dump_skip(): dump_seek() replacement taking coredump_params

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/linux/coredump.h b/include/linux/coredump.h
index 2959376..07a0af9 100644
--- a/include/linux/coredump.h
+++ b/include/linux/coredump.h
@@ -11,8 +11,7 @@
  * functions to write out all the necessary info.
  */
 struct coredump_params;
-extern int dump_write(struct file *file, const void *addr, int nr);
-extern int dump_seek(struct file *file, loff_t off);
+extern int dump_skip(struct coredump_params *cprm, size_t nr);
 extern int dump_emit(struct coredump_params *cprm, const void *addr, int nr);
 #ifdef CONFIG_COREDUMP
 extern void do_coredump(siginfo_t *siginfo);