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| author | Damien Le Moal <damien.lemoal@wdc.com> | 2018-11-20 10:52:36 +0900 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-11-19 19:03:47 -0700 |
| commit | 76dc891395dc61e92e2ff31b6161815ce5eb715b (patch) | |
| tree | ca1e6a9bb84a494609ddbb98475e42f48cf39553 /fs/aio.c | |
| parent | 64845a1ddd655574886eb48e9a5eaeeb9b05bf0d (diff) | |
| download | lwn-76dc891395dc61e92e2ff31b6161815ce5eb715b.tar.gz lwn-76dc891395dc61e92e2ff31b6161815ce5eb715b.zip | |
aio: Fix fallback I/O priority value
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>
Diffstat (limited to 'fs/aio.c')
| -rw-r--r-- | fs/aio.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -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)) |