files: Move structures and enums into the header

Having them in the header file will allow to share these
structures with other callers. Moreover, this is a good
practice to have definition(s) in header file until otherwise
really needed.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Acked-by: Pavel Emelyanov <xemul@parallels.com>

files.c

@@ -20,37 +20,6 @@
 #include "util-net.h"
 #include "lock.h"
 
-enum fdinfo_states {
-	FD_STATE_PREP,		/* Create unix sockets */
-	FD_STATE_CREATE,	/* Create and send fd */
-	FD_STATE_RECV,		/* Receive fd */
-
-	FD_STATE_MAX
-};
-
-struct fmap_fd {
-	struct fmap_fd	*next;
-	unsigned long	start;
-	int		pid;
-	int		fd;
-};
-
-struct fdinfo_desc {
-	char		id[FD_ID_SIZE];
-	u64		addr;
-	int		pid;
-	u32		real_pid;	/* futex */
-	u32		users;		/* futex */
-	struct list_head list;
-};
-
-struct fdinfo_list_entry {
-	struct list_head	list;
-	int			fd;
-	int			pid;
-	u32			real_pid;
-};
-
 static struct fdinfo_desc *fdinfo_descs;
 static int nr_fdinfo_descs;
 

include/files.h

 #ifndef FILES_H_
 #define FILES_H_
 
+#include "compiler.h"
+#include "types.h"
+#include "list.h"
+#include "image.h"
+
+enum fdinfo_states {
+	FD_STATE_PREP,		/* Create unix sockets */
+	FD_STATE_CREATE,	/* Create and send fd */
+	FD_STATE_RECV,		/* Receive fd */
+
+	FD_STATE_MAX
+};
+
+struct fmap_fd {
+	struct fmap_fd		*next;
+	unsigned long		start;
+	int			pid;
+	int			fd;
+};
+
+struct fdinfo_desc {
+	char			id[FD_ID_SIZE];
+	u64			addr;
+	int			pid;
+	u32			real_pid;	/* futex */
+	u32			users;		/* futex */
+	struct list_head	list;
+};
+
+struct fdinfo_list_entry {
+	struct list_head	list;
+	int			fd;
+	int			pid;
+	u32			real_pid;
+};
+
 extern int prepare_fds(int pid);
 extern int prepare_fd_pid(int pid);
 extern int prepare_fdinfo_global(void);