diff options
Diffstat (limited to 'fs/btrfs/backref.c')
| -rw-r--r-- | fs/btrfs/backref.c | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index f2728fb3ee8f..cd2d39b60be0 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -542,24 +542,19 @@ static int resolve_indirect_ref(struct btrfs_fs_info *fs_info, int ret = 0; int root_level; int level = ref->level; - int index; struct btrfs_key search_key = ref->key_for_search; root_key.objectid = ref->root_id; root_key.type = BTRFS_ROOT_ITEM_KEY; root_key.offset = (u64)-1; - index = srcu_read_lock(&fs_info->subvol_srcu); - root = btrfs_get_fs_root(fs_info, &root_key, false); if (IS_ERR(root)) { - srcu_read_unlock(&fs_info->subvol_srcu, index); ret = PTR_ERR(root); goto out_free; } if (btrfs_is_testing(fs_info)) { - srcu_read_unlock(&fs_info->subvol_srcu, index); ret = -ENOENT; goto out; } @@ -571,10 +566,8 @@ static int resolve_indirect_ref(struct btrfs_fs_info *fs_info, else root_level = btrfs_old_root_level(root, time_seq); - if (root_level + 1 == level) { - srcu_read_unlock(&fs_info->subvol_srcu, index); + if (root_level + 1 == level) goto out; - } /* * We can often find data backrefs with an offset that is too large @@ -604,9 +597,6 @@ static int resolve_indirect_ref(struct btrfs_fs_info *fs_info, else ret = btrfs_search_old_slot(root, &search_key, path, time_seq); - /* root node has been locked, we can release @subvol_srcu safely here */ - srcu_read_unlock(&fs_info->subvol_srcu, index); - btrfs_debug(fs_info, "search slot in root %llu (level %d, ref count %d) returned %d for key (%llu %u %llu)", ref->root_id, level, ref->count, ret, |