1 #include <linux/fsnotify_backend.h>
2 #include <linux/path.h>
3 #include <linux/slab.h>
5 extern struct kmem_cache *fanotify_mark_cache;
6 extern struct kmem_cache *fanotify_event_cachep;
7 extern struct kmem_cache *fanotify_perm_event_cachep;
10 * Structure for normal fanotify events. It gets allocated in
11 * fanotify_handle_event() and freed when the information is retrieved by
14 struct fanotify_event_info {
15 struct fsnotify_event fse;
17 * We hold ref to this path so it may be dereferenced at any point
18 * during this object's lifetime
24 #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
26 * Structure for permission fanotify events. It gets allocated and freed in
27 * fanotify_handle_event() since we wait there for user response. When the
28 * information is retrieved by userspace the structure is moved from
29 * group->notification_list to group->fanotify_data.access_list to wait for
32 struct fanotify_perm_event_info {
33 struct fanotify_event_info fae;
34 int response; /* userspace answer to question */
35 int fd; /* fd we passed to userspace for this event */
38 static inline struct fanotify_perm_event_info *
39 FANOTIFY_PE(struct fsnotify_event *fse)
41 return container_of(fse, struct fanotify_perm_event_info, fae.fse);
45 static inline struct fanotify_event_info *FANOTIFY_E(struct fsnotify_event *fse)
47 return container_of(fse, struct fanotify_event_info, fse);
50 struct fanotify_event_info *fanotify_alloc_event(struct inode *inode, u32 mask,
51 const struct path *path);