linux-kernel - [patch 43/55] target: Allow PERSISTENT RESERVE IN for non-reservation holder

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Message-Id: <20120210223444.046852600@clark.kroah.org>
Date:	Fri, 10 Feb 2012 14:33:47 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Marco Sanvido <marco@...estorage.com>,
	Roland Dreier <roland@...estorage.com>,
	Nicholas Bellinger <nab@...ux-iscsi.org>
Subject: [patch 43/55] target: Allow PERSISTENT RESERVE IN for non-reservation holder

3.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Marco Sanvido <marco@...estorage.com>

commit 6816966a8418b980481b4dced7eddd1796b145e8 upstream.

Initiators that aren't the active reservation holder should be able to
do a PERSISTENT RESERVE IN command in all cases, so add it to the list
of allowed CDBs in core_scsi3_pr_seq_non_holder().

Signed-off-by: Marco Sanvido <marco@...estorage.com>
Signed-off-by: Roland Dreier <roland@...estorage.com>
Signed-off-by: Nicholas Bellinger <nab@...ux-iscsi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/target/target_core_pr.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -471,6 +471,7 @@ static int core_scsi3_pr_seq_non_holder(
 	case READ_MEDIA_SERIAL_NUMBER:
 	case REPORT_LUNS:
 	case REQUEST_SENSE:
+	case PERSISTENT_RESERVE_IN:
 		ret = 0; /*/ Allowed CDBs */
 		break;
 	default:


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