@@ -2528,19 +2528,24 @@ static void unselect_delayed_ref_head(struct btrfs_delayed_ref_root *delayed_ref
}
static int cleanup_extent_op(struct btrfs_trans_handle *trans,
- struct btrfs_fs_info *fs_info,
- struct btrfs_delayed_ref_head *head)
+ struct btrfs_delayed_ref_head *head,
+ bool run_extent_op)
{
+ struct btrfs_fs_info *fs_info = trans->fs_info;
struct btrfs_delayed_extent_op *extent_op = head->extent_op;
int ret;
if (!extent_op)
return 0;
+
head->extent_op = NULL;
if (head->must_insert_reserved) {
btrfs_free_delayed_extent_op(extent_op);
return 0;
+ } else if (!run_extent_op) {
+ return 1;
}
+
spin_unlock(&head->lock);
ret = run_delayed_extent_op(trans, fs_info, head, extent_op);
btrfs_free_delayed_extent_op(extent_op);
@@ -2590,7 +2595,7 @@ static int cleanup_ref_head(struct btrfs_trans_handle *trans,
delayed_refs = &trans->transaction->delayed_refs;
- ret = cleanup_extent_op(trans, fs_info, head);
+ ret = cleanup_extent_op(trans, head, true);
if (ret < 0) {
unselect_delayed_ref_head(delayed_refs, head);
btrfs_debug(fs_info, "run_delayed_extent_op returned %d", ret);
@@ -7115,12 +7120,8 @@ static noinline int check_ref_cleanup(struct btrfs_trans_handle *trans,
if (!RB_EMPTY_ROOT(&head->ref_tree))
goto out;
- if (head->extent_op) {
- if (!head->must_insert_reserved)
- goto out;
- btrfs_free_delayed_extent_op(head->extent_op);
- head->extent_op = NULL;
- }
+ if (cleanup_extent_op(trans, head, false))
+ goto out;
/*
* waiting for the lock here would deadlock. If someone else has it