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author | Pablo Neira Ayuso <pablo@netfilter.org> | 2019-06-25 01:32:59 +0200 |
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committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2019-06-25 01:32:59 +0200 |
commit | 1c5ba67d2277ac2faf37c61076e8b5fa312be492 (patch) | |
tree | a645a1a2f7aea7faafcd67c6ba1bfd424b95cd7d /Documentation/block/switching-sched.txt | |
parent | dbb5281a1f84b2f93032d4864c211ce8a20811a7 (diff) | |
parent | 045df37e743c7448931131988e99e8fe0cc92a54 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Resolve conflict between d2912cb15bdd ("treewide: Replace GPLv2
boilerplate/reference with SPDX - rule 500") removing the GPL disclaimer
and fe03d4745675 ("Update my email address") which updates Jozsef
Kadlecsik's email.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'Documentation/block/switching-sched.txt')
-rw-r--r-- | Documentation/block/switching-sched.txt | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/Documentation/block/switching-sched.txt b/Documentation/block/switching-sched.txt index 3b2612e342f1..7977f6fb8b20 100644 --- a/Documentation/block/switching-sched.txt +++ b/Documentation/block/switching-sched.txt @@ -13,11 +13,9 @@ you can do so by typing: # mount none /sys -t sysfs -As of the Linux 2.6.10 kernel, it is now possible to change the -IO scheduler for a given block device on the fly (thus making it possible, -for instance, to set the CFQ scheduler for the system default, but -set a specific device to use the deadline or noop schedulers - which -can improve that device's throughput). +It is possible to change the IO scheduler for a given block device on +the fly to select one of mq-deadline, none, bfq, or kyber schedulers - +which can improve that device's throughput. To set a specific scheduler, simply do this: @@ -30,8 +28,8 @@ The list of defined schedulers can be found by simply doing a "cat /sys/block/DEV/queue/scheduler" - the list of valid names will be displayed, with the currently selected scheduler in brackets: -# cat /sys/block/hda/queue/scheduler -noop deadline [cfq] -# echo deadline > /sys/block/hda/queue/scheduler -# cat /sys/block/hda/queue/scheduler -noop [deadline] cfq +# cat /sys/block/sda/queue/scheduler +[mq-deadline] kyber bfq none +# echo none >/sys/block/sda/queue/scheduler +# cat /sys/block/sda/queue/scheduler +[none] mq-deadline kyber bfq |