From: Tejun Heo <htejun@gmail.com>
Date: Tue, 20 Mar 2007 15:13:59 +0000 (+0900)
Subject: [SCSI] sd: implement START/STOP management
X-Git-Tag: v2.6.22-rc1~1015^2~44
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c3c94c5a2fb43a654e777f509d5032b0db8ed09f;p=pandora-kernel.git

[SCSI] sd: implement START/STOP management

Implement SBC START/STOP management.  sdev->mange_start_stop is added.
When it's set to one, sd STOPs the device on suspend and shutdown and
STARTs it on resume.  sdev->manage_start_stop defaults is in sdev
instead of scsi_disk cdev to allow ->slave_config() override the
default configuration but is exported under scsi_disk sysfs node as
sdev->allow_restart is.

When manage_start_stop is zero (the default value), this patch doesn't
introduce any behavior change.

Signed-off-by: Tejun Heo <htejun@gmail.com>

Rejections fixed and
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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