函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\backing-dev.h Create Date:2022-07-27 10:09:42
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：wb_congested

函数原型：static inline int wb_congested(struct bdi_writeback *wb, int cong_bits)

返回类型：int

参数：

类型参数名称
struct bdi_writeback *wb
intcong_bits
176  bdi等于ur parent bdi
178  如果 Function pointer if device is md/dm 则返回: Function pointer if device is md/dm ( Pointer to aux data for congested func , cong_bits)
180  返回:Always use atomic bitops on this 按位与cong_bits
调用者
名称描述
inode_congested
bdi_congested