linux-kernel - [PATCH 2/2] hpsa: do not consider RAID level to be part of device identity

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Message-ID: <20101216190103.545.97018.stgit@beardog.cce.hp.com>
Date:	Thu, 16 Dec 2010 13:01:03 -0600
From:	"Stephen M. Cameron" <scameron@...rdog.cce.hp.com>
To:	james.bottomley@...senpartnership.com
Cc:	linux-scsi@...r.kernel.org, mike.miller@...com,
	linux-kernel@...r.kernel.org, thenzl@...hat.com,
	akpm@...ux-foundation.org, smcameron@...oo.com
Subject: [PATCH 2/2] hpsa: do not consider RAID level to be part of device
	identity

From: Stephen M. Cameron <StephenM.Cameron>

Otherwise, after doing a RAID level migration, the disk will be
disruptively removed and re-added as a different disk on rescan.

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

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index a2408e5..12deffc 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -657,8 +657,6 @@ static inline int device_is_the_same(struct hpsa_scsi_dev_t *dev1,
 		return 0;
 	if (dev1->devtype != dev2->devtype)
 		return 0;
-	if (dev1->raid_level != dev2->raid_level)
-		return 0;
 	if (dev1->bus != dev2->bus)
 		return 0;
 	return 1;

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