1 /* SPDX-License-Identifier: GPL-2.0 */
2 #include <linux/fsnotify_backend.h>
3 #include <linux/path.h>
4 #include <linux/slab.h>
6 extern struct kmem_cache
*fanotify_mark_cache
;
7 extern struct kmem_cache
*fanotify_event_cachep
;
8 extern struct kmem_cache
*fanotify_perm_event_cachep
;
11 * Structure for normal fanotify events. It gets allocated in
12 * fanotify_handle_event() and freed when the information is retrieved by
15 struct fanotify_event_info
{
16 struct fsnotify_event fse
;
18 * We hold ref to this path so it may be dereferenced at any point
19 * during this object's lifetime
25 #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
27 * Structure for permission fanotify events. It gets allocated and freed in
28 * fanotify_handle_event() since we wait there for user response. When the
29 * information is retrieved by userspace the structure is moved from
30 * group->notification_list to group->fanotify_data.access_list to wait for
33 struct fanotify_perm_event_info
{
34 struct fanotify_event_info fae
;
35 int response
; /* userspace answer to question */
36 int fd
; /* fd we passed to userspace for this event */
39 static inline struct fanotify_perm_event_info
*
40 FANOTIFY_PE(struct fsnotify_event
*fse
)
42 return container_of(fse
, struct fanotify_perm_event_info
, fae
.fse
);
46 static inline struct fanotify_event_info
*FANOTIFY_E(struct fsnotify_event
*fse
)
48 return container_of(fse
, struct fanotify_event_info
, fse
);
51 struct fanotify_event_info
*fanotify_alloc_event(struct inode
*inode
, u32 mask
,
52 const struct path
*path
);