^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) * (C) 2001 Clemson University and The University of Chicago
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * See COPYING in top-level directory.
^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 "protocol.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include "orangefs-kernel.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "orangefs-bufmap.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/parser.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/hashtable.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) /* a cache for orangefs-inode objects (i.e. orangefs inode private data) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) static struct kmem_cache *orangefs_inode_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) /* list for storing orangefs specific superblocks in use */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) LIST_HEAD(orangefs_superblocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) DEFINE_SPINLOCK(orangefs_superblocks_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) Opt_intr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) Opt_acl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) Opt_local_lock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) Opt_err
^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) static const match_table_t tokens = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) { Opt_acl, "acl" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) { Opt_intr, "intr" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) { Opt_local_lock, "local_lock" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) { Opt_err, NULL }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) uint64_t orangefs_features;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static int orangefs_show_options(struct seq_file *m, struct dentry *root)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct orangefs_sb_info_s *orangefs_sb = ORANGEFS_SB(root->d_sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) if (root->d_sb->s_flags & SB_POSIXACL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) seq_puts(m, ",acl");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) if (orangefs_sb->flags & ORANGEFS_OPT_INTR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) seq_puts(m, ",intr");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) if (orangefs_sb->flags & ORANGEFS_OPT_LOCAL_LOCK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) seq_puts(m, ",local_lock");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static int parse_mount_options(struct super_block *sb, char *options,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) int silent)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) struct orangefs_sb_info_s *orangefs_sb = ORANGEFS_SB(sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) substring_t args[MAX_OPT_ARGS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) char *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) * Force any potential flags that might be set from the mount
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) * to zero, ie, initialize to unset.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) sb->s_flags &= ~SB_POSIXACL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) orangefs_sb->flags &= ~ORANGEFS_OPT_INTR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) orangefs_sb->flags &= ~ORANGEFS_OPT_LOCAL_LOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) while ((p = strsep(&options, ",")) != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) int token;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) if (!*p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) token = match_token(p, tokens, args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) switch (token) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) case Opt_acl:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) sb->s_flags |= SB_POSIXACL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) case Opt_intr:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) orangefs_sb->flags |= ORANGEFS_OPT_INTR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) case Opt_local_lock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) orangefs_sb->flags |= ORANGEFS_OPT_LOCAL_LOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) if (!silent)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) gossip_err("Error: mount option [%s] is not supported.\n", p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) static void orangefs_inode_cache_ctor(void *req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) struct orangefs_inode_s *orangefs_inode = req;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) inode_init_once(&orangefs_inode->vfs_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) init_rwsem(&orangefs_inode->xattr_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) static struct inode *orangefs_alloc_inode(struct super_block *sb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) struct orangefs_inode_s *orangefs_inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) orangefs_inode = kmem_cache_alloc(orangefs_inode_cache, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) if (!orangefs_inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) * We want to clear everything except for rw_semaphore and the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) * vfs_inode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) memset(&orangefs_inode->refn.khandle, 0, 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) orangefs_inode->refn.fs_id = ORANGEFS_FS_ID_NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) orangefs_inode->last_failed_block_index_read = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) memset(orangefs_inode->link_target, 0, sizeof(orangefs_inode->link_target));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) gossip_debug(GOSSIP_SUPER_DEBUG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) "orangefs_alloc_inode: allocated %p\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) &orangefs_inode->vfs_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) return &orangefs_inode->vfs_inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static void orangefs_free_inode(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) struct orangefs_cached_xattr *cx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) struct hlist_node *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) hash_for_each_safe(orangefs_inode->xattr_cache, i, tmp, cx, node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) hlist_del(&cx->node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) kfree(cx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) kmem_cache_free(orangefs_inode_cache, orangefs_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) static