^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * linux/fs/nfs/nfs3proc.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Client-side NFSv3 procedures stubs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (C) 1997, Olaf Kirch
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/sunrpc/clnt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/nfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/nfs3.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/nfs_fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/nfs_page.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/lockd/bind.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/nfs_mount.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/freezer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/xattr.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include "iostat.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include "internal.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include "nfs3_fs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define NFSDBG_FACILITY NFSDBG_PROC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) /* A wrapper to handle the EJUKEBOX error messages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) int res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) res = rpc_call_sync(clnt, msg, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) if (res != -EJUKEBOX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) freezable_schedule_timeout_killable_unsafe(NFS_JUKEBOX_RETRY_TIME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) res = -ERESTARTSYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) } while (!fatal_signal_pending(current));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) return res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define rpc_call_sync(clnt, msg, flags) nfs3_rpc_wrapper(clnt, msg, flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) if (task->tk_status != -EJUKEBOX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) if (task->tk_status == -EJUKEBOX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) nfs_inc_stats(inode, NFSIOS_DELAY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) task->tk_status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) rpc_restart_call(task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) rpc_delay(task, NFS_JUKEBOX_RETRY_TIME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) struct nfs_fsinfo *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) struct rpc_message msg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) .rpc_argp = fhandle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) .rpc_resp = info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) dprintk("%s: call fsinfo\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) nfs_fattr_init(info->fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) status = rpc_call_sync(client, &msg, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) dprintk("%s: reply fsinfo: %d\n", __func__, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) if (status == 0 && !(info->fattr->valid & NFS_ATTR_FATTR)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) msg.rpc_resp = info->fattr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) status = rpc_call_sync(client, &msg, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) dprintk("%s: reply getattr: %d\n", __func__, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) * Bare-bones access to getattr: this is for nfs_get_root/nfs_get_sb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct nfs_fsinfo *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) status = do_proc_get_root(server->client, fhandle, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) if (status && server->nfs_client->cl_rpcclient != server->client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) status = do_proc_get_root(server->nfs_client->cl_rpcclient, fhandle, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) return status;
^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) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) * One function for each procedure in the NFS protocol.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) struct nfs_fattr *fattr, struct nfs4_label *label,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) struct rpc_message msg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) .rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) .rpc_argp = fhandle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) .rpc_resp = fattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) unsigned short task_flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) /* Is this is an attribute revalidation, subject to softreval? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) if (inode && (server->flags & NFS_MOUNT_SOFTREVAL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) task_flags |= RPC_TASK_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) dprintk("NFS call getattr\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) nfs_fattr_init(fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) status = rpc_call_sync(server->client, &msg, task_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) dprintk("NFS reply getattr: %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) struct iattr *sattr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) struct inode *inode = d_inode(dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) struct nfs3_sattrargs arg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) .fh = NFS_FH(inode),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) .sattr = sattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) struct rpc_message msg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) .rpc_proc = &nfs3_procedures[NFS3PROC_SETATTR],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) .rpc_argp = &arg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) .rpc_resp = fattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) dprintk("NFS call setattr\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) if (sattr->ia_valid & ATTR_FILE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) msg.rpc_cred = nfs_file_cred(sattr->ia_file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) nfs_fattr_init(fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) if (status == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) nfs_setattr_update_inode(inode, sattr, fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) if (NFS_I(inode)->cache_validity & NFS_INO_INVALID_ACL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) nfs_zap_acl_cache(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) dprintk("NFS reply setattr: %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) nfs3_proc_lookup(struct inode *dir, struct dentry *dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) struct nfs_fh *fhandle, struct nfs_fattr *fattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) struct nfs4_label *label)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) struct nfs3_diropargs arg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) .fh = NFS_FH(dir),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) .name = dentry->d_name.name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) .len = dentry->d_name.len
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) struct nfs3_diropres res = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) .fh = fhandle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) .fattr = fattr
