From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Long Li <longli@exchange.microsoft.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>,
linux-scsi@vger.kernel.org,
"Martin K . Petersen" <martin.petersen@oracle.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
"James E . J . Bottomley" <JBottomley@odin.com>,
linux-kernel@vger.kernel.org, devel@linuxdriverproject.org
Subject: Re: [PATCH] storvsc: Avoid excessive host scan on controller change
Date: Mon, 06 Nov 2017 22:40:14 -0500 [thread overview]
Message-ID: <yq1o9oe3gf5.fsf@oracle.com> (raw)
In-Reply-To: <20171031215808.11629-1-longli@exchange.microsoft.com> (Long Li's message of "Tue, 31 Oct 2017 14:58:08 -0700")
Long,
> When there are multiple disks attached to the same SCSI controller,
> the host may send several VSTOR_OPERATION_REMOVE_DEVICE or
> VSTOR_OPERATION_ENUMERATE_BUS messages in a row, to indicate there is
> a change on the SCSI controller. In response, storvsc rescans the SCSI
> host.
Applied to 4.15/scsi-queue with some fuzz. Please verify, thanks!
--
Martin K. Petersen Oracle Linux Engineering
WARNING: multiple messages have this Message-ID (diff)
From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Long Li <longli@exchange.microsoft.com>
Cc: "K . Y . Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Stephen Hemminger <sthemmin@microsoft.com>,
"James E . J . Bottomley" <JBottomley@odin.com>,
"Martin K . Petersen" <martin.petersen@oracle.com>,
devel@linuxdriverproject.org, linux-scsi@vger.kernel.org,
linux-kernel@vger.kernel.org, Long Li <longli@microsoft.com>
Subject: Re: [PATCH] storvsc: Avoid excessive host scan on controller change
Date: Mon, 06 Nov 2017 22:40:14 -0500 [thread overview]
Message-ID: <yq1o9oe3gf5.fsf@oracle.com> (raw)
In-Reply-To: <20171031215808.11629-1-longli@exchange.microsoft.com> (Long Li's message of "Tue, 31 Oct 2017 14:58:08 -0700")
Long,
> When there are multiple disks attached to the same SCSI controller,
> the host may send several VSTOR_OPERATION_REMOVE_DEVICE or
> VSTOR_OPERATION_ENUMERATE_BUS messages in a row, to indicate there is
> a change on the SCSI controller. In response, storvsc rescans the SCSI
> host.
Applied to 4.15/scsi-queue with some fuzz. Please verify, thanks!
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2017-11-07 3:40 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-31 21:58 [PATCH] storvsc: Avoid excessive host scan on controller change Long Li
2017-11-06 18:01 ` Cathy Avery
2017-11-07 3:40 ` Martin K. Petersen [this message]
2017-11-07 3:40 ` Martin K. Petersen
2017-11-07 7:22 ` Long Li
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