aio: clear IOCB_HIPRI (154989e4) · Commits · 戴 / test

No one is going to poll for aio (yet), so we must clear the HIPRI flag, as we would otherwise send it down the poll queues, where no one will be polling for completions. Signed-off-by:

Christoph Hellwig <hch@lst.de> IOCB_HIPRI, not RWF_HIPRI. Reviewed-by:

Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by:

Jens Axboe <axboe@kernel.dk>

fs/aio.c

+8 −3

Original line number	Diff line number	Diff line
		@@ -1436,8 +1436,7 @@ static int aio_prep_rw(struct kiocb req, struct iocb iocb)
		ret = ioprio_check_cap(iocb->aio_reqprio);
		if (ret) {
		pr_debug("aio ioprio check cap error: %d\n", ret);
		fput(req->ki_filp);
		return ret;
		goto out_fput;
		}

		req->ki_ioprio = iocb->aio_reqprio;
		@@ -1446,6 +1445,12 @@ static int aio_prep_rw(struct kiocb req, struct iocb iocb)

		ret = kiocb_set_rw_flags(req, iocb->aio_rw_flags);
		if (unlikely(ret))
		goto out_fput;

		req->ki_flags &= ~IOCB_HIPRI; /* no one is going to poll for this I/O */
		return 0;

		out_fput:
		fput(req->ki_filp);
		return ret;
		}

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