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gerrit-public.fairphone.software / kernel / msm-4.9 / 098cf2fc77ee190c92bf9d08d69a13305f2487ec / . / fs / notify / fsnotify.h
blob: 2ba59158969fd8b896e9977290cd694128284566 [file] [log] [blame]
Eric Paris90586522009-05-21 17:01:20 -0400[diff] [blame]1#ifndef __FS_NOTIFY_FSNOTIFY_H_
2#define __FS_NOTIFY_FSNOTIFY_H_
3
4#include <linux/list.h>
5#include <linux/fsnotify.h>
6#include <linux/srcu.h>
7#include <linux/types.h>
8
9/* protects reads of fsnotify_groups */
10extern struct srcu_struct fsnotify_grp_srcu;
Eric Paris19c2a0e2009-12-17 21:24:23 -0500[diff] [blame]11/* all groups which receive inode fsnotify events */
12extern struct list_head fsnotify_inode_groups;
Eric Paris71314852009-12-17 21:24:23 -0500[diff] [blame]13/* all groups which receive vfsmount fsnotify events */
14extern struct list_head fsnotify_vfsmount_groups;
Eric Paris19c2a0e2009-12-17 21:24:23 -0500[diff] [blame]15/* all bitwise OR of all event types (FS_*) for all fsnotify_inode_groups */
16extern __u32 fsnotify_inode_mask;
Eric Paris71314852009-12-17 21:24:23 -0500[diff] [blame]17/* all bitwise OR of all event types (FS_*) for all fsnotify_vfsmount_groups */
18extern __u32 fsnotify_vfsmount_mask;
Eric Paris3be25f42009-05-21 17:01:26 -0400[diff] [blame]19
Eric Parisa2d8bc62009-05-21 17:01:37 -0400[diff] [blame]20/* destroy all events sitting in this groups notification queue */
21extern void fsnotify_flush_notify(struct fsnotify_group *group);
22
Eric Paris4ca76352009-12-17 21:24:23 -0500[diff] [blame]23/* add a group to the inode group list */
24extern void fsnotify_add_inode_group(struct fsnotify_group *group);
Eric Paris71314852009-12-17 21:24:23 -0500[diff] [blame]25/* add a group to the vfsmount group list */
26extern void fsnotify_add_vfsmount_group(struct fsnotify_group *group);
Eric Paris3be25f42009-05-21 17:01:26 -0400[diff] [blame]27/* final kfree of a group */
28extern void fsnotify_final_destroy_group(struct fsnotify_group *group);
Eric Parisa2d8bc62009-05-21 17:01:37 -0400[diff] [blame]29
Eric Paris3be25f42009-05-21 17:01:26 -0400[diff] [blame]30/* run the list of all marks associated with inode and flag them to be freed */
31extern void fsnotify_clear_marks_by_inode(struct inode *inode);
Eric Parisc28f7e52009-05-21 17:01:29 -0400[diff] [blame]32/*
33 * update the dentry->d_flags of all of inode's children to indicate if inode cares
34 * about events that happen to its children.
35 */
36extern void __fsnotify_update_child_dentry_flags(struct inode *inode);
Eric Parisa2d8bc62009-05-21 17:01:37 -0400[diff] [blame]37
38/* allocate and destroy and event holder to attach events to notification/access queues */
39extern struct fsnotify_event_holder *fsnotify_alloc_event_holder(void);
40extern void fsnotify_destroy_event_holder(struct fsnotify_event_holder *holder);
41
Eric Paris90586522009-05-21 17:01:20 -0400[diff] [blame]42#endif /* __FS_NOTIFY_FSNOTIFY_H_ */