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-rw-r--r--include/linux/blk-mq.h9
-rw-r--r--include/scsi/scsi_cmnd.h2
2 files changed, 11 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.
*/
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index ace15b5dc956..0cf2b5ccc1f7 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -75,6 +75,8 @@ struct scsi_cmnd {
int eh_eflags; /* Used by error handlr */
+ int budget_token;
+
/*
* This is set to jiffies as it was when the command was first
* allocated. It is used to time how long the command has