diff mbox series

block/switching-sched.txt: Update to blk-mq schedulers

Message ID 20190612065009.GA11361@suselix (mailing list archive)
State New, archived
Headers show
Series block/switching-sched.txt: Update to blk-mq schedulers | expand

Commit Message

Andreas Herrmann June 12, 2019, 6:50 a.m. UTC 
Remove references to CFQ and legacy block layer which are gone.
Update example with what's available under blk-mq.

Signed-off-by: Andreas Herrmann <aherrmann@suse.com>
---
 Documentation/block/switching-sched.txt | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

Comments

Jens Axboe June 13, 2019, 8:59 a.m. UTC | #1 
On 6/12/19 12:50 AM, Andreas Herrmann wrote:
> 
> Remove references to CFQ and legacy block layer which are gone.
> Update example with what's available under blk-mq.

Applied, thanks.
diff mbox series

Patch

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