From 95897910a5b8ecdc7e86ca2c38e21e84324c98bd Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oneukum@suse.de>
Date: Mon, 16 Sep 2013 13:28:15 +0200
Subject: [PATCH] [SCSI] sd: Add error handling during flushing caches

It makes no sense to flush the cache of a device without medium.
Errors during suspend must be handled according to their causes.
Errors due to missing media or unplugged devices must be ignored.
Errors due to devices being offlined must also be ignored.
The error returns must be modified so that the generic layer
understands them.

[jejb: fix up whitespace and other formatting problems]
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Reading git-format-patch failed