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blk-iocost: make ioc_now->now and ioc->period_at 64bit
authorTejun Heo <tj@kernel.org>
Tue, 1 Sep 2020 18:52:40 +0000 (14:52 -0400)
committerJens Axboe <axboe@kernel.dk>
Wed, 2 Sep 2020 01:38:32 +0000 (19:38 -0600)
commit45f4fe84341715b12733cb80189854612e704008
tree87aab92722d434d011a1e8a54c90064fc27570f2tree | snapshot
parent967dd5632b0d15d7d70dbb03894e968994d18423commit | diff
blk-iocost: make ioc_now->now and ioc->period_at 64bit

They are in microseconds and wrap in around 1.2 hours with u32. While
unlikely, confusions from wraparounds are still possible. We aren't saving
anything meaningful by keeping these u32. Let's make them u64.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-iocost.c diff | blob | history
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