From: Jens Axboe <axboe@suse.de>
Date: Wed, 24 Aug 2005 12:57:54 +0000 (+0200)
Subject: [PATCH] cfq-iosched.c: minor fixes
X-Git-Tag: v2.6.13~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9c2c38a122cc23d6a09b8004d60a33913683eedf;p=pandora-kernel.git

[PATCH] cfq-iosched.c: minor fixes

One critical fix and two minor fixes for 2.6.13-rc7:

- Max depth must currently be 2 to allow barriers to function on SCSI
- Prefer sync request over async in choosing the next request
- Never allow async request to preempt or disturb the "anticipation" for
  a single cfq process context. This is as-designed, the code right now
  is buggy in that area.

Signed-off-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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