diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/backref.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index cfd1e6f6ac64..69e596b1f95b 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -1371,7 +1371,8 @@ char *btrfs_ref_to_path(struct btrfs_root *fs_root, struct btrfs_path *path, read_extent_buffer(eb, dest + bytes_left, name_off, name_len); if (eb != eb_in) { - btrfs_tree_read_unlock_blocking(eb); + if (!path->skip_locking) + btrfs_tree_read_unlock_blocking(eb); free_extent_buffer(eb); } ret = inode_ref_info(parent, 0, fs_root, path, &found_key); @@ -1390,9 +1391,10 @@ char *btrfs_ref_to_path(struct btrfs_root *fs_root, struct btrfs_path *path, eb = path->nodes[0]; /* make sure we can use eb after releasing the path */ if (eb != eb_in) { - atomic_inc(&eb->refs); - btrfs_tree_read_lock(eb); - btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK); + if (!path->skip_locking) + btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK); + path->nodes[0] = NULL; + path->locks[0] = 0; } btrfs_release_path(path); iref = btrfs_item_ptr(eb, slot, struct btrfs_inode_ref); |