^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* AFS File Server client stubs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (C) 2002, 2007 Red Hat, Inc. All Rights Reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Written by David Howells (dhowells@redhat.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/circ_buf.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/iversion.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "internal.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "afs_fs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "xdr_fs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * decode an AFSFid block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static void xdr_decode_AFSFid(const __be32 **_bp, struct afs_fid *fid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) const __be32 *bp = *_bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) fid->vid = ntohl(*bp++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) fid->vnode = ntohl(*bp++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) fid->unique = ntohl(*bp++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) *_bp = bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * Dump a bad file status record.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) static void xdr_dump_bad(const __be32 *bp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) __be32 x[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) pr_notice("AFS XDR: Bad status record\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) for (i = 0; i < 5 * 4 * 4; i += 16) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) memcpy(x, bp, 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) bp += 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) pr_notice("%03x: %08x %08x %08x %08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) i, ntohl(x[0]), ntohl(x[1]), ntohl(x[2]), ntohl(x[3]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) memcpy(x, bp, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) pr_notice("0x50: %08x\n", ntohl(x[0]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) * decode an AFSFetchStatus block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static void xdr_decode_AFSFetchStatus(const __be32 **_bp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) struct afs_call *call,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) struct afs_status_cb *scb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) const struct afs_xdr_AFSFetchStatus *xdr = (const void *)*_bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) struct afs_file_status *status = &scb->status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) bool inline_error = (call->operation_ID == afs_FS_InlineBulkStatus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) u64 data_version, size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) u32 type, abort_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) abort_code = ntohl(xdr->abort_code);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) if (xdr->if_version != htonl(AFS_FSTATUS_VERSION)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) if (xdr->if_version == htonl(0) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) abort_code != 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) inline_error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) /* The OpenAFS fileserver has a bug in FS.InlineBulkStatus
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) * whereby it doesn't set the interface version in the error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) * case.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) status->abort_code = abort_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) scb->have_error = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) goto advance;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) pr_warn("Unknown AFSFetchStatus version %u\n", ntohl(xdr->if_version));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) goto bad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) if (abort_code != 0 && inline_error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) status->abort_code = abort_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) scb->have_error = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) goto advance;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) type = ntohl(xdr->type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) switch (type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) case AFS_FTYPE_FILE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) case AFS_FTYPE_DIR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) case AFS_FTYPE_SYMLINK:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) status->type = type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) goto bad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) status->nlink = ntohl(xdr->nlink);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) status->author = ntohl(xdr->author);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) status->owner = ntohl(xdr->owner);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) status->caller_access = ntohl(xdr->caller_access); /* Ticket dependent */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) status->anon_access = ntohl(xdr->anon_access);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) status->mode = ntohl(xdr->mode) & S_IALLUGO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) status->group = ntohl(xdr->group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) status->lock_count = ntohl(xdr->lock_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) status->mtime_client.tv_sec = ntohl(xdr->mtime_client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) status->mtime_client.tv_nsec = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) status->mtime_server.tv_sec = ntohl(xdr->mtime_server);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) status->mtime_server.tv_nsec = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) size = (u64)ntohl(xdr->size_lo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) size |= (u64)ntohl(xdr->size_hi) << 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) status->size = size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) data_version = (u64)ntohl(xdr->data_version_lo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) data_version |= (u64)ntohl(xdr->data_version_hi) << 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) status->data_version = data_version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) scb->have_status = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) advance:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) *_bp = (const void *)*_bp + sizeof(*xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) bad:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) xdr_dump_bad(*_bp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) afs_protocol_error(call, afs_eproto_bad_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) goto advance;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) static time64_t xdr_decode_expiry(struct afs_call *call, u32 expiry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) return ktime_divns(call->reply_time, NSEC_PER_SEC) + expiry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) static void xdr_decode_AFSCallBack(const __be32 **_bp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) struct afs_call *call,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) struct afs_status_cb *scb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) struct afs_callback *cb = &scb->callback;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) const __be32 *bp = *_bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) bp++; /* version */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) cb->expires_at = xdr_decode_expiry(call, ntohl(*bp++));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) bp++; /* type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) scb->have_cb = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) *_bp = bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) * decode an AFSVolSync block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) static void xdr_decode_AFSVolSync(const __be32 **_bp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) struct afs_volsync *volsync)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) const __be32 *bp = *_bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) u32 creation;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) creation = ntohl(*bp++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) bp++; /* spare2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) bp++; /* spare3 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) bp++; /* spare4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) bp++; /* spare5 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) bp++; /* spare6 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) *_bp = bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) if (volsync)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) volsync->creation = creation;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) * encode the requested attributes into an AFSStoreStatus block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) static void xdr_encode_AFS_StoreStatus(__be32 **_bp, struct iattr *attr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) __be32 *bp = *_bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) u32 mask = 0, mtime = 0, owner = 0, group = 0, mode = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) mask = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) if (attr->ia_valid & ATTR_MTIME) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) mask |= AFS_SET_MTIME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) mtime = attr->ia_mtime.tv_sec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) if (attr->ia_valid & ATTR_UID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) mask |= AFS_SET_OWNER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) owner = from_kuid(&init_user_ns, attr->ia_uid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) if (attr->ia_valid & ATTR_GID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) mask |= AFS_SET_GROUP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) group = from_kgid(&init_user_ns, attr->ia_gid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) if (attr->ia_valid & ATTR_MODE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) mask |= AFS_SET_MODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) mode = attr->ia_mode & S_IALLUGO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) *bp++ = htonl(mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) *bp++ = htonl(mtime);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) *bp++ = htonl(owner);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) *bp++ = htonl(group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) *bp++ = htonl(mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) *bp++ = 0; /* segment size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) *_bp = bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) * decode an AFSFetchVolumeStatus block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) static void xdr_decode_AFSFetchVolumeStatus(const __be32 **_bp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) struct afs_volume_status *vs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) const __be32 *bp = *_bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) vs->vid = ntohl(*bp++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) vs->parent_id = ntohl(*bp++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) vs->online = ntohl(*bp++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) vs->in_service = ntohl(*bp++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) vs->blessed = ntohl(*bp++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) vs->needs_salvage = ntohl(*bp++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) vs->type = ntohl(*bp++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) vs->min_quota = ntohl(*bp++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) vs->max_quota = ntohl(*bp++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) vs->blocks_in_use = ntohl(*bp++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) vs->part_blocks_avail = ntohl(*bp++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) vs->part_max_blocks = ntohl(*bp++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) vs->vol_copy_date = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) vs->vol_backup_date = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) *_bp = bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) * deliver reply data to an FS.FetchStatus
