From: Jens Axboe <axboe@kernel.dk>
To: Christoph Hellwig <hch@infradead.org>,
"Elliott, Robert (Server Storage)" <Elliott@hp.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
Wu Fengguang <fengguang.wu@intel.com>
Subject: Re: [PATCH] block: remove artifical max_hw_sectors cap
Date: Tue, 21 Oct 2014 14:02:26 -0600 [thread overview]
Message-ID: <5446BBD2.8040306@kernel.dk> (raw)
In-Reply-To: <20141017131247.GA16538@infradead.org>
On 10/17/2014 07:12 AM, Christoph Hellwig wrote:
> On Wed, Oct 01, 2014 at 02:12:58PM -0700, Christoph Hellwig wrote:
>> On Wed, Oct 01, 2014 at 06:59:34PM +0000, Elliott, Robert (Server Storage) wrote:
>>> One supporting example: A low limit interferes with creation of
>>> full stripe writes for RAID controllers.
>>
>> Yes, both Linux mdraid and parity raids are often crippled by the
>> default. The mdadm default of 512kb for each chunk combined with
>> the default limit very much guarantees a horrible out of the box
>> experience.
>
> Jens, can you apply this patch once the 3.19 queue opens?
Yup, lets get it applied.
--
Jens Axboe
prev parent reply other threads:[~2014-10-21 20:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-06 23:08 [PATCH] block: remove artifical max_hw_sectors cap Christoph Hellwig
2014-09-23 5:59 ` Christoph Hellwig
2014-10-01 13:08 ` Christoph Hellwig
2014-10-01 18:59 ` Elliott, Robert (Server Storage)
2014-10-01 21:12 ` Christoph Hellwig
2014-10-17 13:12 ` Christoph Hellwig
2014-10-21 20:02 ` Jens Axboe [this message]
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