From: Neil Brown <neilb@suse.de>
To: Shaohua Li <shli@fb.com>, Christoph Hellwig <hch@lst.de>
Cc: dan.j.williams@intel.com, Kernel-team@fb.com, linux-raid@vger.kernel.org
Subject: Re: raid5-cache I/O path improvements V3
Date: Thu, 08 Oct 2015 13:45:02 +1100 [thread overview]
Message-ID: <87k2qy6pu9.fsf@notabene.neil.brown.name> (raw)
In-Reply-To: <20151006181335.GA3367313@devbig084.prn1.facebook.com>
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Shaohua Li <shli@fb.com> writes:
> On Mon, Oct 05, 2015 at 09:31:05AM +0200, Christoph Hellwig wrote:
>> Hi Shaohua, hi Neil,
>>
>> this series contains a few updates to the raid5-cache feature, and goes
>> on top of dm/devel + the series Shaohua sent yesterday.
>>
>> Besides the rebase the only changes compared to the previous version
>> is that we only bypasss the batch and flush state for devices that
>> do not have a volatile cache at all like persistent memory or high
>> performance flash devices.
>
> Thanks Christoph, patches look great.
>
> Reviewed-by: Shaohua Li <shli@fb.com>
Thanks. I've applied all these (fixing up minor conflict due to an
earlier patch I didn't accept yet). They are all in my 'devel' branch.
Thanks,
NeilBrown
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prev parent reply other threads:[~2015-10-08 2:45 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-05 7:31 raid5-cache I/O path improvements V3 Christoph Hellwig
2015-10-05 7:31 ` [PATCH 01/11] raid5-cache: free I/O units earlier Christoph Hellwig
2015-10-05 7:31 ` [PATCH 02/11] raid5-cache: rename flushed_ios to finished_ios Christoph Hellwig
2015-10-05 7:31 ` [PATCH 03/11] raid5-cache: factor out a helper to run all stripes for an I/O unit Christoph Hellwig
2015-10-05 7:31 ` [PATCH 04/11] raid5-cache: simplify state machine when caches flushes are not needed Christoph Hellwig
2015-10-05 7:31 ` [PATCH 05/11] raid5-cache: clean up r5l_get_meta Christoph Hellwig
2015-10-05 7:31 ` [PATCH 06/11] raid5-cache: refactor bio allocation Christoph Hellwig
2015-10-05 7:31 ` [PATCH 07/11] raid5-cache: take rdev->data_offset into account early on Christoph Hellwig
2015-10-05 7:31 ` [PATCH 08/11] raid5-cache: inline r5l_alloc_io_unit into r5l_new_meta Christoph Hellwig
2015-10-05 7:31 ` [PATCH 09/11] raid5-cache: new helper: r5_reserve_log_entry Christoph Hellwig
2015-10-05 7:31 ` [PATCH 10/11] raid5-cache: small log->seq cleanup Christoph Hellwig
2015-10-05 7:31 ` [PATCH 11/11] raid5-cache: use bio chaining Christoph Hellwig
2015-10-06 18:14 ` raid5-cache I/O path improvements V3 Shaohua Li
2015-10-08 2:45 ` Neil Brown [this message]
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