void orangefs_destroy_inode(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) gossip_debug(GOSSIP_SUPER_DEBUG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) "%s: deallocated %p destroying inode %pU\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) __func__, orangefs_inode, get_khandle_from_ino(inode));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) static int orangefs_write_inode(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) struct writeback_control *wbc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) gossip_debug(GOSSIP_SUPER_DEBUG, "orangefs_write_inode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) return orangefs_inode_setattr(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) * NOTE: information filled in here is typically reflected in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) * output of the system command 'df'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) static int orangefs_statfs(struct dentry *dentry, struct kstatfs *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) int ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) struct orangefs_kernel_op_s *new_op = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) int flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) struct super_block *sb = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) sb = dentry->d_sb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) gossip_debug(GOSSIP_SUPER_DEBUG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) "%s: called on sb %p (fs_id is %d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) __func__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) sb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) (int)(ORANGEFS_SB(sb)->fs_id));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) new_op = op_alloc(ORANGEFS_VFS_OP_STATFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) if (!new_op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) new_op->upcall.req.statfs.fs_id = ORANGEFS_SB(sb)->fs_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) if (ORANGEFS_SB(sb)->flags & ORANGEFS_OPT_INTR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) flags = ORANGEFS_OP_INTERRUPTIBLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) ret = service_operation(new_op, "orangefs_statfs", flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) if (new_op->downcall.status < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) goto out_op_release;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) gossip_debug(GOSSIP_SUPER_DEBUG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) "%s: got %ld blocks available | "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) "%ld blocks total | %ld block size | "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) "%ld files total | %ld files avail\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) __func__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) (long)new_op->downcall.resp.statfs.blocks_avail,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) (long)new_op->downcall.resp.statfs.blocks_total,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) (long)new_op->downcall.resp.statfs.block_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) (long)new_op->downcall.resp.statfs.files_total,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) (long)new_op->downcall.resp.statfs.files_avail);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) buf->f_type = sb->s_magic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) memcpy(&buf->f_fsid, &ORANGEFS_SB(sb)->fs_id, sizeof(buf->f_fsid));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) buf->f_bsize = new_op->downcall.resp.statfs.block_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) buf->f_namelen = ORANGEFS_NAME_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) buf->f_blocks = (sector_t) new_op->downcall.resp.statfs.blocks_total;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) buf->f_bfree = (sector_t) new_op->downcall.resp.statfs.blocks_avail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) buf->f_bavail = (sector_t) new_op->downcall.resp.statfs.blocks_avail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) buf->f_files = (sector_t) new_op->downcall.resp.statfs.files_total;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) buf->f_ffree = (sector_t) new_op->downcall.resp.statfs.files_avail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) buf->f_frsize = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) out_op_release:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) op_release(new_op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) gossip_debug(GOSSIP_SUPER_DEBUG, "%s: returning %d\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) * Remount as initiated by VFS layer. We just need to reparse the mount
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) * options, no need to signal pvfs2-client-core about it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) static int orangefs_remount_fs(struct super_block *sb, int *flags, char *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) gossip_debug(GOSSIP_SUPER_DEBUG, "orangefs_remount_fs: called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) return parse_mount_options(sb, data, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) }
^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) * Remount as initiated by pvfs2-client-core on restart. This is used to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) * repopulate mount information left from previous pvfs2-client-core.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) * the idea here is that given a valid superblock, we're
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) * re-initializing the user space client with the initial mount
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) * information specified when the super block was first initialized.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) * this is very different than the first initialization/creation of a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) * superblock. we use the special service_priority_operation to make
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) * sure that the mount gets ahead of any other pending operation that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) * is waiting for servicing. this means that the pvfs2-client won't
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) * fail to start several times for all other pending operations before
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) * the client regains all of the mount information from us.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) * NOTE: this function assumes that the request_mutex is already acquired!
