From: Hannes Reinecke <hare@suse.de>
Date: Tue, 4 May 2010 14:49:21 +0000 (+0200)
Subject: [SCSI] Enable retries for SYNCRONIZE_CACHE commands to fix I/O error
X-Git-Tag: v2.6.34-rc7~1^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c213e1407be6b04b144794399a91472e0ef92aec;p=pandora-kernel.git

[SCSI] Enable retries for SYNCRONIZE_CACHE commands to fix I/O error

Some arrays are giving I/O errors with ext3 filesystems when
SYNCHRONIZE_CACHE gets a UNIT_ATTENTION.  What is happening is that
these commands have no retries, so the UNIT_ATTENTION causes the
barrier to fail.  We should be enable retries here to clear any
transient error and allow the barrier to succeed.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Cc: Stable Tree <stable@kernel.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---

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