From: Kashyap, Desai <kashyap.desai@lsi.com>
Date: Tue, 5 Jul 2011 07:10:23 +0000 (+0530)
Subject: [SCSI] mpt2sas: WarpDrive Infinite command retries due to wrong scsi command entry... 
X-Git-Tag: v3.1-rc1~113^2~59
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=82a452581230b3ffc9d6475dffdb2568497b5fec;p=pandora-kernel.git

[SCSI] mpt2sas: WarpDrive Infinite command retries due to wrong scsi command entry in MPI message

Issue:

This issue is seen on LSI H/W WarpDrive SSS6200 When filed direct I/O
is tried as volume I/O the scmd field in internal lookup table get
cleared and because of that the retried volume I/O never gets reported
as completed to SML.

Result:

I/O timeout and Error handling thread will kicking off

Fix:

Setting back the scmd in the lookup table before retrying the failed
direct i/o

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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