diff options
| author | David Sterba <dsterba@suse.com> | 2018-08-24 16:15:51 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2019-04-29 19:02:21 +0200 |
| commit | 5c9c799ab78336a4161b16126952a7e1320a8c77 (patch) | |
| tree | c419a5edcab793e6ed655ace2cb53649262be61e /fs/btrfs/locking.c | |
| parent | 58a2ddaedbf74b8a209426128c130cc9f0dbd11b (diff) | |
btrfs: use assertion helpers for extent buffer read lock counters
Use the helpers where open coded. On non-debug builds, the warnings will
not trigger and extent_buffer::read_locks become unused and can be
moved to the appropriate section, saving a few bytes.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/locking.c')
| -rw-r--r-- | fs/btrfs/locking.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/btrfs/locking.c b/fs/btrfs/locking.c index d3bb19835ab4..1088cf322fdd 100644 --- a/fs/btrfs/locking.c +++ b/fs/btrfs/locking.c @@ -164,7 +164,7 @@ again: atomic_read(&eb->blocking_writers) == 0); goto again; } - atomic_inc(&eb->read_locks); + btrfs_assert_tree_read_locks_get(eb); btrfs_assert_spinning_readers_get(eb); } @@ -183,7 +183,7 @@ int btrfs_tree_read_lock_atomic(struct extent_buffer *eb) read_unlock(&eb->lock); return 0; } - atomic_inc(&eb->read_locks); + btrfs_assert_tree_read_locks_get(eb); btrfs_assert_spinning_readers_get(eb); return 1; } @@ -204,7 +204,7 @@ int btrfs_try_tree_read_lock(struct extent_buffer *eb) read_unlock(&eb->lock); return 0; } - atomic_inc(&eb->read_locks); + btrfs_assert_tree_read_locks_get(eb); btrfs_assert_spinning_readers_get(eb); return 1; } @@ -248,7 +248,7 @@ void btrfs_tree_read_unlock(struct extent_buffer *eb) } btrfs_assert_tree_read_locked(eb); btrfs_assert_spinning_readers_put(eb); - atomic_dec(&eb->read_locks); + btrfs_assert_tree_read_locks_put(eb); read_unlock(&eb->lock); } @@ -272,7 +272,7 @@ void btrfs_tree_read_unlock_blocking(struct extent_buffer *eb) /* atomic_dec_and_test implies a barrier */ if (atomic_dec_and_test(&eb->blocking_readers)) cond_wake_up_nomb(&eb->read_lock_wq); - atomic_dec(&eb->read_locks); + btrfs_assert_tree_read_locks_put(eb); } /* |