[patch] use root= rather then hardcoding to /dev/root

dev-root-real-root.patch (text/plain), 883 bytes, created by Doug Goldstein (RETIRED) on 2007-04-21 17:29:36 UTC

--- linux-2.6.20-gentoo-r6/init/do_mounts.c	2007-04-17 01:27:27.000000000 -0400
+++ linux-dev-root/init/do_mounts.c	2007-04-21 13:00:32.000000000 -0400
@@ -354,7 +354,10 @@
 	va_start(args, fmt);
 	vsprintf(buf, fmt, args);
 	va_end(args);
-	fd = sys_open("/dev/root", O_RDWR | O_NDELAY, 0);
+	if (saved_root_name[0])
+		fd = sys_open(saved_root_name, O_RDWR | O_NDELAY, 0);
+	else
+		fd = sys_open("/dev/root", O_RDWR | O_NDELAY, 0);
 	if (fd >= 0) {
 		sys_ioctl(fd, FDEJECT, 0);
 		sys_close(fd);
@@ -397,8 +400,13 @@
 	}
 #endif
 #ifdef CONFIG_BLOCK
-	create_dev("/dev/root", ROOT_DEV);
-	mount_block_root("/dev/root", root_mountflags);
+	if (saved_root_name[0]) {
+		create_dev(saved_root_name, ROOT_DEV);
+		mount_block_root(saved_root_name, root_mountflags);
+	} else {
+		create_dev("/dev/root", ROOT_DEV);
+		mount_block_root("/dev/root", root_mountflags);
+	}
 #endif
 }