From: Jens Axboe <axboe@kernel.dk>
To: Jan Kara <jack@suse.cz>
Cc: linux-block@vger.kernel.org, Jeff Moyer <jmoyer@redhat.com>
Subject: Re: [PATCH 0/4] cfq-iosched: Fixes for conversion from jiffies to ns
Date: Tue, 28 Jun 2016 08:22:21 -0600 [thread overview]
Message-ID: <5772881D.8000707@kernel.dk> (raw)
In-Reply-To: <1467097442-5400-1-git-send-email-jack@suse.cz>
On 06/28/2016 01:03 AM, Jan Kara wrote:
> Hi,
>
> Commit 9a7f38c42c2b (cfq-iosched: Convert from jiffies to nanoseconds)
> introduced couple of issues into cfq io scheduler. Most notably our QA
> runs within SUSE uncovered a regression in bonnie++ rewrite performance
> due to a broken condition detecting starved sync IO and further review
> unveiled other three mostly cosmetic issues (but still worth fixing).
>
> Jens, please queue these patches to avoid regressions when the above
> mentioned commit gets merged in the next merge window. If you want to
> fold them into the above commit, I'm fine with that as well. Thanks!
Thanks Jan, added for 4.8!
--
Jens Axboe
prev parent reply other threads:[~2016-06-28 14:22 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-28 7:03 [PATCH 0/4] cfq-iosched: Fixes for conversion from jiffies to ns Jan Kara
2016-06-28 7:03 ` [PATCH 1/4] block: Convert fifo_time from ulong to u64 Jan Kara
2016-06-28 7:04 ` [PATCH 2/4] cfq-iosched: Convert slice_resid from u64 to s64 Jan Kara
2016-06-28 7:04 ` [PATCH 3/4] cfq-iosched: Fix regression in bonnie++ rewrite performance Jan Kara
2016-06-28 7:04 ` [PATCH 4/4] cfq-iosched: Charge at least 1 jiffie instead of 1 ns Jan Kara
2016-06-28 14:22 ` Jens Axboe [this message]
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