AcoSail/kernel_optimize_test
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aio: clear IOCB_HIPRI

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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>
This commit is contained in:
Christoph Hellwig 2018-11-22 16:44:07 +01:00 committed by Jens Axboe
parent 89d04ec349
commit 154989e45f
1 changed files with 8 additions and 3 deletions
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11
fs/aio.c
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@ -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;
@ -1446,7 +1445,13 @@ static int aio_prep_rw(struct kiocb *req, struct iocb *iocb)
ret = kiocb_set_rw_flags(req, iocb->aio_rw_flags);
if (unlikely(ret))
fput(req->ki_filp);
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;
}