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) int orangefs_remount(struct orangefs_sb_info_s *orangefs_sb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) struct orangefs_kernel_op_s *new_op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) int ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) gossip_debug(GOSSIP_SUPER_DEBUG, "orangefs_remount: called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) new_op = op_alloc(ORANGEFS_VFS_OP_FS_MOUNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) if (!new_op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) strncpy(new_op->upcall.req.fs_mount.orangefs_config_server,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) orangefs_sb->devname,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) ORANGEFS_MAX_SERVER_ADDR_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) gossip_debug(GOSSIP_SUPER_DEBUG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) "Attempting ORANGEFS Remount via host %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) new_op->upcall.req.fs_mount.orangefs_config_server);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) * we assume that the calling function has already acquired the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) * request_mutex to prevent other operations from bypassing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) * this one
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) ret = service_operation(new_op, "orangefs_remount",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) ORANGEFS_OP_PRIORITY | ORANGEFS_OP_NO_MUTEX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) gossip_debug(GOSSIP_SUPER_DEBUG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) "orangefs_remount: mount got return value of %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) if (ret == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) * store the id assigned to this sb -- it's just a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) * short-lived mapping that the system interface uses
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) * to map this superblock to a particular mount entry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) orangefs_sb->id = new_op->downcall.resp.fs_mount.id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) orangefs_sb->mount_pending = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) op_release(new_op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) if (orangefs_userspace_version >= 20906) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) new_op = op_alloc(ORANGEFS_VFS_OP_FEATURES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) if (!new_op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) new_op->upcall.req.features.features = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) ret = service_operation(new_op, "orangefs_features",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) ORANGEFS_OP_PRIORITY | ORANGEFS_OP_NO_MUTEX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) orangefs_features =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) new_op->downcall.resp.features.features;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) orangefs_features = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) op_release(new_op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) orangefs_features = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) return ret;
^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) int fsid_key_table_initialize(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) return 0;
^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) void fsid_key_table_finalize(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) static const struct super_operations orangefs_s_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) .alloc_inode = orangefs_alloc_inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) .free_inode = orangefs_free_inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) .destroy_inode = orangefs_destroy_inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) .write_inode = orangefs_write_inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) .drop_inode = generic_delete_inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) .statfs = orangefs_statfs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) .remount_fs = orangefs_remount_fs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) .show_options = orangefs_show_options,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) static struct dentry *orangefs_fh_to_dentry(struct super_block *sb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) struct fid *fid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) int fh_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) int fh_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) struct orangefs_object_kref refn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) if (fh_len < 5 || fh_type > 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) ORANGEFS_khandle_from(&(refn.khandle), fid->raw, 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) refn.fs_id = (u32) fid->raw[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) gossip_debug(GOSSIP_SUPER_DEBUG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) "fh_to_dentry: handle %pU, fs_id %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) &refn.khandle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) refn.fs_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) return d_obtain_alias(orangefs_iget(sb, &refn));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) static int orangefs_encode_fh(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) __u32 *fh,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) int *max_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) struct inode *parent)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) int len = parent ? 10 : 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) int type = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) struct orangefs_object_kref refn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) if (*max_len < len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) gossip_err("fh buffer is too small for encoding\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) *max_len = len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) type = 255;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) refn = ORANGEFS_I(inode)->refn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) ORANGEFS_khandle_to(&refn.khandle, fh, 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) fh[4] = refn.fs_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) gossip_debug(GOSSIP_SUPER_DEBUG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) "Encoding fh: handle %pU, fsid %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) &refn.khandle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) refn.fs_id);
