fs/notify/fanotify/fanotify.h

   1 #include <linux/fanotify.h>
   2 #include <linux/fsnotify_backend.h>
   3 #include <linux/net.h>
   4 #include <linux/kernel.h>
   5 #include <linux/types.h>
   6
   7 extern const struct fsnotify_ops fanotify_fsnotify_ops;
   8
   9 static inline bool fanotify_mark_flags_valid(unsigned int flags)
  10 {
  11         /* must be either and add or a remove */
  12         if (!(flags & (FAN_MARK_ADD | FAN_MARK_REMOVE)))
  13                 return false;
  14
  15         /* cannot be both add and remove */
  16         if ((flags & FAN_MARK_ADD) &&
  17             (flags & FAN_MARK_REMOVE))
  18                 return false;
  19
  20         /* cannot have more flags than we know about */
  21         if (flags & ~FAN_ALL_MARK_FLAGS)
  22                 return false;
  23
  24         return true;
  25 }
  26
  27 static inline bool fanotify_mask_valid(__u32 mask)
  28 {
  29         if (mask & ~((__u32)FAN_ALL_INCOMING_EVENTS))
  30                 return false;
  31         return true;
  32 }