bfq_arm_slice_timer

Name:bfq_arm_slice_timer

Proto:static void bfq_arm_slice_timer(struct bfq_data *bfqd)

Type:void

Parameter:

Type	Parameter	Name
struct bfq_data *	bfqd

2957

bfqq = bfq_queue in service

2960

bfq_mark_bfqq_wait_request(bfqq)

2967

sl = maximum idling time

2978

If BFQQ_SEEKY(bfqq) && actor by which the weight of this queue is multiplied == 1 && Not The following function returns false either if every active queue* must receive the same share of the throughput (symmetric scenario),* or, as a special case, if bfqq must receive a share of the* throughput lower than or equal to the share that every Then sl = min_t - return minimum of two values, using the specified type*@type: data type to use*@x: first value*@y: second value(u64, sl, Below this threshold (in ns), we consider thinktime immediate. )

2981

Else if actor by which the weight of this queue is multiplied > 1 Then sl = max_t - return maximum of two values, using the specified type*@type: data type to use*@x: first value*@y: second value(u32, sl, 20ULL * NSEC_PER_MSEC)

2984

beginning of the last idle slice = ktime_get()

2985

last_idling_start_jiffies = jiffies

2987

hrtimer_start - (re)start an hrtimer*@timer: the timer to be added*@tim: expiry time*@mode: timer mode: absolute (HRTIMER_MODE_ABS) or* relative (HRTIMER_MODE_REL), and pinned (HRTIMER_MODE_PINNED);* softirq based mode is considered for debug purpose only!

2989

bfqg_stats_set_start_idle_time(bfqq_group(bfqq))

**Caller**
Name	Describe
bfq_completed_request

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