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 15:48:22
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：This function is used when the first inode for this wb is marked dirty

函数原型：void wb_wakeup_delayed(struct bdi_writeback *wb)

返回类型：void

参数：

类型参数名称
struct bdi_writeback *wb
272  timeout等于msecs_to_jiffies: - convert milliseconds to jiffies*@m: time in milliseconds* conversion is done as follows:* - negative values mean 'infinite timeout' (MAX_JIFFY_OFFSET)* - 'too large' values [that would result in larger than
273  spin_lock_bh( & protects work_list & dwork scheduling )
274  如果st_bit - Determine whether a bit is set*@nr: bit number to test*@addr: Address to start counting from则启动延迟工作队列
276  spin_unlock_bh( & protects work_list & dwork scheduling )
调用者
名称描述
__mark_inode_dirty__mark_inode_dirty - internal function*@inode: inode to mark*@flags: what kind of dirty (i
wb_workfnHandle writeback of dirty data for the device backed by this bdi. Also* reschedules periodically and does kupdated style flushing.