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) struct rpc_message msg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) .rpc_proc = &nfs3_procedures[NFS3PROC_LOOKUP],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) .rpc_argp = &arg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) .rpc_resp = &res,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) unsigned short task_flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) /* Is this is an attribute revalidation, subject to softreval? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) if (nfs_lookup_is_soft_revalidate(dentry))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) task_flags |= RPC_TASK_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) res.dir_attr = nfs_alloc_fattr();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) if (res.dir_attr == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) dprintk("NFS call lookup %pd2\n", dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) nfs_fattr_init(fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) status = rpc_call_sync(NFS_CLIENT(dir), &msg, task_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) nfs_refresh_inode(dir, res.dir_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) msg.rpc_argp = fhandle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) msg.rpc_resp = fattr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) status = rpc_call_sync(NFS_CLIENT(dir), &msg, task_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) nfs_free_fattr(res.dir_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) dprintk("NFS reply lookup: %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) struct nfs3_accessargs arg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) .fh = NFS_FH(inode),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) .access = entry->mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) struct nfs3_accessres res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) struct rpc_message msg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) .rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) .rpc_argp = &arg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) .rpc_resp = &res,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) .rpc_cred = entry->cred,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) int status = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) dprintk("NFS call access\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) res.fattr = nfs_alloc_fattr();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) if (res.fattr == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) nfs_refresh_inode(inode, res.fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) if (status == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) nfs_access_set_mask(entry, res.access);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) nfs_free_fattr(res.fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) dprintk("NFS reply access: %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) static int nfs3_proc_readlink(struct inode *inode, struct page *page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) unsigned int pgbase, unsigned int pglen)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) struct nfs_fattr *fattr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) struct nfs3_readlinkargs args = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) .fh = NFS_FH(inode),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) .pgbase = pgbase,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) .pglen = pglen,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) .pages = &page
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) struct rpc_message msg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) .rpc_proc = &nfs3_procedures[NFS3PROC_READLINK],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) .rpc_argp = &args,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) int status = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) dprintk("NFS call readlink\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) fattr = nfs_alloc_fattr();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) if (fattr == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) msg.rpc_resp = fattr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) nfs_refresh_inode(inode, fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) nfs_free_fattr(fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) dprintk("NFS reply readlink: %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) struct nfs3_createdata {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) struct rpc_message msg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) struct nfs3_createargs create;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) struct nfs3_mkdirargs mkdir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) struct nfs3_symlinkargs symlink;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) struct nfs3_mknodargs mknod;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) } arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) struct nfs3_diropres res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) struct nfs_fh fh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) struct nfs_fattr fattr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) struct nfs_fattr dir_attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) static struct nfs3_createdata *nfs3_alloc_createdata(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) struct nfs3_createdata *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) data = kzalloc(sizeof(*data), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) if (data != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) data->msg.rpc_argp = &data->arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) data->msg.rpc_resp = &data->res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) data->res.fh = &data->fh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) data->res.fattr = &data->fattr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) data->res.dir_attr = &data->dir_attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) nfs_fattr_init(data->res.fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) nfs_fattr_init(data->res.dir_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) return data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) static struct dentry *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) nfs3_do_create(struct inode *dir, struct dentry *dentry, struct nfs3_createdata *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) status = rpc_call_sync(NFS_CLIENT(dir), &data->msg, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) nfs_post_op_update_inode(dir, data->res.dir_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) if (status != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) return ERR_PTR(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) return nfs_add_or_obtain(dentry, data->res.fh, data->res.fattr, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) static void nfs3_free_createdata(struct nfs3_createdata *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) kfree(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) * Create a regular file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) int flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) struct posix_acl *default_acl, *acl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) struct nfs3_createdata *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) struct dentry *d_alias;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) int status = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) dprintk("NFS call create %pd\n", dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) data = nfs3_alloc_createdata();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) if (data == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_CREATE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) data->arg.create.fh = NFS_FH(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) data->arg.create.name = dentry->d_name.name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) data->arg.create.len = dentry->d_name.len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) data->arg.create.sattr = sattr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) data->arg.create.createmode = NFS3_CREATE_UNCHECKED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) if (flags & O_EXCL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) data->arg.create.createmode = NFS3_CREATE_EXCLUSIVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) data->arg.create.verifier[0] = cpu_to_be32(jiffies);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) data->arg.create.verifier[1] = cpu_to_be32(current->pid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) for (;;) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) d_alias = nfs3_do_create(dir, dentry, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) status = PTR_ERR_OR_ZERO(d_alias);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) if (status != -ENOTSUPP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) /* If the server doesn't support the exclusive creation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) * semantics, try again with simple 'guarded' mode. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) switch (data->arg.create.createmode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) case NFS3_CREATE_EXCLUSIVE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) data->arg.create.createmode = NFS3_CREATE_GUARDED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) case NFS3_CREATE_GUARDED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) data->arg.create.createmode = NFS3_CREATE_UNCHECKED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) case NFS3_CREATE_UNCHECKED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) goto out_release_acls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) nfs_fattr_init(data->res.dir_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) nfs_fattr_init(data->res.fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) if (status != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) goto out_release_acls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) if (d_alias)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) dentry = d_alias;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) /* When we created the file with exclusive semantics, make
