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authorDavid Sterba <dsterba@suse.com>2018-08-24 14:56:28 +0200
committerDavid Sterba <dsterba@suse.com>2019-04-29 19:02:20 +0200
commit843ccf9f46baff289946e897b11fd813de62d06f (patch)
tree6cd5a503bd2492124fe8fe4a463f5953d658df47 /fs/btrfs/extent_io.h
parente4e9fd0f326212ee3971418334c255a26c8a2735 (diff)
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 <nborisov@suse.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/extent_io.h')
-rw-r--r--fs/btrfs/extent_io.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 1e5be66c7e0b..3577ef33bc36 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -166,7 +166,6 @@ struct extent_buffer {
atomic_t blocking_writers;
atomic_t blocking_readers;
atomic_t spinning_readers;
- atomic_t spinning_writers;
short lock_nested;
/* >= 0 if eb belongs to a log tree, -1 otherwise */
short log_index;
@@ -185,6 +184,7 @@ struct extent_buffer {
wait_queue_head_t read_lock_wq;
struct page *pages[INLINE_EXTENT_BUFFER_PAGES];
#ifdef CONFIG_BTRFS_DEBUG
+ atomic_t spinning_writers;
struct list_head leak_list;
#endif
};