summaryrefslogtreecommitdiffstats
path: root/include/linux/blk-mq.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/blk-mq.h')
-rw-r--r--include/linux/blk-mq.h21
1 files changed, 14 insertions, 7 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index b296a90..f3e5e1d 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -15,7 +15,7 @@ struct blk_mq_hw_ctx {
unsigned long state; /* BLK_MQ_S_* flags */
} ____cacheline_aligned_in_smp;
- struct work_struct run_work;
+ struct delayed_work run_work;
cpumask_var_t cpumask;
int next_cpu;
int next_cpu_batch;
@@ -51,8 +51,6 @@ struct blk_mq_hw_ctx {
atomic_t nr_active;
- struct delayed_work delay_work;
-
struct hlist_node cpuhp_dead;
struct kobject kobj;
@@ -81,7 +79,6 @@ struct blk_mq_tag_set {
struct blk_mq_queue_data {
struct request *rq;
- struct list_head *list;
bool last;
};
@@ -142,6 +139,14 @@ struct blk_mq_ops {
reinit_request_fn *reinit_request;
map_queues_fn *map_queues;
+
+#ifdef CONFIG_BLK_DEBUG_FS
+ /*
+ * Used by the debugfs implementation to show driver-specific
+ * information about a request.
+ */
+ void (*show_rq)(struct seq_file *m, struct request *rq);
+#endif
};
enum {
@@ -152,7 +157,6 @@ enum {
BLK_MQ_F_SHOULD_MERGE = 1 << 0,
BLK_MQ_F_TAG_SHARED = 1 << 1,
BLK_MQ_F_SG_MERGE = 1 << 2,
- BLK_MQ_F_DEFER_ISSUE = 1 << 4,
BLK_MQ_F_BLOCKING = 1 << 5,
BLK_MQ_F_NO_SCHED = 1 << 6,
BLK_MQ_F_ALLOC_POLICY_START_BIT = 8,
@@ -162,6 +166,7 @@ enum {
BLK_MQ_S_TAG_ACTIVE = 1,
BLK_MQ_S_SCHED_RESTART = 2,
BLK_MQ_S_TAG_WAITING = 3,
+ BLK_MQ_S_START_ON_RUN = 4,
BLK_MQ_MAX_DEPTH = 10240,
@@ -229,7 +234,7 @@ void blk_mq_add_to_requeue_list(struct request *rq, bool at_head,
void blk_mq_kick_requeue_list(struct request_queue *q);
void blk_mq_delay_kick_requeue_list(struct request_queue *q, unsigned long msecs);
void blk_mq_abort_requeue_list(struct request_queue *q);
-void blk_mq_complete_request(struct request *rq, int error);
+void blk_mq_complete_request(struct request *rq);
bool blk_mq_queue_stopped(struct request_queue *q);
void blk_mq_stop_hw_queue(struct blk_mq_hw_ctx *hctx);
@@ -238,13 +243,15 @@ void blk_mq_stop_hw_queues(struct request_queue *q);
void blk_mq_start_hw_queues(struct request_queue *q);
void blk_mq_start_stopped_hw_queue(struct blk_mq_hw_ctx *hctx, bool async);
void blk_mq_start_stopped_hw_queues(struct request_queue *q, bool async);
+void blk_mq_delay_run_hw_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs);
+void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async);
void blk_mq_run_hw_queues(struct request_queue *q, bool async);
void blk_mq_delay_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs);
void blk_mq_tagset_busy_iter(struct blk_mq_tag_set *tagset,
busy_tag_iter_fn *fn, void *priv);
void blk_mq_freeze_queue(struct request_queue *q);
void blk_mq_unfreeze_queue(struct request_queue *q);
-void blk_mq_freeze_queue_start(struct request_queue *q);
+void blk_freeze_queue_start(struct request_queue *q);
void blk_mq_freeze_queue_wait(struct request_queue *q);
int blk_mq_freeze_queue_wait_timeout(struct request_queue *q,
unsigned long timeout);
OpenPOWER on IntegriCloud