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) static int afs_deliver_fs_fetch_status(struct afs_call *call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) struct afs_operation *op = call->op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) struct afs_vnode_param *vp = &op->file[op->fetch_status.which];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) const __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) ret = afs_transfer_reply(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) /* unmarshall the reply once we've received all of it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) bp = call->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) xdr_decode_AFSFetchStatus(&bp, call, &vp->scb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) xdr_decode_AFSCallBack(&bp, call, &vp->scb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) xdr_decode_AFSVolSync(&bp, &op->volsync);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) _leave(" = 0 [done]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) * FS.FetchStatus operation type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) static const struct afs_call_type afs_RXFSFetchStatus = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) .name = "FS.FetchStatus",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) .op = afs_FS_FetchStatus,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) .deliver = afs_deliver_fs_fetch_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) * fetch the status information for a file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) void afs_fs_fetch_status(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) struct afs_vnode_param *vp = &op->file[op->fetch_status.which];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) _enter(",%x,{%llx:%llu},,",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) key_serial(op->key), vp->fid.vid, vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) call = afs_alloc_flat_call(op->net, &afs_RXFSFetchStatus,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 16, (21 + 3 + 6) * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) bp[0] = htonl(FSFETCHSTATUS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) bp[1] = htonl(vp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) bp[2] = htonl(vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) bp[3] = htonl(vp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) trace_afs_make_fs_call(call, &vp->fid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) * deliver reply data to an FS.FetchData
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) static int afs_deliver_fs_fetch_data(struct afs_call *call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) struct afs_operation *op = call->op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) struct afs_vnode_param *vp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) struct afs_read *req = op->fetch.req;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) const __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) unsigned int size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) _enter("{%u,%zu/%llu}",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) call->unmarshall, iov_iter_count(call->iter), req->actual_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) switch (call->unmarshall) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) req->actual_len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) req->index = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) req->offset = req->pos & (PAGE_SIZE - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) if (call->operation_ID == FSFETCHDATA64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) afs_extract_to_tmp64(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) call->tmp_u = htonl(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) afs_extract_to_tmp(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) /* extract the returned data length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) _debug("extract data length");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) ret = afs_extract_data(call, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) req->actual_len = be64_to_cpu(call->tmp64);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) _debug("DATA length: %llu", req->actual_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) req->remain = min(req->len, req->actual_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) if (req->remain == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) goto no_more_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) begin_page:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) ASSERTCMP(req->index, <, req->nr_pages);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) if (req->remain > PAGE_SIZE - req->offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) size = PAGE_SIZE - req->offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) size = req->remain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) call->bvec[0].bv_len = size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) call->bvec[0].bv_offset = req->offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) call->bvec[0].bv_page = req->pages[req->index];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) iov_iter_bvec(&call->def_iter, READ, call->bvec, 1, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) ASSERTCMP(size, <=, PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) /* extract the returned data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) _debug("extract data %zu/%llu",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) iov_iter_count(call->iter), req->remain);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) ret = afs_extract_data(call, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) req->remain -= call->bvec[0].bv_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) req->offset += call->bvec[0].bv_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) ASSERTCMP(req->offset, <=, PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) if (req->offset == PAGE_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) req->offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) req->index++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) if (req->remain > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) goto begin_page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) ASSERTCMP(req->remain, ==, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) if (req->actual_len <= req->len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) goto no_more_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) /* Discard any excess data the server gave us */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) afs_extract_discard(call, req->actual_len - req->len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) call->unmarshall = 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) case 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) _debug("extract discard %zu/%llu",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) iov_iter_count(call->iter), req->actual_len - req->len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) ret = afs_extract_data(call, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) no_more_data:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) call->unmarshall = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) afs_extract_to_buf(call, (21 + 3 + 6) * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) /* extract the metadata */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) ret = afs_extract_data(call, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) bp = call->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) xdr_decode_AFSFetchStatus(&bp, call, &vp->scb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) xdr_decode_AFSCallBack(&bp, call, &vp->scb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) xdr_decode_AFSVolSync(&bp, &op->volsync);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) req->data_version = vp->scb.status.data_version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) req->file_size = vp->scb.status.size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) case 5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) for (; req->index < req->nr_pages; req->index++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) if (req->offset < PAGE_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) zero_user_segment(req->pages[req->index],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) req->offset, PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) req->offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) if (req->page_done)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) for (req->index = 0; req->index < req->nr_pages; req->index++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) req->page_done(req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) _leave(" = 0 [done]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) * FS.FetchData operation type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) static const struct afs_call_type afs_RXFSFetchData = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) .name = "FS.FetchData",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) .op = afs_FS_FetchData,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) .deliver = afs_deliver_fs_fetch_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) static const struct afs_call_type afs_RXFSFetchData64 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) .name = "FS.FetchData64",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) .op = afs_FS_FetchData64,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) .deliver = afs_deliver_fs_fetch_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) * fetch data from a very large file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) static void afs_fs_fetch_data64(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) struct afs_vnode_param *vp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) struct afs_read *req = op->fetch.req;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) _enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) call = afs_alloc_flat_call(op->net, &afs_RXFSFetchData64, 32, (21 + 3 + 6) * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) bp[0] = htonl(FSFETCHDATA64);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) bp[1] = htonl(vp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) bp[2] = htonl(vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) bp[3] = htonl(vp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) bp[4] = htonl(upper_32_bits(req->pos));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) bp[5] = htonl(lower_32_bits(req->pos));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) bp[6] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) bp[7] = htonl(lower_32_bits(req->len));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) trace_afs_make_fs_call(call, &vp->fid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) * fetch data from a file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) void afs_fs_fetch_data(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) struct afs_vnode_param *vp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) struct afs_read *req = op->fetch.req;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) if (upper_32_bits(req->pos) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) upper_32_bits(req->len) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) upper_32_bits(req->pos + req->len))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) return afs_fs_fetch_data64(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) _enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) call = afs_alloc_flat_call(op->net, &afs_RXFSFetchData, 24, (21 + 3 + 6) * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) bp[0] = htonl(FSFETCHDATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) bp[1] = htonl(vp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) bp[2] = htonl(vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) bp[3] = htonl(vp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) bp[4] = htonl(lower_32_bits(req->pos));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) bp[5] = htonl(lower_32_bits(req->len));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) trace_afs_make_fs_call(call, &vp->fid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) * deliver reply data to an FS.CreateFile or an FS.MakeDir
