Signed-off-by: Nikolay Borisov <nborisov@xxxxxxxx>
---
block/blk-mq.h | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/block/blk-mq.h b/block/blk-mq.h
index 3616453ca28c..f0079e177bba 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -17,12 +17,26 @@ struct blk_mq_ctxs {
*/
struct blk_mq_ctx {
struct {
+ /** @lock: Protects the rq_lists */
spinlock_t lock;
struct list_head rq_lists[HCTX_MAX_TYPES];
} ____cacheline_aligned_in_smp;
+ /**
+ * @cpu: id of cpu owning this context
+ */
unsigned int cpu;
+
+ /**
+ * @index_hw: Number of software queues mapped to the hw queue for each
+ * hardware queue type
+ */
unsigned short index_hw[HCTX_MAX_TYPES];
+
+ /**
+ * @hctxs: Hardware queue this queue maps to for each hardware queue
+ * type
+ */
struct blk_mq_hw_ctx *hctxs[HCTX_MAX_TYPES];
/* incremented at dispatch time */
@@ -32,6 +46,9 @@ struct blk_mq_ctx {
/* incremented at completion time */
unsigned long ____cacheline_aligned_in_smp rq_completed[2];
+ /**
+ * @queue: Pointer to the request queue that owns this software context.
+ */
struct request_queue *queue;
struct blk_mq_ctxs *ctxs;
struct kobject kobj;
--
2.25.1
