From: James Bottomley <jejb@linux.ibm.com>
To: Anjali Kulkarni <Anjali.K.Kulkarni@oracle.com>,
martin.petersen@oracle.com
Cc: linux-scsi@vger.kernel.org
Subject: Re: [PATCH] scsi: Avoid unnecessary iterations on __scsi_scan_target
Date: Fri, 26 Jun 2020 17:21:44 -0700 [thread overview]
Message-ID: <1593217304.10175.4.camel@linux.ibm.com> (raw)
In-Reply-To: <7917b23d-0222-d0c7-42a4-b3f18ac24ec2@oracle.com>
On Fri, 2020-06-26 at 17:17 -0700, Anjali Kulkarni wrote:
> Thanks James.
>
> This is on a VM on OCI cloud, using virtio scsi.
>
> Here is output of lspci on the VM:
>
> 00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma]
> (rev 02)
> 00:01.0 ISA bridge: Intel Corporation 82371SB PIIX3 ISA
> [Natoma/Triton II]
> 00:01.1 IDE interface: Intel Corporation 82371SB PIIX3 IDE
> [Natoma/Triton II]
> 00:01.2 USB controller: Intel Corporation 82371SB PIIX3 USB
> [Natoma/Triton II] (rev 01)
> 00:01.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 03)
> 00:02.0 VGA compatible controller: Device 1234:1111 (rev 02)
> 00:03.0 Ethernet controller: Red Hat, Inc. Virtio network device
> 00:04.0 SCSI storage controller: Red Hat, Inc. Virtio SCSI
I think the right thing to do would be to fix virtio-SCSI. It already
has the guest to host communication to know how many targets are
configured. There's shouldn't be any need to do scanning.
James
prev parent reply other threads:[~2020-06-27 0:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-26 23:53 [PATCH] scsi: Avoid unnecessary iterations on __scsi_scan_target Anjali Kulkarni
2020-06-27 0:03 ` James Bottomley
2020-06-27 0:17 ` Anjali Kulkarni
2020-06-27 0:21 ` James Bottomley [this message]
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