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) static int afs_deliver_fs_create_vnode(struct afs_call *call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) struct afs_operation *op = call->op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) struct afs_vnode_param *dvp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) struct afs_vnode_param *vp = &op->file[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) const __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) ret = afs_transfer_reply(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) /* unmarshall the reply once we've received all of it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) bp = call->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) xdr_decode_AFSFid(&bp, &op->file[1].fid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) xdr_decode_AFSFetchStatus(&bp, call, &vp->scb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) xdr_decode_AFSFetchStatus(&bp, call, &dvp->scb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) xdr_decode_AFSCallBack(&bp, call, &vp->scb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) xdr_decode_AFSVolSync(&bp, &op->volsync);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) _leave(" = 0 [done]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) * FS.CreateFile and FS.MakeDir operation type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) static const struct afs_call_type afs_RXFSCreateFile = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) .name = "FS.CreateFile",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) .op = afs_FS_CreateFile,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) .deliver = afs_deliver_fs_create_vnode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) * Create a file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) void afs_fs_create_file(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) const struct qstr *name = &op->dentry->d_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) struct afs_vnode_param *dvp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) size_t namesz, reqsz, padsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) _enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) namesz = name->len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) padsz = (4 - (namesz & 3)) & 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) reqsz = (5 * 4) + namesz + padsz + (6 * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) call = afs_alloc_flat_call(op->net, &afs_RXFSCreateFile,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) reqsz, (3 + 21 + 21 + 3 + 6) * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) *bp++ = htonl(FSCREATEFILE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) *bp++ = htonl(dvp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) *bp++ = htonl(dvp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) *bp++ = htonl(dvp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) *bp++ = htonl(namesz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) memcpy(bp, name->name, namesz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) bp = (void *) bp + namesz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) if (padsz > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) memset(bp, 0, padsz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) bp = (void *) bp + padsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) *bp++ = htonl(AFS_SET_MODE | AFS_SET_MTIME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) *bp++ = htonl(op->mtime.tv_sec); /* mtime */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) *bp++ = 0; /* owner */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) *bp++ = 0; /* group */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) *bp++ = htonl(op->create.mode & S_IALLUGO); /* unix mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) *bp++ = 0; /* segment size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) trace_afs_make_fs_call1(call, &dvp->fid, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) static const struct afs_call_type afs_RXFSMakeDir = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) .name = "FS.MakeDir",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) .op = afs_FS_MakeDir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) .deliver = afs_deliver_fs_create_vnode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) * Create a new directory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) void afs_fs_make_dir(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) const struct qstr *name = &op->dentry->d_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) struct afs_vnode_param *dvp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) size_t namesz, reqsz, padsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) _enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) namesz = name->len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) padsz = (4 - (namesz & 3)) & 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) reqsz = (5 * 4) + namesz + padsz + (6 * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) call = afs_alloc_flat_call(op->net, &afs_RXFSMakeDir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) reqsz, (3 + 21 + 21 + 3 + 6) * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) *bp++ = htonl(FSMAKEDIR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) *bp++ = htonl(dvp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) *bp++ = htonl(dvp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) *bp++ = htonl(dvp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) *bp++ = htonl(namesz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) memcpy(bp, name->name, namesz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) bp = (void *) bp + namesz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) if (padsz > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) memset(bp, 0, padsz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) bp = (void *) bp + padsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) *bp++ = htonl(AFS_SET_MODE | AFS_SET_MTIME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) *bp++ = htonl(op->mtime.tv_sec); /* mtime */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) *bp++ = 0; /* owner */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) *bp++ = 0; /* group */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) *bp++ = htonl(op->create.mode & S_IALLUGO); /* unix mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) *bp++ = 0; /* segment size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) trace_afs_make_fs_call1(call, &dvp->fid, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) * Deliver reply data to any operation that returns status and volume sync.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) static int afs_deliver_fs_file_status_and_vol(struct afs_call *call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) struct afs_operation *op = call->op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) struct afs_vnode_param *vp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) const __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) ret = afs_transfer_reply(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) /* unmarshall the reply once we've received all of it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) bp = call->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) xdr_decode_AFSFetchStatus(&bp, call, &vp->scb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) xdr_decode_AFSVolSync(&bp, &op->volsync);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) _leave(" = 0 [done]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) * FS.RemoveFile operation type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) static const struct afs_call_type afs_RXFSRemoveFile = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) .name = "FS.RemoveFile",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) .op = afs_FS_RemoveFile,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) .deliver = afs_deliver_fs_file_status_and_vol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) * Remove a file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) void afs_fs_remove_file(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) const struct qstr *name = &op->dentry->d_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) struct afs_vnode_param *dvp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) size_t namesz, reqsz, padsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) _enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) namesz = name->len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) padsz = (4 - (namesz & 3)) & 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) reqsz = (5 * 4) + namesz + padsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) call = afs_alloc_flat_call(op->net, &afs_RXFSRemoveFile,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) reqsz, (21 + 6) * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) *bp++ = htonl(FSREMOVEFILE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) *bp++ = htonl(dvp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) *bp++ = htonl(dvp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) *bp++ = htonl(dvp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) *bp++ = htonl(namesz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) memcpy(bp, name->name, namesz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) bp = (void *) bp + namesz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) if (padsz > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) memset(bp, 0, padsz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) bp = (void *) bp + padsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) trace_afs_make_fs_call1(call, &dvp->fid, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) static const struct afs_call_type afs_RXFSRemoveDir = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) .name = "FS.RemoveDir",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) .op = afs_FS_RemoveDir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) .deliver = afs_deliver_fs_file_status_and_vol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) * Remove a directory.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) void afs_fs_remove_dir(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) const struct qstr *name = &op->dentry->d_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) struct afs_vnode_param *dvp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) size_t namesz, reqsz, padsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) _enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) namesz = name->len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) padsz = (4 - (namesz & 3)) & 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) reqsz = (5 * 4) + namesz + padsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) call = afs_alloc_flat_call(op->net, &afs_RXFSRemoveDir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) reqsz, (21 + 6) * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) *bp++ = htonl(FSREMOVEDIR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) *bp++ = htonl(dvp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) *bp++ = htonl(dvp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) *bp++ = htonl(dvp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) *bp++ = htonl(namesz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) memcpy(bp, name->name, namesz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) bp = (void *) bp + namesz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) if (padsz > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) memset(bp, 0, padsz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) bp = (void *) bp + padsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) trace_afs_make_fs_call1(call, &dvp->fid, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) * deliver reply data to an FS.Link
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) static int afs_deliver_fs_link(struct afs_call *call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) struct afs_operation *op = call->op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) struct afs_vnode_param *dvp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) struct afs_vnode_param *vp = &op->file[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) const __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) _enter("{%u}", call->unmarshall);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) ret = afs_transfer_reply(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) /* unmarshall the reply once we've received all of it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) bp = call->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) xdr_decode_AFSFetchStatus(&bp, call, &vp->scb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) xdr_decode_AFSFetchStatus(&bp, call, &dvp->scb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) xdr_decode_AFSVolSync(&bp, &op->volsync);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) _leave(" = 0 [done]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) * FS.Link operation type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) static const struct afs_call_type afs_RXFSLink = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) .name = "FS.Link",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) .op = afs_FS_Link,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) .deliver = afs_deliver_fs_link,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) * make a hard link
