From: Tejun Heo <htejun@gmail.com>
Date: Sun, 2 Apr 2006 09:51:53 +0000 (+0900)
Subject: [PATCH] libata: pass qc around intead of ap during PIO
X-Git-Tag: v2.6.18-rc1~1079^2~142
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c91af2c87e4048cdefcfc9f16fed8d728243c92d;p=pandora-kernel.git

[PATCH] libata: pass qc around intead of ap during PIO

The current code passes pointer to ap around and repeatedly performs
ata_qc_from_tag() to access the ongoing qc.  This is unnatural and
makes EH synchronization cumbersome.  Make PIO codes deal with qc
instead of ap.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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