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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
90586523 EP |
2 | #ifndef __FS_NOTIFY_FSNOTIFY_H_ |
3 | #define __FS_NOTIFY_FSNOTIFY_H_ | |
4 | ||
5 | #include <linux/list.h> | |
6 | #include <linux/fsnotify.h> | |
7 | #include <linux/srcu.h> | |
8 | #include <linux/types.h> | |
9 | ||
925d1132 JK |
10 | #include "../mount.h" |
11 | ||
abc77577 JK |
12 | struct fsnotify_iter_info { |
13 | struct fsnotify_mark *inode_mark; | |
14 | struct fsnotify_mark *vfsmount_mark; | |
15 | int srcu_idx; | |
16 | }; | |
17 | ||
a2d8bc6c EP |
18 | /* destroy all events sitting in this groups notification queue */ |
19 | extern void fsnotify_flush_notify(struct fsnotify_group *group); | |
20 | ||
75c1be48 EP |
21 | /* protects reads of inode and vfsmount marks list */ |
22 | extern struct srcu_struct fsnotify_mark_srcu; | |
23 | ||
8edc6e16 JK |
24 | /* compare two groups for sorting of marks lists */ |
25 | extern int fsnotify_compare_groups(struct fsnotify_group *a, | |
26 | struct fsnotify_group *b); | |
27 | ||
a03e2e4f | 28 | /* Destroy all marks connected via given connector */ |
08991e83 | 29 | extern void fsnotify_destroy_marks(struct fsnotify_mark_connector __rcu **connp); |
925d1132 JK |
30 | /* run the list of all marks associated with inode and destroy them */ |
31 | static inline void fsnotify_clear_marks_by_inode(struct inode *inode) | |
32 | { | |
08991e83 | 33 | fsnotify_destroy_marks(&inode->i_fsnotify_marks); |
925d1132 JK |
34 | } |
35 | /* run the list of all marks associated with vfsmount and destroy them */ | |
36 | static inline void fsnotify_clear_marks_by_mount(struct vfsmount *mnt) | |
37 | { | |
08991e83 | 38 | fsnotify_destroy_marks(&real_mount(mnt)->mnt_fsnotify_marks); |
925d1132 | 39 | } |
f09b04a0 JK |
40 | /* Wait until all marks queued for destruction are destroyed */ |
41 | extern void fsnotify_wait_marks_destroyed(void); | |
35e48176 | 42 | |
c28f7e56 EP |
43 | /* |
44 | * update the dentry->d_flags of all of inode's children to indicate if inode cares | |
45 | * about events that happen to its children. | |
46 | */ | |
47 | extern void __fsnotify_update_child_dentry_flags(struct inode *inode); | |
a2d8bc6c EP |
48 | |
49 | /* allocate and destroy and event holder to attach events to notification/access queues */ | |
50 | extern struct fsnotify_event_holder *fsnotify_alloc_event_holder(void); | |
51 | extern void fsnotify_destroy_event_holder(struct fsnotify_event_holder *holder); | |
52 | ||
90586523 | 53 | #endif /* __FS_NOTIFY_FSNOTIFY_H_ */ |