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-rw-r--r--fs/notify/inotify/inotify.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/notify/inotify/inotify.h b/fs/notify/inotify/inotify.h
index 2007e3711916..8f00151eb731 100644
--- 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,