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drbd: use DEFINE_SPINLOCK() for spinlock 

spinlock can be initialized automatically with DEFINE_SPINLOCK()
rather than explicitly calling spin_lock_init().

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Guobin Huang <huangguobin4@huawei.com>
Link: https://lore.kernel.org/r/1617710988-49205-1-git-send-email-huangguobin4@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Guobin Huang 2021-04-06 20:09:48 +08:00 committed by Jens Axboe
parent b60b270b3d
commit 9c282c29a3
1 changed files with 1 additions and 4 deletions
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5
drivers/block/drbd/drbd_main.c
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@ -125,7 +125,7 @@ struct bio_set drbd_io_bio_set;
member of struct page. member of struct page.
*/ */
struct page *drbd_pp_pool; struct page *drbd_pp_pool;
spinlock_t drbd_pp_lock; DEFINE_SPINLOCK(drbd_pp_lock);
int drbd_pp_vacant; int drbd_pp_vacant;
wait_queue_head_t drbd_pp_wait; wait_queue_head_t drbd_pp_wait;
@ -2160,9 +2160,6 @@ static int drbd_create_mempools(void)
if (ret) if (ret)
goto Enomem; goto Enomem;
/* drbd's page pool */
spin_lock_init(&drbd_pp_lock);
for (i = 0; i < number; i++) { for (i = 0; i < number; i++) {
page = alloc_page(GFP_HIGHUSER); page = alloc_page(GFP_HIGHUSER);
if (!page) if (!page)