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-rw-r--r--fs/notify/fsnotify.c2
-rw-r--r--include/linux/fsnotify_backend.h9
2 files changed, 11 insertions, 0 deletions
diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c
index 9810babb1a3b..076c10e959d5 100644
--- a/fs/notify/fsnotify.c
+++ b/fs/notify/fsnotify.c
@@ -275,6 +275,8 @@ EXPORT_SYMBOL_GPL(fsnotify);
static __init int fsnotify_init(void)
{
+ BUG_ON(hweight32(ALL_FSNOTIFY_EVENTS) != 23);
+
return init_srcu_struct(&fsnotify_grp_srcu);
}
subsys_initcall(fsnotify_init);
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index 4b809fcd4996..a46355db1e47 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -64,6 +64,15 @@
#define FS_MOVE (FS_MOVED_FROM | FS_MOVED_TO)
+#define ALL_FSNOTIFY_EVENTS (FS_ACCESS | FS_MODIFY | FS_ATTRIB | \
+ FS_CLOSE_WRITE | FS_CLOSE_NOWRITE | FS_OPEN | \
+ FS_MOVED_FROM | FS_MOVED_TO | FS_CREATE | \
+ FS_DELETE | FS_DELETE_SELF | FS_MOVE_SELF | \
+ FS_UNMOUNT | FS_Q_OVERFLOW | FS_IN_IGNORED | \
+ FS_OPEN_PERM | FS_ACCESS_PERM | FS_EXCL_UNLINK | \
+ FS_IN_ISDIR | FS_IN_ONESHOT | FS_DN_RENAME | \
+ FS_DN_MULTISHOT | FS_EVENT_ON_CHILD)
+
struct fsnotify_group;
struct fsnotify_event;
struct fsnotify_mark;