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-rw-r--r--drivers/scsi/scsi_lib.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 7d52a11e1b61..02da34ab335d 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1642,6 +1642,20 @@ static bool scsi_mq_get_budget(struct request_queue *q)
return false;
}
+static void scsi_mq_set_rq_budget_token(struct request *req, int token)
+{
+ struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req);
+
+ cmd->budget_token = token;
+}
+
+static int scsi_mq_get_rq_budget_token(struct request *req)
+{
+ struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req);
+
+ return cmd->budget_token;
+}
+
static blk_status_t scsi_queue_rq(struct blk_mq_hw_ctx *hctx,
const struct blk_mq_queue_data *bd)
{
@@ -1856,6 +1870,8 @@ static const struct blk_mq_ops scsi_mq_ops_no_commit = {
.cleanup_rq = scsi_cleanup_rq,
.busy = scsi_mq_lld_busy,
.map_queues = scsi_map_queues,
+ .set_rq_budget_token = scsi_mq_set_rq_budget_token,
+ .get_rq_budget_token = scsi_mq_get_rq_budget_token,
};
@@ -1884,6 +1900,8 @@ static const struct blk_mq_ops scsi_mq_ops = {
.cleanup_rq = scsi_cleanup_rq,
.busy = scsi_mq_lld_busy,
.map_queues = scsi_map_queues,
+ .set_rq_budget_token = scsi_mq_set_rq_budget_token,
+ .get_rq_budget_token = scsi_mq_get_rq_budget_token,
};
struct request_queue *scsi_mq_alloc_queue(struct scsi_device *sdev)