Commit 9c282c29 authored by Guobin Huang's avatar Guobin Huang Committed by Jens Axboe
Browse files

drbd: use DEFINE_SPINLOCK() for spinlock 



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

Reported-by: default avatarHulk Robot <hulkci@huawei.com>
Signed-off-by: default avatarGuobin Huang <huangguobin4@huawei.com>
Link: https://lore.kernel.org/r/1617710988-49205-1-git-send-email-huangguobin4@huawei.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent b60b270b

drivers/block/drbd/drbd_main.c

+1 −4
Original line number Diff line number Diff line
@@ -125,7 +125,7 @@ struct bio_set drbd_io_bio_set; 
	 member of struct page.

 */

struct page *drbd_pp_pool;

spinlock_t   drbd_pp_lock;

DEFINE_SPINLOCK(drbd_pp_lock);

int          drbd_pp_vacant;

wait_queue_head_t drbd_pp_wait;
@@ -2160,9 +2160,6 @@ static int drbd_create_mempools(void) 
	if (ret)

		goto Enomem;



	/* drbd's page pool */

	spin_lock_init(&drbd_pp_lock);



	for (i = 0; i < number; i++) {

		page = alloc_page(GFP_HIGHUSER);

		if (!page)