From 843ccf9f46baff289946e897b11fd813de62d06f Mon Sep 17 00:00:00 2001 From: David Sterba Date: Fri, 24 Aug 2018 14:56:28 +0200 Subject: btrfs: use assertion helpers for spinning writers Use the helpers where open coded. On non-debug builds, the warnings will not trigger and extent_buffer::spining_writers 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/extent_io.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'fs/btrfs/extent_io.c') diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index cc3941ae1ff6..fc0451c3e24e 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -4682,7 +4682,6 @@ __alloc_extent_buffer(struct btrfs_fs_info *fs_info, u64 start, atomic_set(&eb->blocking_readers, 0); atomic_set(&eb->blocking_writers, 0); atomic_set(&eb->spinning_readers, 0); - atomic_set(&eb->spinning_writers, 0); eb->lock_nested = 0; init_waitqueue_head(&eb->write_lock_wq); init_waitqueue_head(&eb->read_lock_wq); @@ -4700,6 +4699,10 @@ __alloc_extent_buffer(struct btrfs_fs_info *fs_info, u64 start, > MAX_INLINE_EXTENT_BUFFER_SIZE); BUG_ON(len > MAX_INLINE_EXTENT_BUFFER_SIZE); +#ifdef CONFIG_BTRFS_DEBUG + atomic_set(&eb->spinning_writers, 0); +#endif + return eb; } -- cgit v1.2.3