1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #include <linux/fsnotify_backend.h> 3 #include <linux/inotify.h> 4 #include <linux/slab.h> /* struct kmem_cache */ 5 6 struct inotify_event_info { 7 struct fsnotify_event fse; 8 u32 mask; 9 int wd; 10 u32 sync_cookie; 11 int name_len; 12 char name[]; 13 }; 14 15 struct inotify_inode_mark { 16 struct fsnotify_mark fsn_mark; 17 int wd; 18 }; 19 20 static inline struct inotify_event_info *INOTIFY_E(struct fsnotify_event *fse) 21 { 22 return container_of(fse, struct inotify_event_info, fse); 23 } 24 25 extern void inotify_ignored_and_remove_idr(struct fsnotify_mark *fsn_mark, 26 struct fsnotify_group *group); 27 extern int inotify_handle_event(struct fsnotify_group *group, 28 struct inode *inode, 29 u32 mask, const void *data, int data_type, 30 const struct qstr *file_name, u32 cookie, 31 struct fsnotify_iter_info *iter_info); 32 33 extern const struct fsnotify_ops inotify_fsnotify_ops; 34 extern struct kmem_cache *inotify_inode_mark_cachep; 35 36 #ifdef CONFIG_INOTIFY_USER 37 static inline void dec_inotify_instances(struct ucounts *ucounts) 38 { 39 dec_ucount(ucounts, UCOUNT_INOTIFY_INSTANCES); 40 } 41 42 static inline struct ucounts *inc_inotify_watches(struct ucounts *ucounts) 43 { 44 return inc_ucount(ucounts->ns, ucounts->uid, UCOUNT_INOTIFY_WATCHES); 45 } 46 47 static inline void dec_inotify_watches(struct ucounts *ucounts) 48 { 49 dec_ucount(ucounts, UCOUNT_INOTIFY_WATCHES); 50 } 51 #endif 52