Re: [PATCH] virtio-scsi: Add vdrv->scan for post VIRTIO_CONFIG_S_DRIVER_OK LUN scanning

[James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>]

On Fri, 2012-07-06 at 20:15 +0000, Nicholas A. Bellinger wrote:
> From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
> 
> This patch changes virtio-scsi to use a new virtio_driver->scan() callback
> so that scsi_scan_host() can be properly invoked once virtio_dev_probe() has
> set add_status(dev, VIRTIO_CONFIG_S_DRIVER_OK) to signal active virtio-ring
> operation, instead of from within virtscsi_probe().
> 
> This fixes a bug where SCSI LUN scanning for both virtio-scsi-raw and
> virtio-scsi/tcm_vhost setups was happening before VIRTIO_CONFIG_S_DRIVER_OK
> had been set, causing VIRTIO_SCSI_S_BAD_TARGET to occur.  This fixes a bug
> with virtio-scsi/tcm_vhost where LUN scan was not detecting LUNs.
> 
> Tested with virtio-scsi-raw + virtio-scsi/tcm_vhost w/ IBLOCK on 3.5-rc2 code.
> 
> Reviewed-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> Cc: Stefan Hajnoczi <stefanha@xxxxxxxxxxxxxxxxxx>
> Cc: Zhi Yong Wu <wuzhy@xxxxxxxxxx>
> Cc: Christoph Hellwig <hch@xxxxxx>
> Cc: Hannes Reinecke <hare@xxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
> ---
>  drivers/scsi/virtio_scsi.c |   15 ++++++++++++---
>  drivers/virtio/virtio.c    |    5 ++++-
>  include/linux/virtio.h     |    1 +
>  3 files changed, 17 insertions(+), 4 deletions(-)

This doesn't apply:

patching file drivers/scsi/virtio_scsi.c
Hunk #1 succeeded at 677 (offset 196 lines).
Hunk #2 FAILED at 494.
Hunk #3 succeeded at 736 (offset 198 lines).
1 out of 3 hunks FAILED -- saving rejects to file
drivers/scsi/virtio_scsi.c.rej

could you respin against scsi-misc head?

Thanks,

James


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