From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH 0/5] xfs: various log stuff...
Date: Mon, 1 Feb 2021 12:39:43 +0000 [thread overview]
Message-ID: <20210201123943.GA3281245@infradead.org> (raw)
In-Reply-To: <20210128044154.806715-1-david@fromorbit.com>
On Thu, Jan 28, 2021 at 03:41:49PM +1100, Dave Chinner wrote:
> Hi folks,
>
> Quick patch dump for y'all. A couple of minor cleanups to the
> log behaviour, a fix for the CIL throttle hang and a couple of
> patches to rework the cache flushing that journal IO does to reduce
> the number of cache flushes by a couple of orders of magnitude.
>
> All passes fstests with no regressions, no performance regressions
> from fsmark, dbench and various fio workloads, some big gains even
> on fast storage.
Can you elaborate on the big gains? Workloads for one, but also
what kind of storage. For less FUA/flush to matter the device needs
to have a write cache, which none of the really fast SSDs even has.
So I'd only really expect gains from that on consumer grade SSDs and
hard drives.
next prev parent reply other threads:[~2021-02-01 12:40 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-28 4:41 [PATCH 0/5] xfs: various log stuff Dave Chinner
2021-01-28 4:41 ` [PATCH 1/5] xfs: log stripe roundoff is a property of the log Dave Chinner
2021-01-28 14:57 ` Brian Foster
2021-01-28 20:59 ` Dave Chinner
2021-01-28 21:25 ` Darrick J. Wong
2021-01-28 22:00 ` Dave Chinner
2021-01-28 4:41 ` [PATCH 2/5] xfs: separate CIL commit record IO Dave Chinner
2021-01-28 15:07 ` Brian Foster
2021-01-28 21:22 ` Dave Chinner
[not found] ` <20210129145851.GB2660974@bfoster>
2021-01-29 22:25 ` Dave Chinner
2021-02-01 16:07 ` Brian Foster
2021-01-30 9:13 ` Chandan Babu R
2021-02-01 12:59 ` Christoph Hellwig
2021-01-28 4:41 ` [PATCH 3/5] xfs: journal IO cache flush reductions Dave Chinner
2021-01-28 15:12 ` Brian Foster
2021-01-28 21:46 ` Dave Chinner
2021-01-28 21:26 ` Dave Chinner
2021-01-30 12:56 ` Chandan Babu R
2021-01-28 4:41 ` [PATCH 4/5] xfs: Fix CIL throttle hang when CIL space used going backwards Dave Chinner
2021-01-28 16:53 ` Brian Foster
2021-02-02 5:52 ` Chandan Babu R
2021-02-17 11:33 ` Paul Menzel
2021-02-17 21:06 ` Donald Buczek
2021-01-28 4:41 ` [PATCH 5/5] xfs: reduce buffer log item shadow allocations Dave Chinner
2021-01-28 16:54 ` Brian Foster
2021-01-28 21:58 ` Dave Chinner
2021-02-02 12:01 ` Chandan Babu R
2021-02-01 12:39 ` Christoph Hellwig [this message]
2021-02-03 21:20 ` [PATCH 0/5] xfs: various log stuff Dave Chinner
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