函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\notify\mark.c Create Date:2022-07-29 10:48:08
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Free fsnotify mark

函数原型：void fsnotify_free_mark(struct fsnotify_mark *mark)

返回类型：void

参数：

类型参数名称
struct fsnotify_mark *mark
406  group等于 Group this mark is for. Set on mark creation, stable until last ref * is dropped
408  加自旋锁
410  如果非 flags [mark->lock] 按位与FSNOTIFY_MARK_FLAG_ALIVE的值则
411  自旋锁解锁
412  返回
414  flags [mark->lock] 与等于FSNOTIFY_MARK_FLAG_ALIVE的反
415  自旋锁解锁
422  如果 called when a mark is being destroyed for some reason. The group则 called when a mark is being destroyed for some reason. The group(mark, group)
调用者
名称描述
untag_chunk
create_chunkCall with group->mark_mutex held, releases it
fsnotify_destroy_mark
fsnotify_clear_marks_by_groupClear any marks in a group with given type mask
dnotify_flushCalled every time a file is closed. Looks first for a dnotify mark on the* inode. If one is found run all of the ->dn structures attached to that* mark for one relevant to this process closing the file and remove that* dnotify_struct
fcntl_dirnotifyWhen a process calls fcntl to attach a dnotify watch to a directory it ends* up here. Allocate both a mark for fsnotify to add and a dnotify_struct to be* attached to the fsnotify_mark.
fanotify_remove_mark