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authorOtavio Salvador <otavio@ossystems.com.br>2020-05-20 08:43:03 -0300
committerGitHub <noreply@github.com>2020-05-20 08:43:03 -0300
commit1279cd128bba968ebe0a2df7f7ae38bae90250ef (patch)
treedf6b1a190760f51465122ca4c13492d5ac5984c6 /fs/btrfs/backref.c
parent0a8ab17689e628c84a666195bfc6ab85d11cf057 (diff)
parent2ae782ca839e0ee07de37122ddea362adff2e975 (diff)
Merge pull request #76 from toradex/4.9-2.3.x-imx
4.9 2.3.x imx
Diffstat (limited to 'fs/btrfs/backref.c')
-rw-r--r--fs/btrfs/backref.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 85dc7ab8f89e..2973d256bb44 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -2018,13 +2018,19 @@ 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,
@@ -2056,7 +2062,7 @@ 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 {