^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) if (parent) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) refn = ORANGEFS_I(parent)->refn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) ORANGEFS_khandle_to(&refn.khandle, (char *) fh + 20, 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) fh[9] = refn.fs_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) type = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) gossip_debug(GOSSIP_SUPER_DEBUG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) "Encoding parent: handle %pU, fsid %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) &refn.khandle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) refn.fs_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) *max_len = len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) return type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) static const struct export_operations orangefs_export_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) .encode_fh = orangefs_encode_fh,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) .fh_to_dentry = orangefs_fh_to_dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) static int orangefs_unmount(int id, __s32 fs_id, const char *devname)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) struct orangefs_kernel_op_s *op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) int r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) op = op_alloc(ORANGEFS_VFS_OP_FS_UMOUNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) if (!op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) op->upcall.req.fs_umount.id = id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) op->upcall.req.fs_umount.fs_id = fs_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) strncpy(op->upcall.req.fs_umount.orangefs_config_server,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) devname, ORANGEFS_MAX_SERVER_ADDR_LEN - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) r = service_operation(op, "orangefs_fs_umount", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) /* Not much to do about an error here. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) if (r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) gossip_err("orangefs_unmount: service_operation %d\n", r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) op_release(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) static int orangefs_fill_sb(struct super_block *sb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) struct orangefs_fs_mount_response *fs_mount,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) void *data, int silent)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) struct inode *root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) struct dentry *root_dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) struct orangefs_object_kref root_object;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) ORANGEFS_SB(sb)->sb = sb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) ORANGEFS_SB(sb)->root_khandle = fs_mount->root_khandle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) ORANGEFS_SB(sb)->fs_id = fs_mount->fs_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) ORANGEFS_SB(sb)->id = fs_mount->id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) if (data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) ret = parse_mount_options(sb, data, silent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) /* Hang the xattr handlers off the superblock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) sb->s_xattr = orangefs_xattr_handlers;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) sb->s_magic = ORANGEFS_SUPER_MAGIC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) sb->s_op = &orangefs_s_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) sb->s_d_op = &orangefs_dentry_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) sb->s_blocksize = PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) sb->s_blocksize_bits = PAGE_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) sb->s_maxbytes = MAX_LFS_FILESIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) ret = super_setup_bdi(sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) root_object.khandle = ORANGEFS_SB(sb)->root_khandle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) root_object.fs_id = ORANGEFS_SB(sb)->fs_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) gossip_debug(GOSSIP_SUPER_DEBUG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) "get inode %pU, fsid %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) &root_object.khandle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) root_object.fs_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) root = orangefs_iget(sb, &root_object);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) if (IS_ERR(root))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) return PTR_ERR(root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) gossip_debug(GOSSIP_SUPER_DEBUG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) "Allocated root inode [%p] with mode %x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) root->i_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) /* allocates and places root dentry in dcache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) root_dentry = d_make_root(root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) if (!root_dentry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) sb->s_export_op = &orangefs_export_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) sb->s_root = root_dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) return 0;
^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) struct dentry *orangefs_mount(struct file_system_type *fst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) int flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) const char *devname,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) int ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) struct super_block *sb = ERR_PTR(-EINVAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) struct orangefs_kernel_op_s *new_op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) struct dentry *d = ERR_PTR(-EINVAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) gossip_debug(GOSSIP_SUPER_DEBUG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) "orangefs_mount: called with devname %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) devname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) if (!devname) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) gossip_err("ERROR: device name not specified.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) return ERR_PTR(-EINVAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) new_op = op_alloc(ORANGEFS_VFS_OP_FS_MOUNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) if (!new_op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) return ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) strncpy(new_op->upcall.req.fs_mount.orangefs_config_server,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) devname,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) ORANGEFS_MAX_SERVER_ADDR_LEN - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) gossip_debug(GOSSIP_SUPER_DEBUG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) "Attempting ORANGEFS Mount via host %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) new_op->upcall.req.fs_mount.orangefs_config_server);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) ret = service_operation(new_op, "orangefs_mount", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) gossip_debug(GOSSIP_SUPER_DEBUG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) "orangefs_mount: mount got return value of %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) goto free_op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) if (new_op->downcall.resp.fs_mount.fs_id == ORANGEFS_FS_ID_NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) gossip_err("ERROR: Retrieved null fs_id\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) goto free_op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) sb = sget(fst, NULL, set_anon_super, flags, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) if (IS_ERR(sb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) d = ERR_CAST(sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) orangefs_unmount(new_op->downcall.resp.fs_mount.id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) new_op->downcall.resp.fs_mount.fs_id, devname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) goto free_op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) /* alloc and init our private orangefs sb info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) sb->s_fs_info = kzalloc(sizeof(struct orangefs_sb_info_s), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) if (!ORANGEFS_SB(sb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) d = ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) goto free_op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) ret = orangefs_fill_sb(sb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) &new_op->downcall.resp.fs_mount, data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) flags & SB_SILENT ? 