diff options
| author | Josef Bacik <jbacik@fb.com> | 2018-12-03 16:20:29 +0100 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2018-12-17 14:51:46 +0100 |
| commit | d7baffdaf9f9df8c9715aa507e3be2f409347c74 (patch) | |
| tree | 58158397803e1a19f9fb44f8f9b82a696b75c792 /fs/btrfs/delayed-ref.c | |
| parent | btrfs: use PAGE_ALIGNED instead of open-coding it (diff) | |
| download | linux-d7baffdaf9f9df8c9715aa507e3be2f409347c74.tar.xz linux-d7baffdaf9f9df8c9715aa507e3be2f409347c74.zip | |
btrfs: add btrfs_delete_ref_head helper
We do this dance in cleanup_ref_head and check_ref_cleanup, unify it
into a helper and cleanup the calling functions.
Reviewed-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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. * |