函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\page-writeback.c Create Date:2022-07-27 15:33:31
Last Modify:2022-05-23 13:25:58 Copyright©Brick
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函数名称：domain_update_bandwidth

函数原型：static void domain_update_bandwidth(struct dirty_throttle_control *dtc, unsigned long now)

返回类型：void

参数：

类型参数名称
struct dirty_throttle_control *dtc
unsigned longnow
1165  dom等于dtc_dom(dtc)
1170  如果time_before(now, The dirtyable memory and dirty threshold could be suddenly* knocked down by a large amount (eg + Estimate write bandwidth at 200ms intervals.)则返回
1173  加自旋锁
1174  如果time_after_eq(now, The dirtyable memory and dirty threshold could be suddenly* knocked down by a large amount (eg + Estimate write bandwidth at 200ms intervals.)则
1175  update_dirty_limit(dtc)
1176  The dirtyable memory and dirty threshold could be suddenly* knocked down by a large amount (eg等于now
1178  自旋锁解锁
调用者
名称描述
__wb_update_bandwidth