inotify: show inotify mask flags in proc fdinfo

[platform/kernel/linux-rpi.git] / fs / notify / inotify / inotify.h

diff --git a/fs/notify/inotify/inotify.h b/fs/notify/inotify/inotify.h
index 2007e37..8f00151 100644 (file)
--- a/fs/notify/inotify/inotify.h
+++ b/fs/notify/inotify/inotify.h
@@ -22,6 +22,18 @@ static inline struct inotify_event_info *INOTIFY_E(struct fsnotify_event *fse)
        return container_of(fse, struct inotify_event_info, fse);
 }
 
+/*
+ * INOTIFY_USER_FLAGS represents all of the mask bits that we expose to
+ * userspace.  There is at least one bit (FS_EVENT_ON_CHILD) which is
+ * used only internally to the kernel.
+ */
+#define INOTIFY_USER_MASK (IN_ALL_EVENTS | IN_ONESHOT | IN_EXCL_UNLINK)
+
+static inline __u32 inotify_mark_user_mask(struct fsnotify_mark *fsn_mark)
+{
+       return fsn_mark->mask & INOTIFY_USER_MASK;
+}
+
 extern void inotify_ignored_and_remove_idr(struct fsnotify_mark *fsn_mark,
                                           struct fsnotify_group *group);
 extern int inotify_handle_inode_event(struct fsnotify_mark *inode_mark,