blk_mq_timeout_work

Name:blk_mq_timeout_work

Proto:static void blk_mq_timeout_work(struct work_struct *work)

Type:void

Parameter:

Type	Parameter	Name
struct work_struct *	work

898

q = container_of - cast a member of a structure out to the containing structure*@ptr: the pointer to the member.*@type: the type of the container struct this is embedded in.*@member: the name of the member within the struct.(work, structrequest_queue, timeout_work)

900

next = 0

917

If Not percpu_ref_tryget - try to increment a percpu refcount*@ref: percpu_ref to try-get* Increment a percpu refcount unless its count already reached zero.* Returns %true on success; %false on failure. Then Return

920

lk_mq_queue_tag_busy_iter - iterate over all requests with a driver tag*@q: Request queue to examine

922

If next != 0 Then

923

mod_timer - modify a timer's timeout*@timer: the timer to be modified*@expires: new timeout in jiffies* mod_timer() is a more efficient way to update the expire field of an* active timer (if the timer is inactive it will be activated)* mod_timer(timer,

924

Else

933

If blk_mq_hw_queue_mapped(hctx) Then blk_mq_tag_idle(hctx)

937

blk_queue_exit(q)

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