diff options
| -rw-r--r-- | fs/btrfs/locking.c | 15 | ||||
| -rw-r--r-- | fs/btrfs/locking.h | 1 | ||||
| -rw-r--r-- | include/trace/events/btrfs.h | 1 |
3 files changed, 0 insertions, 17 deletions
diff --git a/fs/btrfs/locking.c b/fs/btrfs/locking.c index 6a0b7abb5bd9..9a7a7b723305 100644 --- a/fs/btrfs/locking.c +++ b/fs/btrfs/locking.c @@ -162,21 +162,6 @@ int btrfs_try_tree_read_lock(struct extent_buffer *eb) } /* - * Try-lock for write. - * - * Return 1 if the rwlock has been taken, 0 otherwise - */ -int btrfs_try_tree_write_lock(struct extent_buffer *eb) -{ - if (down_write_trylock(&eb->lock)) { - btrfs_set_eb_lock_owner(eb, current->pid); - trace_btrfs_try_tree_write_lock(eb); - return 1; - } - return 0; -} - -/* * Release read lock. */ void btrfs_tree_read_unlock(struct extent_buffer *eb) diff --git a/fs/btrfs/locking.h b/fs/btrfs/locking.h index 3c15c75e0582..46c8be2afab1 100644 --- a/fs/btrfs/locking.h +++ b/fs/btrfs/locking.h @@ -180,7 +180,6 @@ static inline void btrfs_tree_read_lock(struct extent_buffer *eb) void btrfs_tree_read_unlock(struct extent_buffer *eb); int btrfs_try_tree_read_lock(struct extent_buffer *eb); -int btrfs_try_tree_write_lock(struct extent_buffer *eb); struct extent_buffer *btrfs_lock_root_node(struct btrfs_root *root); struct extent_buffer *btrfs_read_lock_root_node(struct btrfs_root *root); struct extent_buffer *btrfs_try_read_lock_root_node(struct btrfs_root *root); diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h index 8d2ff32fb3b0..bd515415ea8b 100644 --- a/include/trace/events/btrfs.h +++ b/include/trace/events/btrfs.h @@ -2344,7 +2344,6 @@ DEFINE_BTRFS_LOCK_EVENT(btrfs_tree_read_unlock_blocking); DEFINE_BTRFS_LOCK_EVENT(btrfs_set_lock_blocking_read); DEFINE_BTRFS_LOCK_EVENT(btrfs_set_lock_blocking_write); DEFINE_BTRFS_LOCK_EVENT(btrfs_try_tree_read_lock); -DEFINE_BTRFS_LOCK_EVENT(btrfs_try_tree_write_lock); DEFINE_BTRFS_LOCK_EVENT(btrfs_tree_read_lock_atomic); DECLARE_EVENT_CLASS(btrfs__space_info_update, |