[PATCH 6/6] virtio-scsi: Set shost->max_id=1 for tcm_vhost WWPNs
From: Nicholas A. Bellinger <hidden>
Date: 2012-07-04 04:24:06
Subsystem:
scsi subsystem, the rest, virtio block and scsi drivers · Maintainers:
"James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds, "Michael S. Tsirkin", Jason Wang
Possibly related (same subject, not in this thread)
- 2012-07-05 · Re: [PATCH 6/6] virtio-scsi: Set shost->max_id=1 for tcm_vhost WWPNs · Paolo Bonzini <pbonzini@redhat.com>
- 2012-07-05 · Re: [PATCH 6/6] virtio-scsi: Set shost->max_id=1 for tcm_vhost WWPNs · Nicholas A. Bellinger <hidden>
- 2012-07-04 · Re: [PATCH 6/6] virtio-scsi: Set shost->max_id=1 for tcm_vhost WWPNs · Paolo Bonzini <pbonzini@redhat.com>
From: Nicholas Bellinger <redacted> This is currently required for connecting to tcm_vhost in order to prevent the client LUN scan from detecting the same tcm_vhost WWPN on multiple target IDs. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Stefan Hajnoczi <redacted> Cc: Zhi Yong Wu <redacted> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.de> Signed-off-by: Nicholas Bellinger <redacted> --- drivers/scsi/virtio_scsi.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 391b30d..8711951 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c@@ -475,7 +475,10 @@ static int __devinit virtscsi_probe(struct virtio_device *vdev) shost->cmd_per_lun = min_t(u32, cmd_per_lun, shost->can_queue); shost->max_sectors = virtscsi_config_get(vdev, max_sectors) ?: 0xFFFF; shost->max_lun = virtscsi_config_get(vdev, max_lun) + 1; - shost->max_id = virtscsi_config_get(vdev, max_target) + 1; + /* + * Currently required for tcm_vhost to function.. + */ + shost->max_id = 1; shost->max_channel = 0; shost->max_cmd_len = VIRTIO_SCSI_CDB_SIZE; err = scsi_add_host(shost, &vdev->dev);
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1.7.2.5