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Diffstat (limited to 'include/linux/blk-mq.h')
-rw-r--r--include/linux/blk-mq.h13
1 files changed, 11 insertions, 2 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 2c473c9b8990..3bd3ee651143 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -306,12 +306,21 @@ struct blk_mq_ops {
* reserved budget. Also we have to handle failure case
* of .get_budget for avoiding I/O deadlock.
*/
- bool (*get_budget)(struct request_queue *);
+ int (*get_budget)(struct request_queue *);
/**
* @put_budget: Release the reserved budget.
*/
- void (*put_budget)(struct request_queue *);
+ void (*put_budget)(struct request_queue *, int);
+
+ /*
+ * @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.