1 : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) d = ERR_PTR(ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) goto free_sb_and_op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) * on successful mount, store the devname and data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) * used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) strncpy(ORANGEFS_SB(sb)->devname,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) devname,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) ORANGEFS_MAX_SERVER_ADDR_LEN - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) /* mount_pending must be cleared */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) ORANGEFS_SB(sb)->mount_pending = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) * finally, add this sb to our list of known orangefs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) * sb's
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) gossip_debug(GOSSIP_SUPER_DEBUG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) "Adding SB %p to orangefs superblocks\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) ORANGEFS_SB(sb));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) spin_lock(&orangefs_superblocks_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) list_add_tail(&ORANGEFS_SB(sb)->list, &orangefs_superblocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) spin_unlock(&orangefs_superblocks_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) op_release(new_op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) /* Must be removed from the list now. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) ORANGEFS_SB(sb)->no_list = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) if (orangefs_userspace_version >= 20906) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) new_op = op_alloc(ORANGEFS_VFS_OP_FEATURES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) if (!new_op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) return ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) new_op->upcall.req.features.features = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) ret = service_operation(new_op, "orangefs_features", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) orangefs_features = new_op->downcall.resp.features.features;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) op_release(new_op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) orangefs_features = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) return dget(sb->s_root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) free_sb_and_op:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) /* Will call orangefs_kill_sb with sb not in list. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) ORANGEFS_SB(sb)->no_list = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) /* ORANGEFS_VFS_OP_FS_UMOUNT is done by orangefs_kill_sb. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) deactivate_locked_super(sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) free_op:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) gossip_err("orangefs_mount: mount request failed with %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) if (ret == -EINVAL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) gossip_err("Ensure that all orangefs-servers have the same FS configuration files\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) gossip_err("Look at pvfs2-client-core log file (typically /tmp/pvfs2-client.log) for more details\n");
^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) op_release(new_op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) return d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) void orangefs_kill_sb(struct super_block *sb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) int r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) gossip_debug(GOSSIP_SUPER_DEBUG, "orangefs_kill_sb: called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) /* provided sb cleanup */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) kill_anon_super(sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) if (!ORANGEFS_SB(sb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) mutex_lock(&orangefs_request_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) mutex_unlock(&orangefs_request_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) * issue the unmount to userspace to tell it to remove the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) * dynamic mount info it has for this superblock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) r = orangefs_unmount(ORANGEFS_SB(sb)->id, ORANGEFS_SB(sb)->fs_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) ORANGEFS_SB(sb)->devname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) if (!r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) ORANGEFS_SB(sb)->mount_pending = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) if (!ORANGEFS_SB(sb)->no_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) /* remove the sb from our list of orangefs specific sb's */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) spin_lock(&orangefs_superblocks_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) /* not list_del_init */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) __list_del_entry(&ORANGEFS_SB(sb)->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) ORANGEFS_SB(sb)->list.prev = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) spin_unlock(&orangefs_superblocks_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) * make sure that ORANGEFS_DEV_REMOUNT_ALL loop that might've seen us
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) * gets completed before we free the dang thing.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) mutex_lock(&orangefs_request_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) mutex_unlock(&orangefs_request_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) /* free the orangefs superblock private data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) kfree(ORANGEFS_SB(sb));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) int orangefs_inode_cache_initialize(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) orangefs_inode_cache = kmem_cache_create_usercopy(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) "orangefs_inode_cache",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) sizeof(struct orangefs_inode_s),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) ORANGEFS_CACHE_CREATE_FLAGS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) offsetof(struct orangefs_inode_s,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) link_target),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) sizeof_field(struct orangefs_inode_s,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) link_target),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) orangefs_inode_cache_ctor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) if (!orangefs_inode_cache) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) gossip_err("Cannot create orangefs_inode_cache\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) int orangefs_inode_cache_finalize(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) kmem_cache_destroy(orangefs_inode_cache);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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