From fe221db4192cf6c5f6b0be59e09025b05418e226 Mon Sep 17 00:00:00 2001 From: Mike Snitzer Date: Fri, 25 Mar 2022 17:20:45 -0400 Subject: [PATCH] dm: mark various branches unlikely Signed-off-by: Mike Snitzer --- drivers/md/dm.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/md/dm.c b/drivers/md/dm.c index e6b6fe0..34d457c 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -991,7 +991,7 @@ static void clone_endio(struct bio *bio) disable_write_zeroes(md); } - if (blk_queue_is_zoned(q)) + if (unlikely(blk_queue_is_zoned(q))) dm_zone_endio(io, bio); if (endio) { @@ -1288,7 +1288,7 @@ static void __map_bio(struct bio *clone) * on zoned target. In this case, dm_zone_map_bio() calls the target * map operation. */ - if (dm_emulate_zone_append(io->md)) + if (unlikely(dm_emulate_zone_append(io->md))) r = dm_zone_map_bio(tio); else r = ti->type->map(ti, clone); @@ -1631,7 +1631,7 @@ static void dm_submit_bio(struct bio *bio) * Use blk_queue_split() for abnormal IO (e.g. discard, writesame, etc) * otherwise associated queue_limits won't be imposed. */ - if (is_abnormal_io(bio)) + if (unlikely(is_abnormal_io(bio))) blk_queue_split(&bio); dm_split_and_process_bio(md, map, bio); -- 2.7.4