On 11.03.21 г. 10:17, Nikolay Borisov wrote:
> Signed-off-by: Nikolay Borisov <nborisov@xxxxxxxx>
Ping
> ---
> 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;
>