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) * sure we set the attributes afterwards. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) if (data->arg.create.createmode == NFS3_CREATE_EXCLUSIVE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) dprintk("NFS call setattr (post-create)\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) if (!(sattr->ia_valid & ATTR_ATIME_SET))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) sattr->ia_valid |= ATTR_ATIME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) if (!(sattr->ia_valid & ATTR_MTIME_SET))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) sattr->ia_valid |= ATTR_MTIME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) /* Note: we could use a guarded setattr here, but I'm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) * not sure this buys us anything (and I'd have
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) * to revamp the NFSv3 XDR code) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) status = nfs3_proc_setattr(dentry, data->res.fattr, sattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) nfs_post_op_update_inode(d_inode(dentry), data->res.fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) dprintk("NFS reply setattr (post-create): %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) if (status != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) goto out_dput;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) status = nfs3_proc_setacls(d_inode(dentry), acl, default_acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) out_dput:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) dput(d_alias);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) out_release_acls:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) posix_acl_release(acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) posix_acl_release(default_acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) nfs3_free_createdata(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) dprintk("NFS reply create: %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) nfs3_proc_remove(struct inode *dir, struct dentry *dentry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) struct nfs_removeargs arg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) .fh = NFS_FH(dir),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) .name = dentry->d_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) struct nfs_removeres res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) struct rpc_message msg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) .rpc_argp = &arg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) .rpc_resp = &res,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) int status = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) dprintk("NFS call remove %pd2\n", dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) res.dir_attr = nfs_alloc_fattr();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) if (res.dir_attr == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) nfs_post_op_update_inode(dir, res.dir_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) nfs_free_fattr(res.dir_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) dprintk("NFS reply remove: %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) nfs3_proc_unlink_setup(struct rpc_message *msg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) struct dentry *dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) static void nfs3_proc_unlink_rpc_prepare(struct rpc_task *task, struct nfs_unlinkdata *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) rpc_call_start(task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) struct nfs_removeres *res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) if (nfs3_async_handle_jukebox(task, dir))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) res = task->tk_msg.rpc_resp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) nfs_post_op_update_inode(dir, res->dir_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) nfs3_proc_rename_setup(struct rpc_message *msg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) struct dentry *old_dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) struct dentry *new_dentry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) msg->rpc_proc = &nfs3_procedures[NFS3PROC_RENAME];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) static void nfs3_proc_rename_rpc_prepare(struct rpc_task *task, struct nfs_renamedata *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) rpc_call_start(task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) nfs3_proc_rename_done(struct rpc_task *task, struct inode *old_dir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) struct inode *new_dir)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) struct nfs_renameres *res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) if (nfs3_async_handle_jukebox(task, old_dir))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) res = task->tk_msg.rpc_resp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) nfs_post_op_update_inode(old_dir, res->old_fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) nfs_post_op_update_inode(new_dir, res->new_fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) nfs3_proc_link(struct inode *inode, struct inode *dir, const struct qstr *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) struct nfs3_linkargs arg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) .fromfh = NFS_FH(inode),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) .tofh = NFS_FH(dir),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) .toname = name->name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) .tolen = name->len
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) struct nfs3_linkres res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) struct rpc_message msg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) .rpc_proc = &nfs3_procedures[NFS3PROC_LINK],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) .rpc_argp = &arg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) .rpc_resp = &res,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) int status = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) dprintk("NFS call link %s\n", name->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) res.fattr = nfs_alloc_fattr();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) res.dir_attr = nfs_alloc_fattr();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) if (res.fattr == NULL || res.dir_attr == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) nfs_post_op_update_inode(dir, res.dir_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) nfs_post_op_update_inode(inode, res.fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) nfs_free_fattr(res.dir_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) nfs_free_fattr(res.fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) dprintk("NFS reply link: %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) unsigned int len, struct iattr *sattr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) struct nfs3_createdata *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) struct dentry *d_alias;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) int status = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) if (len > NFS3_MAXPATHLEN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) return -ENAMETOOLONG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) dprintk("NFS call symlink %pd\n", dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) data = nfs3_alloc_createdata();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) if (data == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) data->arg.symlink.fromfh = NFS_FH(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) data->arg.symlink.fromname = dentry->d_name.name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) data->arg.symlink.fromlen = dentry->d_name.len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) data->arg.symlink.pages = &page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) data->arg.symlink.pathlen = len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) data->arg.symlink.sattr = sattr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) d_alias = nfs3_do_create(dir, dentry, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) status = PTR_ERR_OR_ZERO(d_alias);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) if (status == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) dput(d_alias);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) nfs3_free_createdata(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) dprintk("NFS reply symlink: %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) struct posix_acl *default_acl, *acl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) struct nfs3_createdata *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) struct dentry *d_alias;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) int status = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) dprintk("NFS call mkdir %pd\n", dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) data = nfs3_alloc_createdata();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) if (data == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) data->arg.mkdir.fh = NFS_FH(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) data->arg.mkdir.name = dentry->d_name.name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) data->arg.mkdir.len = dentry->d_name.len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) data->arg.mkdir.sattr = sattr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) d_alias = nfs3_do_create(dir, dentry, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) status = PTR_ERR_OR_ZERO(d_alias);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) if (status != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) goto out_release_acls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) if (d_alias)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) dentry = d_alias;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) status = nfs3_proc_setacls(d_inode(dentry), acl, default_acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) dput(d_alias);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) out_release_acls:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) posix_acl_release(acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) posix_acl_release(default_acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) nfs3_free_createdata(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) dprintk("NFS reply mkdir: %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) nfs3_proc_rmdir(struct inode *dir, const struct qstr *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) struct nfs_fattr *dir_attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) struct nfs3_diropargs arg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) .fh = NFS_FH(dir),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) .name = name->name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) .len = name->len
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) struct rpc_message msg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) .rpc_argp = &arg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) int status = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) dprintk("NFS call rmdir %s\n", name->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) dir_attr = nfs_alloc_fattr();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) if (dir_attr == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) msg.rpc_resp = dir_attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) nfs_post_op_update_inode(dir, dir_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) nfs_free_fattr(dir_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) dprintk("NFS reply rmdir: %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) * The READDIR implementation is somewhat hackish - we pass the user buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) * to the encode function, which installs it in the receive iovec.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) * The decode function itself doesn't perform any decoding, it just makes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) * sure the reply is syntactically correct.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) * Also note that this implementation handles both plain readdir and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) * readdirplus.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) nfs3_proc_readdir(struct dentry *dentry, const struct cred *cred,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) u64 cookie, struct page **pages, unsigned int count, bool plus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) struct inode *dir = d_inode(dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) __be32 *verf = NFS_I(dir)->cookieverf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) struct nfs3_readdirargs arg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) .fh = NFS_FH(dir),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) .cookie = cookie,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) .verf = {verf[0], verf[1]},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) .plus = plus,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) .count = count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) .pages = pages
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) struct nfs3_readdirres res = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) .verf = verf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) .plus = plus
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) struct rpc_message msg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) .rpc_argp = &arg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) .rpc_resp = &res,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) .rpc_cred = cred,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) int status = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) if (plus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) dprintk("NFS call readdir%s %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) plus? "plus" : "", (unsigned int) cookie);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) res.dir_attr = nfs_alloc_fattr();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) if (res.dir_attr == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) nfs_invalidate_atime(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) nfs_refresh_inode(dir, res.dir_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) nfs_free_fattr(res.dir_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) dprintk("NFS reply readdir%s: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) plus? "plus" : "", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) dev_t rdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) struct posix_acl *default_acl, *acl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) struct nfs3_createdata *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) struct dentry *d_alias;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) int status = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) dprintk("NFS call mknod %pd %u:%u\n", dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) MAJOR(rdev), MINOR(rdev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) data = nfs3_alloc_createdata();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) if (data == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) data->arg.mknod.fh = NFS_FH(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) data->arg.mknod.name = dentry->d_name.name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) data->arg.mknod.len = dentry->d_name.len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) data->arg.mknod.sattr = sattr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) data->arg.mknod.rdev = rdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) switch (sattr->ia_mode & S_IFMT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) case S_IFBLK:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) data->arg.mknod.type = NF3BLK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) case S_IFCHR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) data->arg.mknod.type = NF3CHR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) case S_IFIFO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) data->arg.mknod.type = NF3FIFO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) case S_IFSOCK:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) data->arg.mknod.type = NF3SOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) status = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) goto out_release_acls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) d_alias = nfs3_do_create(dir, dentry, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) status = PTR_ERR_OR_ZERO(d_alias);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) if (status != