diff options
Diffstat (limited to 'block/blk-mq-tag.h')
| -rw-r--r-- | block/blk-mq-tag.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/block/blk-mq-tag.h b/block/blk-mq-tag.h index d1662734dc53..5cb51e53cc03 100644 --- a/block/blk-mq-tag.h +++ b/block/blk-mq-tag.h @@ -16,6 +16,7 @@ struct blk_mq_tags { struct sbitmap_queue breserved_tags; struct request **rqs; + struct request **static_rqs; struct list_head page_list; }; @@ -24,11 +25,12 @@ extern struct blk_mq_tags *blk_mq_init_tags(unsigned int nr_tags, unsigned int r extern void blk_mq_free_tags(struct blk_mq_tags *tags); extern unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data); -extern void blk_mq_put_tag(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx, - unsigned int tag); +extern void blk_mq_put_tag(struct blk_mq_hw_ctx *hctx, struct blk_mq_tags *tags, + struct blk_mq_ctx *ctx, unsigned int tag); extern bool blk_mq_has_free_tags(struct blk_mq_tags *tags); -extern ssize_t blk_mq_tag_sysfs_show(struct blk_mq_tags *tags, char *page); -extern int blk_mq_tag_update_depth(struct blk_mq_tags *tags, unsigned int depth); +extern int blk_mq_tag_update_depth(struct blk_mq_hw_ctx *hctx, + struct blk_mq_tags **tags, + unsigned int depth, bool can_grow); extern void blk_mq_tag_wakeup_all(struct blk_mq_tags *tags, bool); void blk_mq_queue_tag_busy_iter(struct request_queue *q, busy_iter_fn *fn, void *priv); @@ -83,4 +85,10 @@ static inline void blk_mq_tag_set_rq(struct blk_mq_hw_ctx *hctx, hctx->tags->rqs[tag] = rq; } +static inline bool blk_mq_tag_is_reserved(struct blk_mq_tags *tags, + unsigned int tag) +{ + return tag < tags->nr_reserved_tags; +} + #endif |