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) void afs_fs_link(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) const struct qstr *name = &op->dentry->d_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) struct afs_vnode_param *dvp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) struct afs_vnode_param *vp = &op->file[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) size_t namesz, reqsz, padsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) _enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) namesz = name->len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) padsz = (4 - (namesz & 3)) & 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) reqsz = (5 * 4) + namesz + padsz + (3 * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) call = afs_alloc_flat_call(op->net, &afs_RXFSLink, reqsz, (21 + 21 + 6) * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) *bp++ = htonl(FSLINK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) *bp++ = htonl(dvp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) *bp++ = htonl(dvp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) *bp++ = htonl(dvp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) *bp++ = htonl(namesz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) memcpy(bp, name->name, namesz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) bp = (void *) bp + namesz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) if (padsz > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) memset(bp, 0, padsz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) bp = (void *) bp + padsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) *bp++ = htonl(vp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) *bp++ = htonl(vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) *bp++ = htonl(vp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) trace_afs_make_fs_call1(call, &vp->fid, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) * deliver reply data to an FS.Symlink
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) static int afs_deliver_fs_symlink(struct afs_call *call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) struct afs_operation *op = call->op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) struct afs_vnode_param *dvp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) struct afs_vnode_param *vp = &op->file[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) const __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) _enter("{%u}", call->unmarshall);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) ret = afs_transfer_reply(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) /* unmarshall the reply once we've received all of it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) bp = call->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) xdr_decode_AFSFid(&bp, &vp->fid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) xdr_decode_AFSFetchStatus(&bp, call, &vp->scb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) xdr_decode_AFSFetchStatus(&bp, call, &dvp->scb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) xdr_decode_AFSVolSync(&bp, &op->volsync);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) _leave(" = 0 [done]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) * FS.Symlink operation type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) static const struct afs_call_type afs_RXFSSymlink = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) .name = "FS.Symlink",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) .op = afs_FS_Symlink,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) .deliver = afs_deliver_fs_symlink,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) * create a symbolic link
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) void afs_fs_symlink(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) const struct qstr *name = &op->dentry->d_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) struct afs_vnode_param *dvp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) size_t namesz, reqsz, padsz, c_namesz, c_padsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) _enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) namesz = name->len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) padsz = (4 - (namesz & 3)) & 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) c_namesz = strlen(op->create.symlink);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) c_padsz = (4 - (c_namesz & 3)) & 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) reqsz = (6 * 4) + namesz + padsz + c_namesz + c_padsz + (6 * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) call = afs_alloc_flat_call(op->net, &afs_RXFSSymlink, reqsz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) (3 + 21 + 21 + 6) * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) *bp++ = htonl(FSSYMLINK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) *bp++ = htonl(dvp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) *bp++ = htonl(dvp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) *bp++ = htonl(dvp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) *bp++ = htonl(namesz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) memcpy(bp, name->name, namesz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) bp = (void *) bp + namesz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) if (padsz > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) memset(bp, 0, padsz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) bp = (void *) bp + padsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) *bp++ = htonl(c_namesz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) memcpy(bp, op->create.symlink, c_namesz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) bp = (void *) bp + c_namesz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) if (c_padsz > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) memset(bp, 0, c_padsz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) bp = (void *) bp + c_padsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) *bp++ = htonl(AFS_SET_MODE | AFS_SET_MTIME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) *bp++ = htonl(op->mtime.tv_sec); /* mtime */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) *bp++ = 0; /* owner */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) *bp++ = 0; /* group */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) *bp++ = htonl(S_IRWXUGO); /* unix mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) *bp++ = 0; /* segment size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) trace_afs_make_fs_call1(call, &dvp->fid, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) * deliver reply data to an FS.Rename
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) static int afs_deliver_fs_rename(struct afs_call *call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) struct afs_operation *op = call->op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) struct afs_vnode_param *orig_dvp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) struct afs_vnode_param *new_dvp = &op->file[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) const __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) ret = afs_transfer_reply(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) bp = call->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) /* If the two dirs are the same, we have two copies of the same status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) * report, so we just decode it twice.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) xdr_decode_AFSFetchStatus(&bp, call, &orig_dvp->scb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) xdr_decode_AFSFetchStatus(&bp, call, &new_dvp->scb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) xdr_decode_AFSVolSync(&bp, &op->volsync);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) _leave(" = 0 [done]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) * FS.Rename operation type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) static const struct afs_call_type afs_RXFSRename = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) .name = "FS.Rename",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) .op = afs_FS_Rename,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) .deliver = afs_deliver_fs_rename,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) * Rename/move a file or directory.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) void afs_fs_rename(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) struct afs_vnode_param *orig_dvp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) struct afs_vnode_param *new_dvp = &op->file[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) const struct qstr *orig_name = &op->dentry->d_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) const struct qstr *new_name = &op->dentry_2->d_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) size_t reqsz, o_namesz, o_padsz, n_namesz, n_padsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) _enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) o_namesz = orig_name->len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) o_padsz = (4 - (o_namesz & 3)) & 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) n_namesz = new_name->len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) n_padsz = (4 - (n_namesz & 3)) & 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) reqsz = (4 * 4) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) 4 + o_namesz + o_padsz +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) (3 * 4) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) 4 + n_namesz + n_padsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) call = afs_alloc_flat_call(op->net, &afs_RXFSRename, reqsz, (21 + 21 + 6) * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) *bp++ = htonl(FSRENAME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) *bp++ = htonl(orig_dvp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) *bp++ = htonl(orig_dvp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) *bp++ = htonl(orig_dvp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) *bp++ = htonl(o_namesz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) memcpy(bp, orig_name->name, o_namesz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) bp = (void *) bp + o_namesz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) if (o_padsz > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) memset(bp, 0, o_padsz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) bp = (void *) bp + o_padsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) *bp++ = htonl(new_dvp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) *bp++ = htonl(new_dvp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) *bp++ = htonl(new_dvp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) *bp++ = htonl(n_namesz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) memcpy(bp, new_name->name, n_namesz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) bp = (void *) bp + n_namesz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) if (n_padsz > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) memset(bp, 0, n_padsz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) bp = (void *) bp + n_padsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) trace_afs_make_fs_call2(call, &orig_dvp->fid, orig_name, new_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) * Deliver reply data to FS.StoreData or FS.StoreStatus
