From: Linus Torvalds <torvalds@linux-foundation.org>
To: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Christoph Hellwig <hch@infradead.org>,
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: Thu, 31 Jul 2014 10:07:55 -0700 [thread overview]
Message-ID: <CA+55aFzqKyM9_-KZsyABNFZcU3ECPCCFfyHmBrBiDzK3q02gLw@mail.gmail.com> (raw)
In-Reply-To: <1406823230.2970.946.camel@schen9-DESK>
On Thu, Jul 31, 2014 at 9:13 AM, Tim Chen <tim.c.chen@linux.intel.com> wrote:
> On Tue, 2014-07-29 at 17:12 -0700, Christoph Hellwig wrote:
>>
>> Can I get a tested-by tag from you for the patch? Can anyone else
>> please cross check it? The new total value might be different from
>> the old size value when we do a short write, but I can't see how
>> an async write would be a good thing if we had to finish the remainder
>> using buffered I/O if the old code really allowed that.
>>
>
> Yes, please put in
>
> Tested-by: Tim Chen <tim.c.chen@linux.intel.com>
> Tested-by: Suruchi Kadu <suruchi.a.kadu@intel.com>
Ok, good, patch looks fine. Christoph, do you have a commit message for it?
Linus
next prev parent reply other threads:[~2014-07-31 17:07 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
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 [this message]
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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