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aio: Fix fallback I/O priority value

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For cases when the application does not specify aio_reqprio for an aio,
fallback to use get_current_ioprio() to obtain the task I/O priority
last set using ioprio_set() rather than the hardcoded IOPRIO_CLASS_NONE
value.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Adam Manzanares <adam.manzanares@wdc.com>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Damien Le Moal 2018-11-20 10:52:36 +09:00 committed by Jens Axboe
parent 64845a1ddd
commit 76dc891395
1 changed files with 1 additions and 1 deletions
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2
fs/aio.c
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@ -1441,7 +1441,7 @@ static int aio_prep_rw(struct kiocb *req, struct iocb *iocb)
req->ki_ioprio = iocb->aio_reqprio;
} else
req->ki_ioprio = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_NONE, 0);
req->ki_ioprio = get_current_ioprio();
ret = kiocb_set_rw_flags(req, iocb->aio_rw_flags);
if (unlikely(ret))