fs/notify/fsnotify.h

   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 /* destroy all events sitting in this groups notification queue */
  10 extern void fsnotify_flush_notify(struct fsnotify_group *group);
  11
  12 /* protects reads of inode and vfsmount marks list */
  13 extern struct srcu_struct fsnotify_mark_srcu;
  14
  15 extern void fsnotify_set_inode_mark_mask_locked(struct fsnotify_mark *fsn_mark,
  16                                                 __u32 mask);
  17 /* add a mark to an inode */
  18 extern int fsnotify_add_inode_mark(struct fsnotify_mark *mark,
  19                                    struct fsnotify_group *group, struct inode *inode,
  20                                    int allow_dups);
  21 /* add a mark to a vfsmount */
  22 extern int fsnotify_add_vfsmount_mark(struct fsnotify_mark *mark,
  23                                       struct fsnotify_group *group, struct vfsmount *mnt,
  24                                       int allow_dups);
  25
  26 /* final kfree of a group */
  27 extern void fsnotify_final_destroy_group(struct fsnotify_group *group);
  28
  29 /* vfsmount specific destruction of a mark */
  30 extern void fsnotify_destroy_vfsmount_mark(struct fsnotify_mark *mark);
  31 /* inode specific destruction of a mark */
  32 extern void fsnotify_destroy_inode_mark(struct fsnotify_mark *mark);
  33 /* run the list of all marks associated with inode and flag them to be freed */
  34 extern void fsnotify_clear_marks_by_inode(struct inode *inode);
  35 /* run the list of all marks associated with vfsmount and flag them to be freed */
  36 extern void fsnotify_clear_marks_by_mount(struct vfsmount *mnt);
  37 /*
  38  * update the dentry->d_flags of all of inode's children to indicate if inode cares
  39  * about events that happen to its children.
  40  */
  41 extern void __fsnotify_update_child_dentry_flags(struct inode *inode);
  42
  43 /* allocate and destroy and event holder to attach events to notification/access queues */
  44 extern struct fsnotify_event_holder *fsnotify_alloc_event_holder(void);
  45 extern void fsnotify_destroy_event_holder(struct fsnotify_event_holder *holder);
  46
  47 #endif  /* __FS_NOTIFY_FSNOTIFY_H_ */