Asias He 67e18cf9ab
tcm_vhost: Multi-target support ...
In order to take advantages of Paolo's multi-queue virito-scsi, we need
multi-target support in tcm_vhost first. Otherwise all the requests go
to one queue and other queues are idle.
This patch makes:
1. All the targets under the wwpn is seen and can be used by guest.
2. No need to pass the tpgt number in struct vhost_scsi_target to
tcm_vhost.ko. Only wwpn is needed.
3. We can always pass max_target = 255 to guest now, since we abort the
request who's target id does not exist.
Changes in v2:
- Handle non-contiguous tpgt
Changes in v3:
- Simplfy lock in vhost_scsi_set_endpoint
- Return -EEXIST when does not match
Signed-off-by: Asias He <asias@redhat.com >
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org >
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Asias He
67e18cf9ab