From 5c9c799ab78336a4161b16126952a7e1320a8c77 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Fri, 24 Aug 2018 16:15:51 +0200 Subject: 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 Reviewed-by: Johannes Thumshirn Signed-off-by: David Sterba --- fs/btrfs/locking.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'fs/btrfs/locking.c') 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); } /* -- cgit v1.2.3