Re: [PATCH V3 for 5.11 07/12] blk-mq: add callbacks for storing & retrieving budget token

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On 9/23/20 3:33 AM, Ming Lei wrote:
SCSI is the only driver which requires dispatch budget, and it isn't
fair to add one field into 'struct request' for storing budget token
which will be used in the following patches for improving scsi's device
busy scalability.

Cc: Omar Sandoval <osandov@xxxxxx>
Cc: Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>
Cc: Sumanesh Samanta <sumanesh.samanta@xxxxxxxxxxxx>
Cc: Ewan D. Milne <emilne@xxxxxxxxxx>
Cc: Hannes Reinecke <hare@xxxxxxx>
Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx>
---
  drivers/scsi/scsi_lib.c  | 18 ++++++++++++++++++
  include/linux/blk-mq.h   |  9 +++++++++
  include/scsi/scsi_cmnd.h |  2 ++
  3 files changed, 29 insertions(+)
Reviewed-by: Hannes Reinecke <hare@xxxxxxx>

Cheers,

Hannes
--
Dr. Hannes Reinecke                Kernel Storage Architect
hare@xxxxxxx                              +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
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