blk-iocost: use local[64]_t for percpu stat

Browse source

blk-iocost has been reading percpu stat counters from remote cpus which on
some archs can lead to torn reads in really rare occassions. Use local[64]_t
for those counters.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

...

This commit is contained in:

Tejun Heo 2020-09-01 14:52:33 -04:00 • committed by Jens Axboe

parent 1f06959bd2

commit 5e124f7432

1 changed files with 27 additions and 10 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

37

block/blk-iocost.c

View file