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) static int afs_deliver_fs_store_data(struct afs_call *call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) struct afs_operation *op = call->op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) struct afs_vnode_param *vp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) const __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) _enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) ret = afs_transfer_reply(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) /* unmarshall the reply once we've received all of it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) bp = call->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) xdr_decode_AFSFetchStatus(&bp, call, &vp->scb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) xdr_decode_AFSVolSync(&bp, &op->volsync);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) _leave(" = 0 [done]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) * FS.StoreData operation type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) static const struct afs_call_type afs_RXFSStoreData = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) .name = "FS.StoreData",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) .op = afs_FS_StoreData,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) .deliver = afs_deliver_fs_store_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) static const struct afs_call_type afs_RXFSStoreData64 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) .name = "FS.StoreData64",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) .op = afs_FS_StoreData64,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) .deliver = afs_deliver_fs_store_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) * store a set of pages to a very large file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) static void afs_fs_store_data64(struct afs_operation *op,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) loff_t pos, loff_t size, loff_t i_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) struct afs_vnode_param *vp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) _enter(",%x,{%llx:%llu},,",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) key_serial(op->key), vp->fid.vid, vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) call = afs_alloc_flat_call(op->net, &afs_RXFSStoreData64,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) (4 + 6 + 3 * 2) * 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) (21 + 6) * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) call->send_pages = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) *bp++ = htonl(FSSTOREDATA64);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) *bp++ = htonl(vp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) *bp++ = htonl(vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) *bp++ = htonl(vp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) *bp++ = htonl(AFS_SET_MTIME); /* mask */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) *bp++ = htonl(op->mtime.tv_sec); /* mtime */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) *bp++ = 0; /* owner */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) *bp++ = 0; /* group */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) *bp++ = 0; /* unix mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) *bp++ = 0; /* segment size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) *bp++ = htonl(upper_32_bits(pos));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) *bp++ = htonl(lower_32_bits(pos));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) *bp++ = htonl(upper_32_bits(size));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) *bp++ = htonl(lower_32_bits(size));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) *bp++ = htonl(upper_32_bits(i_size));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) *bp++ = htonl(lower_32_bits(i_size));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) trace_afs_make_fs_call(call, &vp->fid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) * store a set of pages
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) void afs_fs_store_data(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) struct afs_vnode_param *vp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) loff_t size, pos, i_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) _enter(",%x,{%llx:%llu},,",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) key_serial(op->key), vp->fid.vid, vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) size = (loff_t)op->store.last_to - (loff_t)op->store.first_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) if (op->store.first != op->store.last)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) size += (loff_t)(op->store.last - op->store.first) << PAGE_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) pos = (loff_t)op->store.first << PAGE_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) pos += op->store.first_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) i_size = i_size_read(&vp->vnode->vfs_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) if (pos + size > i_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) i_size = size + pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) _debug("size %llx, at %llx, i_size %llx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) (unsigned long long) size, (unsigned long long) pos,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) (unsigned long long) i_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) if (upper_32_bits(pos) || upper_32_bits(i_size) || upper_32_bits(size) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) upper_32_bits(pos + size))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) return afs_fs_store_data64(op, pos, size, i_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) call = afs_alloc_flat_call(op->net, &afs_RXFSStoreData,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) (4 + 6 + 3) * 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) (21 + 6) * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) call->send_pages = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) *bp++ = htonl(FSSTOREDATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) *bp++ = htonl(vp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) *bp++ = htonl(vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) *bp++ = htonl(vp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) *bp++ = htonl(AFS_SET_MTIME); /* mask */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) *bp++ = htonl(op->mtime.tv_sec); /* mtime */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) *bp++ = 0; /* owner */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) *bp++ = 0; /* group */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) *bp++ = 0; /* unix mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) *bp++ = 0; /* segment size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) *bp++ = htonl(lower_32_bits(pos));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) *bp++ = htonl(lower_32_bits(size));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) *bp++ = htonl(lower_32_bits(i_size));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) trace_afs_make_fs_call(call, &vp->fid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) * FS.StoreStatus operation type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) static const struct afs_call_type afs_RXFSStoreStatus = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) .name = "FS.StoreStatus",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) .op = afs_FS_StoreStatus,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) .deliver = afs_deliver_fs_store_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) static const struct afs_call_type afs_RXFSStoreData_as_Status = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) .name = "FS.StoreData",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) .op = afs_FS_StoreData,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) .deliver = afs_deliver_fs_store_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) static const struct afs_call_type afs_RXFSStoreData64_as_Status = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) .name = "FS.StoreData64",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) .op = afs_FS_StoreData64,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) .deliver = afs_deliver_fs_store_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) * set the attributes on a very large file, using FS.StoreData rather than
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) * FS.StoreStatus so as to alter the file size also
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) static void afs_fs_setattr_size64(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) struct afs_vnode_param *vp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) struct iattr *attr = op->setattr.attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) _enter(",%x,{%llx:%llu},,",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) key_serial(op->key), vp->fid.vid, vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) ASSERT(attr->ia_valid & ATTR_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) call = afs_alloc_flat_call(op->net, &afs_RXFSStoreData64_as_Status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) (4 + 6 + 3 * 2) * 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) (21 + 6) * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) *bp++ = htonl(FSSTOREDATA64);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) *bp++ = htonl(vp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) *bp++ = htonl(vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) *bp++ = htonl(vp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) xdr_encode_AFS_StoreStatus(&bp, attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) *bp++ = htonl(upper_32_bits(attr->ia_size)); /* position of start of write */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) *bp++ = htonl(lower_32_bits(attr->ia_size));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) *bp++ = 0; /* size of write */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) *bp++ = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) *bp++ = htonl(upper_32_bits(attr->ia_size)); /* new file length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) *bp++ = htonl(lower_32_bits(attr->ia_size));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) trace_afs_make_fs_call(call, &vp->fid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) * set the attributes on a file, using FS.StoreData rather than FS.StoreStatus
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) * so as to alter the file size also
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) static void afs_fs_setattr_size(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) struct afs_vnode_param *vp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) struct iattr *attr = op->setattr.attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) _enter(",%x,{%llx:%llu},,",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) key_serial(op->key), vp->fid.vid, vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) ASSERT(attr->ia_valid & ATTR_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) if (upper_32_bits(attr->ia_size))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) return afs_fs_setattr_size64(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) call = afs_alloc_flat_call(op->net, &afs_RXFSStoreData_as_Status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) (4 + 6 + 3) * 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) (21 + 6) * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) *bp++ = htonl(FSSTOREDATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) *bp++ = htonl(vp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) *bp++ = htonl(vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) *bp++ = htonl(vp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) xdr_encode_AFS_StoreStatus(&bp, attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) *bp++ = htonl(attr->ia_size); /* position of start of write */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) *bp++ = 0; /* size of write */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) *bp++ = htonl(attr->ia_size); /* new file length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) trace_afs_make_fs_call(call, &vp->fid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) * set the attributes on a file, using FS.StoreData if there's a change in file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) * size, and FS.StoreStatus otherwise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) void afs_fs_setattr(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) struct afs_vnode_param *vp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) struct iattr *attr = op->setattr.attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) if (attr->ia_valid & ATTR_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) return afs_fs_setattr_size(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) _enter(",%x,{%llx:%llu},,",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) key_serial(op->key), vp->fid.vid, vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) call = afs_alloc_flat_call(op->net, &afs_RXFSStoreStatus,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) (4 + 6) * 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) (21 + 6) * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) *bp++ = htonl(FSSTORESTATUS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) *bp++ = htonl(vp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) *bp++ = htonl(vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) *bp++ = htonl(vp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) xdr_encode_AFS_StoreStatus(&bp, op->setattr.attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) trace_afs_make_fs_call(call, &vp->fid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) * deliver reply data to an FS.GetVolumeStatus
