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io_uring/zcrx: use guards for the refill lock 

Use guards for rq_lock in io_zcrx_ring_refill(), makes it a tad simpler.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
pull/1354/merge
Pavel Begunkov 2025-09-16 15:27:59 +01:00 committed by Jens Axboe
parent 73fa880eff
commit c95257f336
1 changed files with 2 additions and 5 deletions
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7
io_uring/zcrx.c
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@ -756,14 +756,12 @@ static void io_zcrx_ring_refill(struct page_pool *pp,
unsigned int mask = ifq->rq_entries - 1;
unsigned int entries;
spin_lock_bh(&ifq->rq_lock);
guard(spinlock_bh)(&ifq->rq_lock);
entries = io_zcrx_rqring_entries(ifq);
entries = min_t(unsigned, entries, PP_ALLOC_CACHE_REFILL - pp->alloc.count);
if (unlikely(!entries)) {
spin_unlock_bh(&ifq->rq_lock);
if (unlikely(!entries))
return;
}
do {
struct io_uring_zcrx_rqe *rqe = io_zcrx_get_rqe(ifq, mask);
@ -801,7 +799,6 @@ static void io_zcrx_ring_refill(struct page_pool *pp,
} while (--entries);
smp_store_release(&ifq->rq_ring->head, ifq->cached_rq_head);
spin_unlock_bh(&ifq->rq_lock);
}
static void io_zcrx_refill_slow(struct page_pool *pp, struct io_zcrx_ifq *ifq)