函数逻辑报告

函数名称：If a previously inactive queue goes active, bump the active user count.* We need to do this before try to allocate driver tag, then even if fail* to get tag when first time, the other shared-tag users could reserve* budget for it.

函数原型：bool __blk_mq_tag_busy(struct blk_mq_hw_ctx *hctx)

返回类型：bool

参数：