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) static int afs_deliver_fs_get_volume_status(struct afs_call *call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) struct afs_operation *op = call->op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) const __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) char *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) u32 size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) _enter("{%u}", call->unmarshall);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) switch (call->unmarshall) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) afs_extract_to_buf(call, 12 * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) /* extract the returned status record */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) _debug("extract status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) ret = afs_extract_data(call, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) bp = call->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) xdr_decode_AFSFetchVolumeStatus(&bp, &op->volstatus.vs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) afs_extract_to_tmp(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) /* extract the volume name length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) ret = afs_extract_data(call, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) call->count = ntohl(call->tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) _debug("volname length: %u", call->count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) if (call->count >= AFSNAMEMAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) return afs_protocol_error(call, afs_eproto_volname_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) size = (call->count + 3) & ~3; /* It's padded */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) afs_extract_to_buf(call, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) /* extract the volume name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) case 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) _debug("extract volname");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) ret = afs_extract_data(call, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) p = call->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) p[call->count] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) _debug("volname '%s'", p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) afs_extract_to_tmp(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) /* extract the offline message length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) ret = afs_extract_data(call, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) call->count = ntohl(call->tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) _debug("offline msg length: %u", call->count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) if (call->count >= AFSNAMEMAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) return afs_protocol_error(call, afs_eproto_offline_msg_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) size = (call->count + 3) & ~3; /* It's padded */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) afs_extract_to_buf(call, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) /* extract the offline message */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) case 5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) _debug("extract offline");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) ret = afs_extract_data(call, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) p = call->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) p[call->count] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) _debug("offline '%s'", p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) afs_extract_to_tmp(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) /* extract the message of the day length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) case 6:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) ret = afs_extract_data(call, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) call->count = ntohl(call->tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) _debug("motd length: %u", call->count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) if (call->count >= AFSNAMEMAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) return afs_protocol_error(call, afs_eproto_motd_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) size = (call->count + 3) & ~3; /* It's padded */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) afs_extract_to_buf(call, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) /* extract the message of the day */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) case 7:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) _debug("extract motd");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) ret = afs_extract_data(call, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) p = call->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) p[call->count] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) _debug("motd '%s'", p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) case 8:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) _leave(" = 0 [done]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) * FS.GetVolumeStatus operation type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) static const struct afs_call_type afs_RXFSGetVolumeStatus = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) .name = "FS.GetVolumeStatus",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) .op = afs_FS_GetVolumeStatus,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) .deliver = afs_deliver_fs_get_volume_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) * fetch the status of a volume
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) void afs_fs_get_volume_status(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) struct afs_vnode_param *vp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) _enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) call = afs_alloc_flat_call(op->net, &afs_RXFSGetVolumeStatus, 2 * 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) max(12 * 4, AFSOPAQUEMAX + 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) bp[0] = htonl(FSGETVOLUMESTATUS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) bp[1] = htonl(vp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) trace_afs_make_fs_call(call, &vp->fid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) * deliver reply data to an FS.SetLock, FS.ExtendLock or FS.ReleaseLock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) static int afs_deliver_fs_xxxx_lock(struct afs_call *call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) struct afs_operation *op = call->op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) const __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) _enter("{%u}", call->unmarshall);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) ret = afs_transfer_reply(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) /* unmarshall the reply once we've received all of it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) bp = call->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) xdr_decode_AFSVolSync(&bp, &op->volsync);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) _leave(" = 0 [done]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) * FS.SetLock operation type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) static const struct afs_call_type afs_RXFSSetLock = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) .name = "FS.SetLock",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) .op = afs_FS_SetLock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) .deliver = afs_deliver_fs_xxxx_lock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521) .done = afs_lock_op_done,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) * FS.ExtendLock operation type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) static const struct afs_call_type afs_RXFSExtendLock = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) .name = "FS.ExtendLock",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) .op = afs_FS_ExtendLock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) .deliver = afs_deliver_fs_xxxx_lock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) .done = afs_lock_op_done,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) * FS.ReleaseLock operation type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) static const struct afs_call_type afs_RXFSReleaseLock = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) .name = "FS.ReleaseLock",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) .op = afs_FS_ReleaseLock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) .deliver = afs_deliver_fs_xxxx_lock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) * Set a lock on a file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) void afs_fs_set_lock(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) struct afs_vnode_param *vp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) _enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) call = afs_alloc_flat_call(op->net, &afs_RXFSSetLock, 5 * 4, 6 * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) *bp++ = htonl(FSSETLOCK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) *bp++ = htonl(vp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) *bp++ = htonl(vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) *bp++ = htonl(vp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) *bp++ = htonl(op->lock.type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) trace_afs_make_fs_calli(call, &vp->fid, op->lock.type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) * extend a lock on a file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) void afs_fs_extend_lock(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) struct afs_vnode_param *vp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) _enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) call = afs_alloc_flat_call(op->net, &afs_RXFSExtendLock, 4 * 4, 6 * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) *bp++ = htonl(FSEXTENDLOCK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) *bp++ = htonl(vp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) *bp++ = htonl(vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) *bp++ = htonl(vp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) trace_afs_make_fs_call(call, &vp->fid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) * release a lock on a file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) void afs_fs_release_lock(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) struct afs_vnode_param *vp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) _enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) call = afs_alloc_flat_call(op->net, &afs_RXFSReleaseLock, 4 * 4, 6 * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) *bp++ = htonl(FSRELEASELOCK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) *bp++ = htonl(vp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) *bp++ = htonl(vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) *bp++ = htonl(vp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) trace_afs_make_fs_call(call, &vp->fid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) * Deliver reply data to an FS.GiveUpAllCallBacks operation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) static int afs_deliver_fs_give_up_all_callbacks(struct afs_call *call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) return afs_transfer_reply(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) * FS.GiveUpAllCallBacks operation type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) static const struct afs_call_type afs_RXFSGiveUpAllCallBacks = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) .name = "FS.GiveUpAllCallBacks",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) .op = afs_FS_GiveUpAllCallBacks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) .deliver = afs_deliver_fs_give_up_all_callbacks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) * Flush all the callbacks we have on a server.