files: add some function in files.h

They will be used to restore pipes
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

files.c

@@ -281,7 +281,7 @@ static int restore_exe_early(struct fdinfo_entry *fe, int fd)
 	return reopen_fd_as(self_exe_fd, tmp);
 }
 
-static inline void transport_name_gen(struct sockaddr_un *addr, int *len,
+void transport_name_gen(struct sockaddr_un *addr, int *len,
 		int pid, long fd)
 {
 	addr->sun_family = AF_UNIX;
@@ -290,11 +290,6 @@ static inline void transport_name_gen(struct sockaddr_un *addr, int *len,
 	*addr->sun_path = '\0';
 }
 
-static struct fdinfo_list_entry *file_master(struct list_head *fd_list)
-{
-	return list_first_entry(fd_list, struct fdinfo_list_entry, list);
-}
-
 static int open_transport_fd(int pid, struct fdinfo_entry *fe, struct list_head *fd_list)
 {
 	struct fdinfo_list_entry *fle;

include/files.h

@@ -39,6 +39,13 @@ struct fdinfo_list_entry {
 	futex_t			real_pid;
 };
 
+extern void transport_name_gen(struct sockaddr_un *addr,
+				int *len, int pid, long fd);
+static inline struct fdinfo_list_entry *file_master(struct list_head *fd_list)
+{
+	return list_first_entry(fd_list, struct fdinfo_list_entry, list);
+}
+
 void show_saved_files(void);
 extern int collect_reg_files(void);
 extern int prepare_fds(int pid);