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block: avoid setting wbt_lat_usec to current value
authorAleksei Zakharov <zakharov.a.g@yandex.ru>
Mon, 11 Feb 2019 10:10:34 +0000 (13:10 +0300)
committerJens Axboe <axboe@kernel.dk>
Mon, 11 Feb 2019 15:20:14 +0000 (08:20 -0700)
commitd2cfa60ef65c32c42b4298f9d1439883698677e4
tree97680f2159fc96f58d83743844ab1b1d1f025cb1tree | snapshot
parentda8e307fe5248ab695739c95549168ad70e4ac8dcommit | diff
block: avoid setting wbt_lat_usec to current value

There's no reason to set wbt min lat and freeze request queue
if current value is the same.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Aleksei Zakharov <zakharov.a.g@yandex.ru>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-sysfs.c diff | blob | history
Linux Kernel Source Tree.