diff options
Diffstat (limited to 'fs/btrfs/locking.h')
| -rw-r--r-- | fs/btrfs/locking.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/btrfs/locking.h b/fs/btrfs/locking.h index 11c2269b4b6f..edb9b4a0dba1 100644 --- a/fs/btrfs/locking.h +++ b/fs/btrfs/locking.h @@ -195,13 +195,12 @@ static inline void btrfs_tree_unlock_rw(struct extent_buffer *eb, int rw) struct btrfs_drew_lock { atomic_t readers; - struct percpu_counter writers; + atomic_t writers; wait_queue_head_t pending_writers; wait_queue_head_t pending_readers; }; -int btrfs_drew_lock_init(struct btrfs_drew_lock *lock); -void btrfs_drew_lock_destroy(struct btrfs_drew_lock *lock); +void btrfs_drew_lock_init(struct btrfs_drew_lock *lock); void btrfs_drew_write_lock(struct btrfs_drew_lock *lock); bool btrfs_drew_try_write_lock(struct btrfs_drew_lock *lock); void btrfs_drew_write_unlock(struct btrfs_drew_lock *lock); |