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| /openbmc/linux/drivers/scsi/ |
| H A D | scsi_debug.c | f7c4cdc7 Wed Aug 19 10:20:33 CDT 2020 John Garry <john.garry@huawei.com> scsi: scsi_debug: Support host tagset
When host_max_queue is set (> 0), set the Scsi_Host.host_tagset such that
blk-mq will use a hostwide tagset over all SCSI host submission queues.
This means that we may expose all submission queues and always use the hwq
chosen by blk-mq.
And since if sdebug_host_max_queue is set, sdebug_max_queue is fixed to the
same value, we can simplify how sdebug_driver_template.can_queue is set.
Signed-off-by: John Garry <john.garry@huawei.com>
Tested-by: Douglas Gilbert <dgilbert@interlog.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
f7c4cdc7 Wed Aug 19 10:20:33 CDT 2020 John Garry <john.garry@huawei.com> scsi: scsi_debug: Support host tagset
When host_max_queue is set (> 0), set the Scsi_Host.host_tagset such that
blk-mq will use a hostwide tagset over all SCSI host submission queues.
This means that we may expose all submission queues and always use the hwq
chosen by blk-mq.
And since if sdebug_host_max_queue is set, sdebug_max_queue is fixed to the
same value, we can simplify how sdebug_driver_template.can_queue is set.
Signed-off-by: John Garry <john.garry@huawei.com>
Tested-by: Douglas Gilbert <dgilbert@interlog.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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