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io_uring/notif: refactor io_tx_ubuf_complete()

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Flip the dec_and_test "if", that makes the function extension easier in
the future.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/43939e2b04dff03bff5d7227c98afedf951227b3.1713185320.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2024-04-15 13:50:11 +01:00 committed by Jens Axboe
parent 686b56cbee
commit 7e58d0af5a
1 changed files with 5 additions and 4 deletions
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5
io_uring/notif.c
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@ -37,10 +37,11 @@ static void io_tx_ubuf_callback(struct sk_buff *skb, struct ubuf_info *uarg,
WRITE_ONCE(nd->zc_copied, true); WRITE_ONCE(nd->zc_copied, true);
} }
if (refcount_dec_and_test(&uarg->refcnt)) { if (!refcount_dec_and_test(&uarg->refcnt))
return;
notif->io_task_work.func = io_notif_tw_complete; notif->io_task_work.func = io_notif_tw_complete;
__io_req_task_work_add(notif, IOU_F_TWQ_LAZY_WAKE); __io_req_task_work_add(notif, IOU_F_TWQ_LAZY_WAKE);
}
} }
struct io_kiocb *io_alloc_notif(struct io_ring_ctx *ctx) struct io_kiocb *io_alloc_notif(struct io_ring_ctx *ctx)