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Commit bba7f40a authored by Javier González's avatar Javier González Committed by Jens Axboe
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lightnvm: warn if irqs are disabled in lock laddr 



Add a warning if irqs are disabled when locking a new address in rrpc.
The typical path to a new request does not disable irqs, but this is not
guaranteed in the future.

Signed-off-by: default avatarJavier González <javier@cnexlabs.com>
Signed-off-by: default avatarMatias Bjørling <m@bjorling.me>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent 16c6d048

drivers/lightnvm/rrpc.h

+2 −0
Original line number Diff line number Diff line
@@ -184,6 +184,8 @@ static int __rrpc_lock_laddr(struct rrpc *rrpc, sector_t laddr, 
	sector_t laddr_end = laddr + pages - 1;

	struct rrpc_inflight_rq *rtmp;



	WARN_ON(irqs_disabled());



	spin_lock_irq(&rrpc->inflights.lock);

	list_for_each_entry(rtmp, &rrpc->inflights.reqs, list) {

		if (unlikely(request_intersects(rtmp, laddr, laddr_end))) {