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) goto out_release_acls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) if (d_alias)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) dentry = d_alias;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) status = nfs3_proc_setacls(d_inode(dentry), acl, default_acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) dput(d_alias);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) out_release_acls:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) posix_acl_release(acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) posix_acl_release(default_acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) nfs3_free_createdata(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) dprintk("NFS reply mknod: %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) struct nfs_fsstat *stat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) struct rpc_message msg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) .rpc_argp = fhandle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) .rpc_resp = stat,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) dprintk("NFS call fsstat\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) nfs_fattr_init(stat->fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) status = rpc_call_sync(server->client, &msg, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) dprintk("NFS reply fsstat: %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) do_proc_fsinfo(struct rpc_clnt *client, struct nfs_fh *fhandle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) struct nfs_fsinfo *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) struct rpc_message msg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) .rpc_argp = fhandle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) .rpc_resp = info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) dprintk("NFS call fsinfo\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) nfs_fattr_init(info->fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) status = rpc_call_sync(client, &msg, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) dprintk("NFS reply fsinfo: %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) * Bare-bones access to fsinfo: this is for nfs_get_root/nfs_get_sb via
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) * nfs_create_server
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) struct nfs_fsinfo *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) status = do_proc_fsinfo(server->client, fhandle, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) if (status && server->nfs_client->cl_rpcclient != server->client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) status = do_proc_fsinfo(server->nfs_client->cl_rpcclient, fhandle, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) struct nfs_pathconf *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) struct rpc_message msg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) .rpc_argp = fhandle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) .rpc_resp = info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) dprintk("NFS call pathconf\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) nfs_fattr_init(info->fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) status = rpc_call_sync(server->client, &msg, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) dprintk("NFS reply pathconf: %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) static int nfs3_read_done(struct rpc_task *task, struct nfs_pgio_header *hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) struct inode *inode = hdr->inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) struct nfs_server *server = NFS_SERVER(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) if (hdr->pgio_done_cb != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) return hdr->pgio_done_cb(task, hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) if (nfs3_async_handle_jukebox(task, inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) if (task->tk_status >= 0 && !server->read_hdrsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) cmpxchg(&server->read_hdrsize, 0, hdr->res.replen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) nfs_invalidate_atime(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) nfs_refresh_inode(inode, &hdr->fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) static void nfs3_proc_read_setup(struct nfs_pgio_header *hdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) struct rpc_message *msg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) msg->rpc_proc = &nfs3_procedures[NFS3PROC_READ];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) hdr->args.replen = NFS_SERVER(hdr->inode)->read_hdrsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) static int nfs3_proc_pgio_rpc_prepare(struct rpc_task *task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) struct nfs_pgio_header *hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) rpc_call_start(task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) static int nfs3_write_done(struct rpc_task *task, struct nfs_pgio_header *hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) struct inode *inode = hdr->inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) if (hdr->pgio_done_cb != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) return hdr->pgio_done_cb(task, hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) if (nfs3_async_handle_jukebox(task, inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) if (task->tk_status >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) nfs_writeback_update_inode(hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) static void nfs3_proc_write_setup(struct nfs_pgio_header *hdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) struct rpc_message *msg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) struct rpc_clnt **clnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) msg->rpc_proc = &nfs3_procedures[NFS3PROC_WRITE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) static void nfs3_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) rpc_call_start(task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) static int nfs3_commit_done(struct rpc_task *task, struct nfs_commit_data *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) if (data->commit_done_cb != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) return data->commit_done_cb(task, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) if (nfs3_async_handle_jukebox(task, data->inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) nfs_refresh_inode(data->inode, data->res.fattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) static void nfs3_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) struct rpc_clnt **clnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) msg->rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) static void nfs3_nlm_alloc_call(void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) struct nfs_lock_context *l_ctx = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) if (l_ctx && test_bit(NFS_CONTEXT_UNLOCK, &l_ctx->open_context->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) get_nfs_open_context(l_ctx->open_context);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) nfs_get_lock_context(l_ctx->open_context);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) static bool nfs3_nlm_unlock_prepare(struct rpc_task *task, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) struct nfs_lock_context *l_ctx = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) if (l_ctx && test_bit(NFS_CONTEXT_UNLOCK, &l_ctx->open_context->flags))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) return nfs_async_iocounter_wait(task, l_ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) static