From 368ecade0532982c8916a49e66b8105413d8db59 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 4 Apr 2019 18:56:15 +0200 Subject: [PATCH] md: add __acquires/__releases annotations to (un)lock_two_stripes This tells sparse that we acquire/release the two stripe locks and avoids a warning. Signed-off-by: Christoph Hellwig Signed-off-by: Song Liu --- drivers/md/raid5.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 364dd2f6fa1b..d794d8745144 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -711,6 +711,8 @@ static bool is_full_stripe_write(struct stripe_head *sh) } static void lock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2) + __acquires(&sh1->stripe_lock) + __acquires(&sh2->stripe_lock) { if (sh1 > sh2) { spin_lock_irq(&sh2->stripe_lock); @@ -722,6 +724,8 @@ static void lock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2) } static void unlock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2) + __releases(&sh1->stripe_lock) + __releases(&sh2->stripe_lock) { spin_unlock(&sh1->stripe_lock); spin_unlock_irq(&sh2->stripe_lock); -- 2.11.0