linux-kernel - [PATCH 3/6] [Target_Core_Mod]: Update FILEIO and RAMDISK subsystem plugins to SPC-3 revision identifer

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Message-Id: <1233907174.12375.361.camel@haakon2.linux-iscsi.org>
Date:	Thu, 05 Feb 2009 23:59:34 -0800
From:	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>
To:	LKML <linux-kernel@...r.kernel.org>,
	linux-scsi <linux-scsi@...r.kernel.org>
Cc:	Douglas Gilbert <dgilbert@...erlog.com>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mike Christie <michaelc@...wisc.edu>,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	Hannes Reinecke <hare@...e.de>, Christoph Hellwig <hch@....de>,
	"Ross S. W. Walker" <rswwalker@...il.com>,
	Arne Redlich <agr@...erkom-dd.de>,
	Rafiu Fakunle <rafiu@...nfiler.com>
Subject: [PATCH 3/6] [Target_Core_Mod]: Update FILEIO and RAMDISK subsystem
	plugins to SPC-3 revision identifer

>>From 848969be2f3ea81949fbb2ff33774b1b7f9db981 Mon Sep 17 00:00:00 2001
From: Nicholas Bellinger <nab@...ux-iscsi.org>
Date: Thu, 5 Feb 2009 23:15:52 -0800
Subject: [PATCH 3/6] [Target_Core_Mod]: Update FILEIO and RAMDISK subsystem plugins to SPC-3 revision identifer

This patch enables ILEIO and RAMDISK subsystem plugins to use the generic
PERSISTENT_RESERVATION and ALUA logic in Target_Core_Mod/ConfigFS.

At a later date a given $STORAGE_OBJECT will be able to be changed back to
emulated SPC-2 operation via configfs in /sys/kernel/config/target/core/$HBA/$DEV/attrib/
for legacy SPC-2 operation.

Signed-off-by: Nicholas A. Bellinger <nab@...ux-iscsi.org>
---
 drivers/lio-core/target_core_file.c |    2 +-
 drivers/lio-core/target_core_rd.c   |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/lio-core/target_core_file.c b/drivers/lio-core/target_core_file.c
index 156090a..12faa15 100644
--- a/drivers/lio-core/target_core_file.c
+++ b/drivers/lio-core/target_core_file.c
@@ -1176,7 +1176,7 @@ extern u32 fd_get_blocksize (se_device_t *dev)
  */
 extern u32 fd_get_device_rev (se_device_t *dev)
 {
-	return(SCSI_2); 
+	return(SCSI_SPC_2); // Returns SPC-3 in Initiator Data
 }
 
 /*	fd_get_device_type(): (Part of se_subsystem_api_t template)
diff --git a/drivers/lio-core/target_core_rd.c b/drivers/lio-core/target_core_rd.c
index d6e4596..1c263cc 100644
--- a/drivers/lio-core/target_core_rd.c
+++ b/drivers/lio-core/target_core_rd.c
@@ -1346,7 +1346,7 @@ extern u32 rd_get_blocksize (se_device_t *dev)
 
 extern u32 rd_get_device_rev (se_device_t *dev)
 {
-	return(SCSI_2);
+	return(SCSI_SPC_2); // Returns SPC-3 in Initiator Data
 }
 
 extern u32 rd_get_device_type (se_device_t *dev)
-- 
1.5.4.1



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