Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

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

Name:wb_start_writeback

Proto:static void wb_start_writeback(struct bdi_writeback *wb, enum wb_reason reason)

Type:void

Parameter:

TypeParameterName
struct bdi_writeback *wb
enum wb_reasonreason
1079  If Not wb_has_dirty_io(wb) Then Return
1090  If st_bit - Determine whether a bit is set*@nr: bit number to test*@addr: Address to start counting from || 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). Then Return
1094  start_all_reason = reason
1095  wb_wakeup(wb)
Caller
NameDescribe
__wakeup_flusher_threads_bdiStart writeback of `nr_pages' pages on this bdi. If `nr_pages' is zero,* write back the whole world.