diff options
Diffstat (limited to 'fs/btrfs/locking.h')
| -rw-r--r-- | fs/btrfs/locking.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/fs/btrfs/locking.h b/fs/btrfs/locking.h index b775a4207ed9..21a285883e89 100644 --- a/fs/btrfs/locking.h +++ b/fs/btrfs/locking.h @@ -6,6 +6,8 @@ #ifndef BTRFS_LOCKING_H #define BTRFS_LOCKING_H +#include "extent_io.h" + #define BTRFS_WRITE_LOCK 1 #define BTRFS_READ_LOCK 2 #define BTRFS_WRITE_LOCK_BLOCKING 3 @@ -19,11 +21,20 @@ void btrfs_tree_read_unlock(struct extent_buffer *eb); void btrfs_tree_read_unlock_blocking(struct extent_buffer *eb); void btrfs_set_lock_blocking_read(struct extent_buffer *eb); void btrfs_set_lock_blocking_write(struct extent_buffer *eb); -void btrfs_assert_tree_locked(struct extent_buffer *eb); int btrfs_try_tree_read_lock(struct extent_buffer *eb); int btrfs_try_tree_write_lock(struct extent_buffer *eb); int btrfs_tree_read_lock_atomic(struct extent_buffer *eb); +#ifdef CONFIG_BTRFS_DEBUG +static inline void btrfs_assert_tree_locked(struct extent_buffer *eb) { + BUG_ON(!eb->write_locks); +} +#else +static inline void btrfs_assert_tree_locked(struct extent_buffer *eb) { } +#endif + +void btrfs_set_path_blocking(struct btrfs_path *p); +void btrfs_unlock_up_safe(struct btrfs_path *path, int level); static inline void btrfs_tree_unlock_rw(struct extent_buffer *eb, int rw) { |