void nfs3_nlm_release_call(void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) struct nfs_lock_context *l_ctx = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) struct nfs_open_context *ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) if (l_ctx && test_bit(NFS_CONTEXT_UNLOCK, &l_ctx->open_context->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) ctx = l_ctx->open_context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) nfs_put_lock_context(l_ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) put_nfs_open_context(ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) static const struct nlmclnt_operations nlmclnt_fl_close_lock_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) .nlmclnt_alloc_call = nfs3_nlm_alloc_call,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) .nlmclnt_unlock_prepare = nfs3_nlm_unlock_prepare,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) .nlmclnt_release_call = nfs3_nlm_release_call,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) struct inode *inode = file_inode(filp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) struct nfs_lock_context *l_ctx = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) struct nfs_open_context *ctx = nfs_file_open_context(filp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) if (fl->fl_flags & FL_CLOSE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) l_ctx = nfs_get_lock_context(ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) if (IS_ERR(l_ctx))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) l_ctx = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) set_bit(NFS_CONTEXT_UNLOCK, &ctx->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) status = nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl, l_ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) if (l_ctx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) nfs_put_lock_context(l_ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) static int nfs3_have_delegation(struct inode *inode, fmode_t flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) static const struct inode_operations nfs3_dir_inode_operations = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) .create = nfs_create,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) .lookup = nfs_lookup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) .link = nfs_link,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) .unlink = nfs_unlink,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) .symlink = nfs_symlink,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) .mkdir = nfs_mkdir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) .rmdir = nfs_rmdir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) .mknod = nfs_mknod,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) .rename = nfs_rename,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) .permission = nfs_permission,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) .getattr = nfs_getattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) .setattr = nfs_setattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) #ifdef CONFIG_NFS_V3_ACL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) .listxattr = nfs3_listxattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) .get_acl = nfs3_get_acl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) .set_acl = nfs3_set_acl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) static const struct inode_operations nfs3_file_inode_operations = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) .permission = nfs_permission,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) .getattr = nfs_getattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) .setattr = nfs_setattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) #ifdef CONFIG_NFS_V3_ACL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) .listxattr = nfs3_listxattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) .get_acl = nfs3_get_acl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) .set_acl = nfs3_set_acl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) const struct nfs_rpc_ops nfs_v3_clientops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) .version = 3, /* protocol version */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) .dentry_ops = &nfs_dentry_operations,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) .dir_inode_ops = &nfs3_dir_inode_operations,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) .file_inode_ops = &nfs3_file_inode_operations,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) .file_ops = &nfs_file_operations,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) .nlmclnt_ops = &nlmclnt_fl_close_lock_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) .getroot = nfs3_proc_get_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) .submount = nfs_submount,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) .try_get_tree = nfs_try_get_tree,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) .getattr = nfs3_proc_getattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) .setattr = nfs3_proc_setattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) .lookup = nfs3_proc_lookup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) .access = nfs3_proc_access,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) .readlink = nfs3_proc_readlink,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) .create = nfs3_proc_create,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) .remove = nfs3_proc_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) .unlink_setup = nfs3_proc_unlink_setup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) .unlink_rpc_prepare = nfs3_proc_unlink_rpc_prepare,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) .unlink_done = nfs3_proc_unlink_done,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) .rename_setup = nfs3_proc_rename_setup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) .rename_rpc_prepare = nfs3_proc_rename_rpc_prepare,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) .rename_done = nfs3_proc_rename_done,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) .link = nfs3_proc_link,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) .symlink = nfs3_proc_symlink,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) .mkdir = nfs3_proc_mkdir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) .rmdir = nfs3_proc_rmdir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) .readdir = nfs3_proc_readdir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) .mknod = nfs3_proc_mknod,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) .statfs = nfs3_proc_statfs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) .fsinfo = nfs3_proc_fsinfo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) .pathconf = nfs3_proc_pathconf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) .decode_dirent = nfs3_decode_dirent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) .pgio_rpc_prepare = nfs3_proc_pgio_rpc_prepare,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) .read_setup = nfs3_proc_read_setup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) .read_done = nfs3_read_done,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) .write_setup = nfs3_proc_write_setup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) .write_done = nfs3_write_done,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) .commit_setup = nfs3_proc_commit_setup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) .commit_rpc_prepare = nfs3_proc_commit_rpc_prepare,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) .commit_done = nfs3_commit_done,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) .lock = nfs3_proc_lock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) .clear_acl_cache = forget_all_cached_acls,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) .close_context = nfs_close_context,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) .have_delegation = nfs3_have_delegation,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) .alloc_client = nfs_alloc_client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) .init_client = nfs_init_client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) .free_client = nfs_free_client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) .create_server = nfs3_create_server,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) .clone_server = nfs3_clone_server,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) };
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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