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io_uring: don't delay io_init_req() error check 

Don't postpone io_init_req() error checks and do that right after
calling it. There is no control-flow statements or dependencies with
sqe/submitted accounting, so do those earlier, that makes the code flow
a bit more natural.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
zero-sugar-mainline-defconfig
Pavel Begunkov 2020-10-10 18:34:13 +01:00 committed by Jens Axboe
parent 062d04d731
commit 692d836351
1 changed files with 1 additions and 2 deletions
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3
fs/io_uring.c
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@ -6466,12 +6466,11 @@ static int io_submit_sqes(struct io_ring_ctx *ctx, unsigned int nr)
submitted = -EAGAIN;
break;
}
err = io_init_req(ctx, req, sqe, &state);
io_consume_sqe(ctx);
/* will complete beyond this point, count as submitted */
submitted++;
err = io_init_req(ctx, req, sqe, &state);
if (unlikely(err)) {
fail_req:
io_put_req(req);