linux-kernel - [PATCH 03/11] cciss: Retry driver initiated cmds with unit attention condition

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Message-ID: <20091112184925.23389.54971.stgit@beardog.cce.hp.com>
Date:	Thu, 12 Nov 2009 12:49:25 -0600
From:	"Stephen M. Cameron" <scameron@...rdog.cce.hp.com>
To:	axboe@...nel.dk, akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org, mikem@...rdog.cce.hp.com,
	achiang@...com, brace@...rdog.cce.hp.com
Subject: [PATCH 03/11] cciss: Retry driver initiated cmds with unit attention
	condition

From: Stephen M. Cameron <scameron@...rdog.cce.hp.com>

cciss:  Retry driver initiated cmds with unit attention condition

Signed-off-by: Stephen M. Cameron <scameron@...rdog.cce.hp.com>
---
 drivers/block/cciss.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 81c2187..429b9b6 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -2531,6 +2531,8 @@ static int check_target_status(ctlr_info_t *h, CommandList_struct *c)
 		case 0: return IO_OK; /* no sense */
 		case 1: return IO_OK; /* recovered error */
 		default:
+			if (check_for_unit_attention(h, c))
+				return IO_NEEDS_RETRY;
 			printk(KERN_WARNING "cciss%d: cmd 0x%02x "
 				"check condition, sense key = 0x%02x\n",
 				h->ctlr, c->Request.CDB[0],

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