From: Mike Christie <michaelc@cs.wisc.edu>
Date: Fri, 16 Oct 2009 00:46:44 +0000 (-0700)
Subject: [SCSI] scsi error: have scsi-ml call change_queue_depth to handle QUEUE_FULL
X-Git-Tag: v2.6.33-rc1~344^2~138
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=42a6a91833f1e0f5ee5b5ef98e9f00167b615f46;p=pandora-kernel.git

[SCSI] scsi error: have scsi-ml call change_queue_depth to handle QUEUE_FULL

This has scsi-ml call the change_queue_depth functions when
we get a QUEUE_FULL. It will only change the queue depth if
change_queue_depth is set because the LLD may have to
modify some internal resources, so I thought this would
be the safest route.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>

-v2
Limits change_queue_depth to only all luns of target by adding
channel check while iterating for all luns of Scsi_Host. This is
same as currently qla2xxx FC HBA does on QUEUE_FULL event.

Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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