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 3.14-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-3.14 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-3.14/revert-mpt2sas-remove-phys-on-topology-change.patch queue-3.14/revert-mpt3sas-remove-phys-on-topology-change.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html