This is a note to let you know that I've just added the patch titled
Revert "[SCSI] mpt3sas: Remove phys on topology change"
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
revert-mpt3sas-remove-phys-on-topology-change.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 2311ce4d9c91ed63a46e18f0378f3e406e7e888e Mon Sep 17 00:00:00 2001
From: Sreekanth Reddy <sreekanth.reddy@xxxxxxxxxxxxx>
Date: Tue, 2 Dec 2014 20:58:47 +0530
Subject: Revert "[SCSI] mpt3sas: Remove phys on topology change"
From: Sreekanth Reddy <sreekanth.reddy@xxxxxxxxxxxxx>
commit 2311ce4d9c91ed63a46e18f0378f3e406e7e888e upstream.
This reverts commit 963ba22b90a955363644cd397b20226928eab976
("mpt3sas: Remove phys on topology change")
Reverting the previous mpt3sas 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@xxxxxxxxxxxxx>
Reviewed-by: Tomas Henzl <thenzl@xxxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/mpt3sas/mpt3sas_transport.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
--- a/drivers/scsi/mpt3sas/mpt3sas_transport.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_transport.c
@@ -1003,12 +1003,9 @@ mpt3sas_transport_update_links(struct MP
&mpt3sas_phy->remote_identify);
_transport_add_phy_to_an_existing_port(ioc, sas_node,
mpt3sas_phy, mpt3sas_phy->remote_identify.sas_address);
- } else {
+ } else
memset(&mpt3sas_phy->remote_identify, 0 , sizeof(struct
sas_identify));
- _transport_del_phy_from_an_existing_port(ioc, sas_node,
- mpt3sas_phy);
- }
if (mpt3sas_phy->phy)
mpt3sas_phy->phy->negotiated_linkrate =
Patches currently in stable-queue which might be from sreekanth.reddy@xxxxxxxxxxxxx are
queue-3.18/revert-mpt2sas-remove-phys-on-topology-change.patch
queue-3.18/revert-mpt3sas-remove-phys-on-topology-change.patch
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