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) int afs_fs_give_up_all_callbacks(struct afs_net *net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) struct afs_server *server,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) struct afs_addr_cursor *ac,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) struct key *key)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654) _enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656) call = afs_alloc_flat_call(net, &afs_RXFSGiveUpAllCallBacks, 1 * 4, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) call->key = key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) *bp++ = htonl(FSGIVEUPALLCALLBACKS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666) call->server = afs_use_server(server, afs_server_trace_give_up_cb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) afs_make_call(ac, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) return afs_wait_for_call_to_complete(call, ac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672) * Deliver reply data to an FS.GetCapabilities operation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) static int afs_deliver_fs_get_capabilities(struct afs_call *call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) u32 count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) _enter("{%u,%zu}", call->unmarshall, iov_iter_count(call->iter));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) switch (call->unmarshall) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) afs_extract_to_tmp(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) /* Extract the capabilities word count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) ret = afs_extract_data(call, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) count = ntohl(call->tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) call->count = count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) call->count2 = count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) afs_extract_discard(call, count * sizeof(__be32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) /* Extract capabilities words */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) ret = afs_extract_data(call, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) /* TODO: Examine capabilities */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) _leave(" = 0 [done]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) * FS.GetCapabilities operation type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) static const struct afs_call_type afs_RXFSGetCapabilities = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721) .name = "FS.GetCapabilities",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722) .op = afs_FS_GetCapabilities,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) .deliver = afs_deliver_fs_get_capabilities,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) .done = afs_fileserver_probe_result,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) * Probe a fileserver for the capabilities that it supports. This RPC can
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) * reply with up to 196 words. The operation is asynchronous and if we managed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) * to allocate a call, true is returned the result is delivered through the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) * ->done() - otherwise we return false to indicate we didn't even try.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) bool afs_fs_get_capabilities(struct afs_net *net, struct afs_server *server,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) struct afs_addr_cursor *ac, struct key *key)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) _enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) call = afs_alloc_flat_call(net, &afs_RXFSGetCapabilities, 1 * 4, 16 * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) call->key = key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) call->server = afs_use_server(server, afs_server_trace_get_caps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) call->upgrade = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) call->async = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) call->max_lifespan = AFS_PROBE_MAX_LIFESPAN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) *bp++ = htonl(FSGETCAPABILITIES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) trace_afs_make_fs_call(call, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757) afs_make_call(ac, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) afs_put_call(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) * Deliver reply data to an FS.InlineBulkStatus call
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) static int afs_deliver_fs_inline_bulk_status(struct afs_call *call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) struct afs_operation *op = call->op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) struct afs_status_cb *scb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769) const __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) u32 tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) _enter("{%u}", call->unmarshall);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) switch (call->unmarshall) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) afs_extract_to_tmp(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) /* Extract the file status count and array in two steps */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) _debug("extract status count");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) ret = afs_extract_data(call, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) tmp = ntohl(call->tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) _debug("status count: %u/%u", tmp, op->nr_files);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) if (tmp != op->nr_files)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791) return afs_protocol_error(call, afs_eproto_ibulkst_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793) call->count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795) more_counts:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796) afs_extract_to_buf(call, 21 * sizeof(__be32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799) case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800) _debug("extract status array %u", call->count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) ret = afs_extract_data(call, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805) switch (call->count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) scb = &op->file[0].scb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) scb = &op->file[1].scb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813) scb = &op->more_files[call->count - 2].scb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) bp = call->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) xdr_decode_AFSFetchStatus(&bp, call, scb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820) call->count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821) if (call->count < op->nr_files)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) goto more_counts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824) call->count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) afs_extract_to_tmp(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) /* Extract the callback count and array in two steps */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) case 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) _debug("extract CB count");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832) ret = afs_extract_data(call, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836) tmp = ntohl(call->tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) _debug("CB count: %u", tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838) if (tmp != op->nr_files)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839) return afs_protocol_error(call, afs_eproto_ibulkst_cb_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) call->count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842) more_cbs:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843) afs_extract_to_buf(call, 3 * sizeof(__be32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) _debug("extract CB array");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) ret = afs_extract_data(call, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852) _debug("unmarshall CB array");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853) switch (call->count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855) scb = &op->file[0].scb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) scb = &op->file[1].scb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) scb = &op->more_files[call->count - 2].scb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) bp = call->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) xdr_decode_AFSCallBack(&bp, call, scb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) call->count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) if (call->count < op->nr_files)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869) goto more_cbs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) afs_extract_to_buf(call, 6 * sizeof(__be32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875) case 5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) ret = afs_extract_data(call, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) bp = call->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) xdr_decode_AFSVolSync(&bp, &op->volsync);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) case 6:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889) _leave(" = 0 [done]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) static void afs_done_fs_inline_bulk_status(struct afs_call *call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895) if (call->error == -ECONNABORTED &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896) call->abort_code == RX_INVALID_OPERATION) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897) set_bit(AFS_SERVER_FL_NO_IBULK, &call->server->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898) if (call->op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899) set_bit(AFS_VOLUME_MAYBE_NO_IBULK, &call->op->volume->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1903) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1904) * FS.InlineBulkStatus operation type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1905) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1906) static const struct afs_call_type afs_RXFSInlineBulkStatus = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1907) .name = "FS.InlineBulkStatus",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1908) .op = afs_FS_InlineBulkStatus,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1909) .deliver = afs_deliver_fs_inline_bulk_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1910) .done = afs_done_fs_inline_bulk_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1911) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1912) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1913)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1914) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1915) * Fetch the status information for up to 50 files
