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authorJan Kara <jack@suse.cz>2016-06-28 09:04:02 +0200
committerJens Axboe <axboe@fb.com>2016-06-28 16:21:50 +0200
commit0b31c10c667b774e6d373c8f1146c93cff21a0cd (patch)
treeb0f97fc830aa349da4c46f6874f8a24888b5fa71 /Documentation/block
parentcfq-iosched: Fix regression in bonnie++ rewrite performance (diff)
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cfq-iosched: Charge at least 1 jiffie instead of 1 ns
Commit 9a7f38c42c2b (cfq-iosched: Convert from jiffies to nanoseconds) could result in charging just 1 ns to a cgroup submitting IO instead of 1 jiffie we always charged before. It is arguable what is the right amount to change but for now lets retain the old behavior of always charging at least one jiffie. Fixes: 9a7f38c42c2b92391d9dabaf9f51df7cfe5608e4 Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Jens Axboe <axboe@fb.com>
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