diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-04-04 18:56:15 +0200 |
|---|---|---|
| committer | Song Liu <songliubraving@fb.com> | 2019-04-10 15:26:09 -0700 |
| commit | 368ecade0532982c8916a49e66b8105413d8db59 (patch) | |
| tree | 1342841ea83e27211405a14a7358ab2e6bcc065b /drivers/md/raid5.c | |
| parent | 2b598ee54a1e50323143a613aa29eb40377d8792 (diff) | |
| download | lwn-368ecade0532982c8916a49e66b8105413d8db59.tar.gz lwn-368ecade0532982c8916a49e66b8105413d8db59.zip | |
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 <hch@lst.de>
Signed-off-by: Song Liu <songliubraving@fb.com>
Diffstat (limited to 'drivers/md/raid5.c')
| -rw-r--r-- | drivers/md/raid5.c | 4 |
1 files changed, 4 insertions, 0 deletions
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); |