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1916) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1917) void afs_fs_inline_bulk_status(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1918) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1919) struct afs_vnode_param *dvp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1920) struct afs_vnode_param *vp = &op->file[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1921) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1922) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1923) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1924)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1925) if (test_bit(AFS_SERVER_FL_NO_IBULK, &op->server->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1926) op->error = -ENOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1927) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1928) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1929)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1930) _enter(",%x,{%llx:%llu},%u",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1931) key_serial(op->key), vp->fid.vid, vp->fid.vnode, op->nr_files);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1932)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1933) call = afs_alloc_flat_call(op->net, &afs_RXFSInlineBulkStatus,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1934) (2 + op->nr_files * 3) * 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1935) 21 * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1936) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1937) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1938)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1939) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1940) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1941) *bp++ = htonl(FSINLINEBULKSTATUS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1942) *bp++ = htonl(op->nr_files);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1943) *bp++ = htonl(dvp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1944) *bp++ = htonl(dvp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1945) *bp++ = htonl(dvp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1946) *bp++ = htonl(vp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1947) *bp++ = htonl(vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1948) *bp++ = htonl(vp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1949) for (i = 0; i < op->nr_files - 2; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1950) *bp++ = htonl(op->more_files[i].fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1951) *bp++ = htonl(op->more_files[i].fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1952) *bp++ = htonl(op->more_files[i].fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1953) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1954)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1955) trace_afs_make_fs_call(call, &vp->fid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1956) afs_make_op_call(op, call, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1957) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1958)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1959) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1960) * deliver reply data to an FS.FetchACL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1961) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1962) static int afs_deliver_fs_fetch_acl(struct afs_call *call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1963) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1964) struct afs_operation *op = call->op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1965) struct afs_vnode_param *vp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1966) struct afs_acl *acl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1967) const __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1968) unsigned int size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1969) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1970)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1971) _enter("{%u}", call->unmarshall);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1972)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1973) switch (call->unmarshall) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1974) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1975) afs_extract_to_tmp(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1976) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1977) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1978)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1979) /* extract the returned data length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1980) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1981) ret = afs_extract_data(call, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1982) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1983) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1984)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1985) size = call->count2 = ntohl(call->tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1986) size = round_up(size, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1987)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1988) acl = kmalloc(struct_size(acl, data, size), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1989) if (!acl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1990) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1991) op->acl = acl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1992) acl->size = call->count2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1993) afs_extract_begin(call, acl->data, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1994) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1995) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1996)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1997) /* extract the returned data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1998) case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1999) ret = afs_extract_data(call, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2000) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2001) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2002)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2003) afs_extract_to_buf(call, (21 + 6) * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2004) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2005) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2006)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2007) /* extract the metadata */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2008) case 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2009) ret = afs_extract_data(call, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2010) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2011) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2012)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2013) bp = call->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2014) xdr_decode_AFSFetchStatus(&bp, call, &vp->scb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2015) xdr_decode_AFSVolSync(&bp, &op->volsync);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2016)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2017) call->unmarshall++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2018)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2019) case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2020) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2021) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2022)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2023) _leave(" = 0 [done]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2024) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2025) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2026)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2027) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2028) * FS.FetchACL operation type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2029) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2030) static const struct afs_call_type afs_RXFSFetchACL = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2031) .name = "FS.FetchACL",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2032) .op = afs_FS_FetchACL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2033) .deliver = afs_deliver_fs_fetch_acl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2034) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2035)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2036) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2037) * Fetch the ACL for a file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2038) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2039) void afs_fs_fetch_acl(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2040) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2041) struct afs_vnode_param *vp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2042) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2043) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2044)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2045) _enter(",%x,{%llx:%llu},,",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2046) key_serial(op->key), vp->fid.vid, vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2047)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2048) call = afs_alloc_flat_call(op->net, &afs_RXFSFetchACL, 16, (21 + 6) * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2049) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2050) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2051)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2052) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2053) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2054) bp[0] = htonl(FSFETCHACL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2055) bp[1] = htonl(vp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2056) bp[2] = htonl(vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2057) bp[3] = htonl(vp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2058)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2059) trace_afs_make_fs_call(call, &vp->fid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2060) afs_make_op_call(op, call, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2061) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2062)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2063) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2064) * FS.StoreACL operation type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2065) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2066) static const struct afs_call_type afs_RXFSStoreACL = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2067) .name = "FS.StoreACL",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2068) .op = afs_FS_StoreACL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2069) .deliver = afs_deliver_fs_file_status_and_vol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2070) .destructor = afs_flat_call_destructor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2071) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2072)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2073) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2074) * Fetch the ACL for a file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2075) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2076) void afs_fs_store_acl(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2077) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2078) struct afs_vnode_param *vp = &op->file[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2079) struct afs_call *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2080) const struct afs_acl *acl = op->acl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2081) size_t size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2082) __be32 *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2083)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2084) _enter(",%x,{%llx:%llu},,",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2085) key_serial(op->key), vp->fid.vid, vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2086)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2087) size = round_up(acl->size, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2088) call = afs_alloc_flat_call(op->net, &afs_RXFSStoreACL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2089) 5 * 4 + size, (21 + 6) * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2090) if (!call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2091) return afs_op_nomem(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2092)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2093) /* marshall the parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2094) bp = call->request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2095) bp[0] = htonl(FSSTOREACL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2096) bp[1] = htonl(vp->fid.vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2097) bp[2] = htonl(vp->fid.vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2098) bp[3] = htonl(vp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2099) bp[4] = htonl(acl->size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2100) memcpy(&bp[5], acl->data, acl->size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2101) if (acl->size != size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2102) memset((void *)&bp[5] + acl->size, 0, size - acl->size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2104) trace_afs_make_fs_call(call, &vp->fid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2105) afs_make_op_call(op, call, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2106) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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