函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\backing-dev.c Create Date:2022-07-27 15:48:48
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：set_wb_congested

函数原型：void set_wb_congested(struct bdi_writeback_congested *congested, int sync)

返回类型：void

参数：

类型参数名称
struct bdi_writeback_congested *congested
intsync
1070  bit等于如果sync则 The sync queue is getting full 否则 The async (write) queue is getting full
1071  如果非st_and_set_bit - Set a bit and return its old value*@nr: Bit to set*@addr: Address to count from* This is an atomic fully-ordered operation (implied full memory barrier).则atomic_inc( & nr_wb_congested[sync])
调用者
名称描述
set_bdi_congested