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| author | Ming Lei <ming.lei@redhat.com> | 2021-01-22 05:33:11 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-03-05 01:36:59 +0300 |
| commit | d022d18c045fc2ccf92d0f14cf80f98eb0a8e119 (patch) | |
| tree | 7088d1e6e3b1e9c37a75650be2c201be82f25277 /include/linux/blk-mq.h | |
| parent | 2d13b1ea9f4affdaa7af0e0e4a1358d28f80c54f (diff) | |
| download | linux-d022d18c045fc2ccf92d0f14cf80f98eb0a8e119.tar.xz | |
scsi: blk-mq: Add callbacks for storing & retrieving budget token
Since SCSI is the only driver which requires dispatch budget move the token
from struct request to struct scsi_cmnd.
Link: https://lore.kernel.org/r/20210122023317.687987-8-ming.lei@redhat.com
Cc: Omar Sandoval <osandov@fb.com>
Cc: Kashyap Desai <kashyap.desai@broadcom.com>
Cc: Sumanesh Samanta <sumanesh.samanta@broadcom.com>
Cc: Ewan D. Milne <emilne@redhat.com>
Cc: Hannes Reinecke <hare@suse.de>
Tested-by: Sumanesh Samanta <sumanesh.samanta@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/linux/blk-mq.h')
| -rw-r--r-- | include/linux/blk-mq.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 2c473c9b8990..5fae401f083d 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -313,6 +313,15 @@ struct blk_mq_ops { */ void (*put_budget)(struct request_queue *); + /* + * @set_rq_budget_toekn: store rq's budget token + */ + void (*set_rq_budget_token)(struct request *, int); + /* + * @get_rq_budget_toekn: retrieve rq's budget token + */ + int (*get_rq_budget_token)(struct request *); + /** * @timeout: Called on request timeout. */ |