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(parent: 0e7be9e) | patch
ioprio: allow sys_ioprio_set() value of 0 to reset ioprio setting
authorJens Axboe <jens.axboe@oracle.com>
Wed, 7 Nov 2007 12:54:07 +0000 (13:54 +0100)
committerJens Axboe <jens.axboe@oracle.com>
Wed, 7 Nov 2007 12:54:07 +0000 (13:54 +0100)
commit8ec680e4c3ec818efd1652f15199ed1c216ab550
tree5f58d77e0661d720cbf1443aa5c1153ee930d37ctree | snapshot
parent0e7be9edb9134f833278c381b6feabb54b875208commit | diff
ioprio: allow sys_ioprio_set() value of 0 to reset ioprio setting

Normally io priorities follow the CPU nice, unless a specific scheduling
class has been set. Once that is set, there's no way to reset the
behaviour to 'none' so that it follows CPU nice again.

Currently passing in 0 as the ioprio class/value will return -1/EINVAL,
change that to allow resetting of a set scheduling class.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
fs/ioprio.c diff | blob | history
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