From: Tejun Heo <tj@kernel.org>
To: Shaohua Li <shli@fb.com>
Cc: Christoph Hellwig <hch@lst.de>,
neilb@suse.de, linux-raid@vger.kernel.org, Kernel-team@fb.com,
dan.j.williams@intel.com,
"Martin K. Petersen" <martin.petersen@oracle.com>,
linux-ide@vger.kernel.org
Subject: Re: raid5-cache I/O path improvements
Date: Tue, 8 Sep 2015 13:02:26 -0400 [thread overview]
Message-ID: <20150908170226.GI13749@mtj.duckdns.org> (raw)
In-Reply-To: <20150908165611.GA371379@devbig257.prn2.facebook.com>
Hello,
On Tue, Sep 08, 2015 at 09:56:22AM -0700, Shaohua Li wrote:
> I'll benchmark on a SSD from another vendor, which supports FUA, but FUA
> write has poor performance in my last test.
lolwut? Was it slower than write + flush?
thanks.
--
tejun
next prev parent reply other threads:[~2015-09-08 17:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1441603250-5119-1-git-send-email-hch@lst.de>
[not found] ` <20150908002840.GA3196542@devbig257.prn2.facebook.com>
2015-09-08 6:12 ` raid5-cache I/O path improvements Christoph Hellwig
2015-09-08 15:25 ` Tejun Heo
2015-09-08 15:26 ` Tejun Heo
2015-09-08 15:40 ` Christoph Hellwig
2015-09-08 16:56 ` Shaohua Li
2015-09-08 17:02 ` Tejun Heo [this message]
2015-09-08 17:07 ` Shaohua Li
2015-09-08 17:34 ` Tejun Heo
2015-09-09 15:59 ` Christoph Hellwig
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