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| author | Linux Build Service Account <lnxbuild@localhost> | 2019-06-30 03:26:38 -0700 |
|---|---|---|
| committer | Linux Build Service Account <lnxbuild@localhost> | 2019-06-30 03:26:38 -0700 |
| commit | f6f18bf58a688e45e149708a00659bd1010ef94c (patch) | |
| tree | aea1549c4c8f28ad359a92b7702481b2cb369d20 /fs/btrfs/backref.c | |
| parent | c9d92a953ba0dffba643376ec463754a88db107a (diff) | |
| parent | 17c66e9e49a181498ae3c75809c98fdbe630de28 (diff) | |
Merge 17c66e9e49a181498ae3c75809c98fdbe630de28 on remote branch
Change-Id: I49238aefe09bba152a8000c046959157c328f183
Diffstat (limited to 'fs/btrfs/backref.c')
| -rw-r--r-- | fs/btrfs/backref.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index e2f659dc5745..81c5d07a2af1 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -1685,13 +1685,19 @@ int iterate_extent_inodes(struct btrfs_fs_info *fs_info, extent_item_objectid); if (!search_commit_root) { - trans = btrfs_join_transaction(fs_info->extent_root); - if (IS_ERR(trans)) - return PTR_ERR(trans); + trans = btrfs_attach_transaction(fs_info->extent_root); + if (IS_ERR(trans)) { + if (PTR_ERR(trans) != -ENOENT && + PTR_ERR(trans) != -EROFS) + return PTR_ERR(trans); + trans = NULL; + } + } + + if (trans) btrfs_get_tree_mod_seq(fs_info, &tree_mod_seq_elem); - } else { + else down_read(&fs_info->commit_root_sem); - } ret = btrfs_find_all_leafs(trans, fs_info, extent_item_objectid, tree_mod_seq_elem.seq, &refs, @@ -1721,7 +1727,7 @@ int iterate_extent_inodes(struct btrfs_fs_info *fs_info, free_leaf_list(refs); out: - if (!search_commit_root) { + if (trans) { btrfs_put_tree_mod_seq(fs_info, &tree_mod_seq_elem); btrfs_end_transaction(trans, fs_info->extent_root); } else { |