diff options
Diffstat (limited to 'fs/btrfs/delayed-ref.c')
| -rw-r--r-- | fs/btrfs/delayed-ref.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c index 9301b3ad9217..b3e4c9fcb664 100644 --- a/fs/btrfs/delayed-ref.c +++ b/fs/btrfs/delayed-ref.c @@ -400,6 +400,20 @@ again: return head; } +void btrfs_delete_ref_head(struct btrfs_delayed_ref_root *delayed_refs, + struct btrfs_delayed_ref_head *head) +{ + lockdep_assert_held(&delayed_refs->lock); + lockdep_assert_held(&head->lock); + + rb_erase_cached(&head->href_node, &delayed_refs->href_root); + RB_CLEAR_NODE(&head->href_node); + atomic_dec(&delayed_refs->num_entries); + delayed_refs->num_heads--; + if (head->processing == 0) + delayed_refs->num_heads_ready--; +} + /* * Helper to insert the ref_node to the tail or merge with tail. * |