blk-throttle: choose a small throtl_slice for SSD

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The throtl_slice is 100ms by default. This is a long time for SSD, a lot
of IO can run. To make cgroups have smoother throughput, we choose a
small value (20ms) for SSD.

Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

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Shaohua Li 2017-03-27 10:51:38 -07:00 • committed by Jens Axboe

parent 297e3d8547

commit d61fcfa4bb

3 changed files with 24 additions and 3 deletions

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2

block/blk-sysfs.c

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23

block/blk-throttle.c

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2

block/blk.h

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