blk_mq_get_dispatch

函数名称：blk_mq_get_dispatch_budget

函数原型：static inline bool blk_mq_get_dispatch_budget(struct blk_mq_hw_ctx *hctx)

返回类型：bool

参数：

类型	参数	名称
struct blk_mq_hw_ctx *	hctx

**调用者**
名称	描述
blk_mq_dispatch_rq_list	Returns true if we did some work AND can potentially do more.
__blk_mq_try_issue_directly
blk_mq_do_dispatch_sched	Only SCSI implements .get_budget and .put_budget, and SCSI restarts* its queue by itself in its completion handler, so we don't need to* restart queue if .get_budget() returns BLK_STS_NO_RESOURCE.
blk_mq_do_dispatch_ctx	Only SCSI implements .get_budget and .put_budget, and SCSI restarts* its queue by itself in its completion handler, so we don't need to* restart queue if .get_budget() returns BLK_STS_NO_RESOURCE.

函数逻辑报告