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Message-Id: <1422483682-15393-81-git-send-email-kamal@canonical.com>
Date: Wed, 28 Jan 2015 14:20:23 -0800
From: Kamal Mostafa <kamal@...onical.com>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org,
kernel-team@...ts.ubuntu.com
Cc: Sreekanth Reddy <Sreekanth.Reddy@...gotech.com>,
Christoph Hellwig <hch@....de>,
Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.13.y-ckt 080/139] Revert "[SCSI] mpt2sas: Remove phys on topology change."
3.13.11-ckt15 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Sreekanth Reddy <sreekanth.reddy@...gotech.com>
commit 81a89c2d891b78695aa7e4cc0d5a7427785ae078 upstream.
This reverts commit 3520f9c779bed098ca76dd3fb6377264301d57ed
("mpt2sas: Remove phys on topology change")
Reverting the previous mpt2sas drives patch changes,
since we will observe below issue
Issue:
Drives connected Enclosure/Expander will unregister with
SCSI Transport Layer, if any one remove and add expander
cable with in DMD (Device Missing Delay) time period or
even any one power-off and power-on the Enclosure with in
the DMD period.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@...gotech.com>
Reviewed-by: Tomas Henzl <thenzl@...hat.com>
Signed-off-by: Christoph Hellwig <hch@....de>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
drivers/scsi/mpt2sas/mpt2sas_transport.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/scsi/mpt2sas/mpt2sas_transport.c b/drivers/scsi/mpt2sas/mpt2sas_transport.c
index 9d26637..396d78e 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_transport.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_transport.c
@@ -1006,12 +1006,9 @@ mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
&mpt2sas_phy->remote_identify);
_transport_add_phy_to_an_existing_port(ioc, sas_node,
mpt2sas_phy, mpt2sas_phy->remote_identify.sas_address);
- } else {
+ } else
memset(&mpt2sas_phy->remote_identify, 0 , sizeof(struct
sas_identify));
- _transport_del_phy_from_an_existing_port(ioc, sas_node,
- mpt2sas_phy);
- }
if (mpt2sas_phy->phy)
mpt2sas_phy->phy->negotiated_linkrate =
--
1.9.1
--
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