Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / dnotify.h

diff --git a/kernel/include/linux/dnotify.h b/kernel/include/linux/dnotify.h
new file mode 100644 (file)
index 0000000..3290555
--- /dev/null
+++ b/kernel/include/linux/dnotify.h
@@ -0,0 +1,50 @@
+#ifndef _LINUX_DNOTIFY_H
+#define _LINUX_DNOTIFY_H
+/*
+ * Directory notification for Linux
+ *
+ * Copyright (C) 2000,2002 Stephen Rothwell
+ */
+
+#include <linux/fs.h>
+
+struct dnotify_struct {
+       struct dnotify_struct * dn_next;
+       __u32                   dn_mask;
+       int                     dn_fd;
+       struct file *           dn_filp;
+       fl_owner_t              dn_owner;
+};
+
+#ifdef __KERNEL__
+
+
+#ifdef CONFIG_DNOTIFY
+
+#define DNOTIFY_ALL_EVENTS (FS_DELETE | FS_DELETE_CHILD |\
+                           FS_MODIFY | FS_MODIFY_CHILD |\
+                           FS_ACCESS | FS_ACCESS_CHILD |\
+                           FS_ATTRIB | FS_ATTRIB_CHILD |\
+                           FS_CREATE | FS_DN_RENAME |\
+                           FS_MOVED_FROM | FS_MOVED_TO)
+
+extern int dir_notify_enable;
+extern void dnotify_flush(struct file *, fl_owner_t);
+extern int fcntl_dirnotify(int, struct file *, unsigned long);
+
+#else
+
+static inline void dnotify_flush(struct file *filp, fl_owner_t id)
+{
+}
+
+static inline int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg)
+{
+       return -EINVAL;
+}
+
+#endif /* CONFIG_DNOTIFY */
+
+#endif /* __KERNEL __ */
+
+#endif /* _LINUX_DNOTIFY_H */