From: Tim Chen <tim.c.chen@linux.intel.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>,
suruchi <suruchi.a.kadu@intel.com>, ak <ak@linux.intel.com>,
Dave Hansen <dave.hansen@intel.com>,
Matthew Wilcox <willy@linux.intel.com>,
"hubert.nueckel" <hubert.nueckel@intel.com>,
beth.marsh-prime@intel.com, "doug.nelson" <doug.nelson@intel.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>
Subject: Re: [Regression 3.16-rc kernel] -55% reduction in throughput for OLTP benchmark
Date: Tue, 29 Jul 2014 09:35:02 -0700 [thread overview]
Message-ID: <1406651702.2970.927.camel@schen9-DESK> (raw)
In-Reply-To: <20140729141908.GA4464@infradead.org>
On Tue, 2014-07-29 at 07:19 -0700, Christoph Hellwig wrote:
> Hi Tim,
>
> I think the problem is that sdio.size doesn't get set set with
> the new dio code. Please try the patch below to fix this by not
> relying on that field:
Thanks for your quick response. We'll test this patch and let you
know the results.
Tim
next prev parent reply other threads:[~2014-07-29 16:35 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-28 21:51 [Regression 3.16-rc kernel] -55% reduction in throughput for OLTP benchmark Tim Chen
2014-07-29 14:19 ` Christoph Hellwig
2014-07-29 16:35 ` Tim Chen [this message]
2014-07-29 16:49 ` Christoph Hellwig
2014-07-29 17:41 ` Tim Chen
2014-07-29 23:57 ` Tim Chen
2014-07-30 0:12 ` Christoph Hellwig
2014-07-31 16:13 ` Tim Chen
2014-07-31 17:07 ` Linus Torvalds
2014-07-31 17:10 ` Christoph Hellwig
2014-07-31 17:22 ` Linus Torvalds
2014-08-01 6:45 ` Al Viro
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