From: Jens Axboe <axboe@kernel.dk>
To: Jeff Moyer <jmoyer@redhat.com>
Cc: Vivek Goyal <vgoyal@redhat.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] cfq-iosched: don't allow aliased requests to starve others
Date: Sat, 24 Jul 2010 11:30:40 +0200 [thread overview]
Message-ID: <4C4AB2C0.6050300@kernel.dk> (raw)
In-Reply-To: <x49pqyejkyo.fsf@segfault.boston.devel.redhat.com>
On 07/23/2010 05:07 PM, Jeff Moyer wrote:
> Vivek Goyal <vgoyal@redhat.com> writes:
>> Also for my education purposes I was curious to know that why can't
>> we keep aliased requests in the service tree.
>
> You know, I dug back through the logs, and I didn't find any mention of
> that. The anticipatory scheduler used to allow such aliases, but then
> that support was removed in favor of a simpler approach. So, the reason
> may just be out of convenience.
There's no technical reason why we can't do that, at least it'll work in
the rbtree.
--
Jens Axboe
next prev parent reply other threads:[~2010-07-24 9:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-14 15:09 [PATCH] cfq-iosched: don't allow aliased requests to starve others Jeff Moyer
2010-07-14 19:01 ` Jeff Moyer
2010-07-23 4:25 ` Vivek Goyal
2010-07-23 15:07 ` Jeff Moyer
2010-07-23 16:17 ` Vivek Goyal
2010-07-24 9:30 ` Jens Axboe [this message]
2010-07-24 8:04 ` Heinz Diehl
2010-07-24 10:03 ` Jens Axboe
2010-07-26 13:17 ` Jeff Moyer
2010-08-02 11:54 ` Jens Axboe
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