From: Chandra Seetharaman <sekharan@us.ibm.com>
Date: Mon, 3 Aug 2009 19:42:33 +0000 (-0700)
Subject: [SCSI] scsi_dh: add the interface scsi_dh_set_params()
X-Git-Tag: v2.6.32-rc1~689^2~158
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=18ee70c9d7b2dcd312a1f8c6536841e7c0fea5ca;p=pandora-kernel.git

[SCSI] scsi_dh: add the interface scsi_dh_set_params()

When we moved the device handler functionality from dm layer to SCSI layer
we dropped the parameter functionality.

This path adds an interface to scsi dh layer to set device handler
parameters.

Basically, multipath layer need to create a string with all the parameters
and call scsi_dh_set_params() after it called scsi_dh_attach() on a
device.

If a device handler provides such an interface it will handle the parameters
as it expects them.

Reported-by: Eddie Williams <Eddie.Williams@steeleye.com>
Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Tested-by: Eddie Williams <Eddie.Williams@steeleye.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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