diff options
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/tree-log.c | 49 |
1 files changed, 37 insertions, 12 deletions
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 70d41f669025..e76345f52beb 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -27,6 +27,7 @@ #define LOG_INODE_ALL 0 #define LOG_INODE_EXISTS 1 #define LOG_OTHER_INODE 2 +#define LOG_OTHER_INODE_ALL 3 /* * directory trouble cases @@ -4777,7 +4778,7 @@ static int btrfs_check_ref_name_override(struct extent_buffer *eb, const int slot, const struct btrfs_key *key, struct btrfs_inode *inode, - u64 *other_ino) + u64 *other_ino, u64 *other_parent) { int ret; struct btrfs_path *search_path; @@ -4843,6 +4844,7 @@ static int btrfs_check_ref_name_override(struct extent_buffer *eb, if (di_key.objectid != key->objectid) { ret = 1; *other_ino = di_key.objectid; + *other_parent = parent; } else { ret = 0; } @@ -4867,6 +4869,7 @@ out: struct btrfs_ino_list { u64 ino; + u64 parent; struct list_head list; }; @@ -4874,7 +4877,7 @@ static int log_conflicting_inodes(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path, struct btrfs_log_ctx *ctx, - u64 ino) + u64 ino, u64 parent) { struct btrfs_ino_list *ino_elem; LIST_HEAD(inode_list); @@ -4884,6 +4887,7 @@ static int log_conflicting_inodes(struct btrfs_trans_handle *trans, if (!ino_elem) return -ENOMEM; ino_elem->ino = ino; + ino_elem->parent = parent; list_add_tail(&ino_elem->list, &inode_list); while (!list_empty(&inode_list)) { @@ -4894,6 +4898,7 @@ static int log_conflicting_inodes(struct btrfs_trans_handle *trans, ino_elem = list_first_entry(&inode_list, struct btrfs_ino_list, list); ino = ino_elem->ino; + parent = ino_elem->parent; list_del(&ino_elem->list); kfree(ino_elem); if (ret) @@ -4907,13 +4912,25 @@ static int log_conflicting_inodes(struct btrfs_trans_handle *trans, inode = btrfs_iget(fs_info->sb, &key, root, NULL); /* * If the other inode that had a conflicting dir entry was - * deleted in the current transaction, we don't need to do more - * work nor fallback to a transaction commit. + * deleted in the current transaction, we need to log its parent + * directory. */ if (IS_ERR(inode)) { ret = PTR_ERR(inode); - if (ret == -ENOENT) - ret = 0; + if (ret == -ENOENT) { + key.objectid = parent; + inode = btrfs_iget(fs_info->sb, &key, root, + NULL); + if (IS_ERR(inode)) { + ret = PTR_ERR(inode); + } else { + ret = btrfs_log_inode(trans, root, + BTRFS_I(inode), + LOG_OTHER_INODE_ALL, + 0, LLONG_MAX, ctx); + iput(inode); + } + } continue; } /* @@ -4943,6 +4960,7 @@ static int log_conflicting_inodes(struct btrfs_trans_handle *trans, struct extent_buffer *leaf = path->nodes[0]; int slot = path->slots[0]; u64 other_ino = 0; + u64 other_parent = 0; if (slot >= btrfs_header_nritems(leaf)) { ret = btrfs_next_leaf(root, path); @@ -4964,7 +4982,8 @@ static int log_conflicting_inodes(struct btrfs_trans_handle *trans, } ret = btrfs_check_ref_name_override(leaf, slot, &key, - BTRFS_I(inode), &other_ino); + BTRFS_I(inode), &other_ino, + &other_parent); if (ret < 0) break; if (ret > 0) { @@ -4974,6 +4993,7 @@ static int log_conflicting_inodes(struct btrfs_trans_handle *trans, break; } ino_elem->ino = other_ino; + ino_elem->parent = other_parent; list_add_tail(&ino_elem->list, &inode_list); ret = 0; } @@ -5024,7 +5044,7 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans, u64 logged_isize = 0; bool need_log_inode_item = true; bool xattrs_logged = false; - bool recursive_logging = (inode_only == LOG_OTHER_INODE); + bool recursive_logging = false; path = btrfs_alloc_path(); if (!path) @@ -5070,8 +5090,12 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans, return ret; } - if (inode_only == LOG_OTHER_INODE) { - inode_only = LOG_INODE_EXISTS; + if (inode_only == LOG_OTHER_INODE || inode_only == LOG_OTHER_INODE_ALL) { + recursive_logging = true; + if (inode_only == LOG_OTHER_INODE) + inode_only = LOG_INODE_EXISTS; + else + inode_only = LOG_INODE_ALL; mutex_lock_nested(&inode->log_mutex, SINGLE_DEPTH_NESTING); } else { mutex_lock(&inode->log_mutex); @@ -5169,10 +5193,11 @@ again: inode->generation == trans->transid && !recursive_logging) { u64 other_ino = 0; + u64 other_parent = 0; ret = btrfs_check_ref_name_override(path->nodes[0], path->slots[0], &min_key, inode, - &other_ino); + &other_ino, &other_parent); if (ret < 0) { err = ret; goto out_unlock; @@ -5195,7 +5220,7 @@ again: ins_nr = 0; err = log_conflicting_inodes(trans, root, path, - ctx, other_ino); + ctx, other_ino, other_parent); if (err) goto out_unlock; btrfs_release_path(path); |