Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\fs-writeback.c Create Date:2022-07-28 20:10:48
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:wb_wakeup

Proto:static void wb_wakeup(struct bdi_writeback *wb)

Type:void

Parameter:

TypeParameterName
struct bdi_writeback *wb
154  spin_lock_bh( & protects work_list & dwork scheduling )
155  If st_bit - Determine whether a bit is set*@nr: bit number to test*@addr: Address to start counting from Then mod_delayed_work - modify delay of or queue a delayed work*@wq: workqueue to use*@dwork: work to queue*@delay: number of jiffies to wait before queueing* mod_delayed_work_on() on local CPU.
157  spin_unlock_bh( & protects work_list & dwork scheduling )
Caller
NameDescribe
wb_start_writeback
wb_start_background_writebackwb_start_background_writeback - start background writeback*@wb: bdi_writback to write from* Description:* This makes sure WB_SYNC_NONE background writeback happens. When* this function returns, it is only guaranteed that for given wb
wb_workfnHandle writeback of dirty data for the device backed by this bdi. Also* reschedules periodically and does kupdated style flushing.
wakeup_dirtytime_writebackWake up bdi's periodically to make sure dirtytime inodes gets* written back periodically. We deliberately do *not* check the* b_dirtytime list in wb_has_dirty_io(), since this would cause the* kernel to be constantly waking up once there are any dirtytime