If we do merge_reloc_roots() we could insert a few roots onto the dirty
subvol roots list, where we hold a ref on them. If we fail to start the
transaction we need to run clean_dirty_subvols() in order to cleanup the
refs.
Signed-off-by: Josef Bacik <josef@xxxxxxxxxxxxxx>
---
fs/btrfs/relocation.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index f42589cb351c..e60450c44406 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -4275,6 +4275,7 @@ static noinline_for_stack int relocate_block_group(struct reloc_control *rc)
/* get rid of pinned extents */
trans = btrfs_join_transaction(rc->extent_root);
if (IS_ERR(trans)) {
+ clean_dirty_subvols(rc);
err = PTR_ERR(trans);
goto out_free;
}
@@ -4701,6 +4702,7 @@ int btrfs_recover_relocation(struct btrfs_root *root)
trans = btrfs_join_transaction(rc->extent_root);
if (IS_ERR(trans)) {
+ clean_dirty_subvols(rc);
err = PTR_ERR(trans);
goto out_free;
}
--
2.24.1
