Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\blk-mq.c Create Date:2022-07-28 17:12:13
Last Modify:2020-03-17 23:18:05 Copyright©Brick
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Name:blk_mq_poll_stats_start

Proto:static void blk_mq_poll_stats_start(struct request_queue *q)

Type:void

Parameter:

TypeParameterName
struct request_queue *q
3324  If Not Determine whether a bit is set(collecting stats for hybrid polling , & * various queue flags, see QUEUE_* below) || lk_stat_is_active() - Check if a block statistics callback is currently* gathering statistics.*@cb: The callback. Then Return
3328  lk_stat_activate_msecs() - Gather block statistics during a time window in* milliseconds.*@cb: The callback.*@msecs: Number of milliseconds to gather statistics for.* The timer callback will be called when the window expires.
Caller
NameDescribe
__blk_mq_end_request