Commit 0de2415b authored by Wenwei Tao's avatar Wenwei Tao Committed by Jens Axboe
Browse files

lightnvm: break the loop when rqd is not null 



Break the loop when rqd is not null to reduce
an unnecessary schedule.

Signed-off-by: default avatarWenwei Tao <ww.tao0320@gmail.com>
Signed-off-by: default avatarMatias Bjørling <m@bjorling.me>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent f98d9ca1

drivers/lightnvm/rrpc.c

+5 −2
Original line number Diff line number Diff line
@@ -96,10 +96,13 @@ static void rrpc_discard(struct rrpc *rrpc, struct bio *bio) 
	sector_t len = bio->bi_iter.bi_size / RRPC_EXPOSED_PAGE_SIZE;

	struct nvm_rq *rqd;



	do {

	while (1) {

		rqd = rrpc_inflight_laddr_acquire(rrpc, slba, len);

		if (rqd)

			break;



		schedule();

	} while (!rqd);

	}



	if (IS_ERR(rqd)) {

		pr_err("rrpc: unable to acquire inflight IO\n");