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 #include "../mount.h" 10 11 struct fsnotify_iter_info { 12 struct fsnotify_mark *inode_mark; 13 struct fsnotify_mark *vfsmount_mark; 14 int srcu_idx; 15 }; 16 17 /* destroy all events sitting in this groups notification queue */ 18 extern void fsnotify_flush_notify(struct fsnotify_group *group); 19 20 /* protects reads of inode and vfsmount marks list */ 21 extern struct srcu_struct fsnotify_mark_srcu; 22 23 /* compare two groups for sorting of marks lists */ 24 extern int fsnotify_compare_groups(struct fsnotify_group *a, 25 struct fsnotify_group *b); 26 27 /* Destroy all marks connected via given connector */ 28 extern void fsnotify_destroy_marks(struct fsnotify_mark_connector __rcu **connp); 29 /* run the list of all marks associated with inode and destroy them */ 30 static inline void fsnotify_clear_marks_by_inode(struct inode *inode) 31 { 32 fsnotify_destroy_marks(&inode->i_fsnotify_marks); 33 } 34 /* run the list of all marks associated with vfsmount and destroy them */ 35 static inline void fsnotify_clear_marks_by_mount(struct vfsmount *mnt) 36 { 37 fsnotify_destroy_marks(&real_mount(mnt)->mnt_fsnotify_marks); 38 } 39 /* Wait until all marks queued for destruction are destroyed */ 40 extern void fsnotify_wait_marks_destroyed(void); 41 42 /* 43 * update the dentry->d_flags of all of inode's children to indicate if inode cares 44 * about events that happen to its children. 45 */ 46 extern void __fsnotify_update_child_dentry_flags(struct inode *inode); 47 48 /* allocate and destroy and event holder to attach events to notification/access queues */ 49 extern struct fsnotify_event_holder *fsnotify_alloc_event_holder(void); 50 extern void fsnotify_destroy_event_holder(struct fsnotify_event_holder *holder); 51 52 #endif /* __FS_NOTIFY_FSNOTIFY_H_ */ 53