@@ -976,12 +976,15 @@ static void btrfs_release_delayed_iref(struct btrfs_delayed_node *delayed_node)
{
struct btrfs_delayed_root *delayed_root;
- ASSERT(delayed_node->root);
- clear_bit(BTRFS_DELAYED_NODE_DEL_IREF, &delayed_node->flags);
- delayed_node->count--;
+ if (test_and_clear_bit(BTRFS_DELAYED_NODE_DEL_IREF,
+ &delayed_node->flags)) {
- delayed_root = delayed_node->root->fs_info->delayed_root;
- finish_one_item(delayed_root);
+ ASSERT(delayed_node->root);
+ delayed_node->count--;
+
+ delayed_root = delayed_node->root->fs_info->delayed_root;
+ finish_one_item(delayed_root);
+ }
}
static int __btrfs_update_delayed_inode(struct btrfs_trans_handle *trans,
@@ -1024,7 +1027,7 @@ static int __btrfs_update_delayed_inode(struct btrfs_trans_handle *trans,
btrfs_mark_buffer_dirty(leaf);
if (!test_bit(BTRFS_DELAYED_NODE_DEL_IREF, &node->flags))
- goto no_iref;
+ goto out;
path->slots[0]++;
if (path->slots[0] >= btrfs_header_nritems(leaf))
@@ -1046,7 +1049,6 @@ static int __btrfs_update_delayed_inode(struct btrfs_trans_handle *trans,
btrfs_del_item(trans, root, path);
out:
btrfs_release_delayed_iref(node);
-no_iref:
btrfs_release_path(path);
err_out:
btrfs_delayed_inode_release_metadata(fs_info, node, (ret < 0));
@@ -1898,8 +1900,7 @@ static void __btrfs_kill_delayed_node(struct btrfs_delayed_node *delayed_node)
btrfs_release_delayed_item(prev_item);
}
- if (test_bit(BTRFS_DELAYED_NODE_DEL_IREF, &delayed_node->flags))
- btrfs_release_delayed_iref(delayed_node);
+ btrfs_release_delayed_iref(delayed_node);
if (test_bit(BTRFS_DELAYED_NODE_INODE_DIRTY, &delayed_node->flags)) {
btrfs_delayed_inode_release_metadata(fs_info, delayed_node, false);
Right now we only cleanup the delayed iref if we have BTRFS_DELAYED_NODE_DEL_IREF set on the node. However we have some error conditions that need to cleanup the iref if it still exists, so to make this code cleaner move the test_bit into btrfs_release_delayed_iref itself and unconditionally call it in each of the cases instead. Signed-off-by: Josef Bacik <josef@toxicpanda.com> --- fs/btrfs/delayed-inode.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-)