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123 lines
4.2 KiB
123 lines
4.2 KiB
Forward-port the old mdstart tool from the Gentoo Busybox-1.1.3.
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Only fires the RAID_AUTORUN ioctl on existing /dev/md nodes.
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Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>
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diff -Nuar --exclude '*.orig' busybox-1.7.4/include/applets.h busybox-1.7.4+gentoo/include/applets.h
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--- busybox-1.7.4/include/applets.h 2007-09-03 04:48:46.000000000 -0700
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+++ busybox-1.7.4+gentoo/include/applets.h 2008-03-11 10:25:43.000000000 -0700
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@@ -222,6 +222,7 @@
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USE_MATCHPATHCON(APPLET(matchpathcon, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
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USE_MD5SUM(APPLET_ODDNAME(md5sum, md5_sha1_sum, _BB_DIR_USR_BIN, _BB_SUID_NEVER, md5sum))
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USE_MDEV(APPLET(mdev, _BB_DIR_SBIN, _BB_SUID_NEVER))
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+USE_MDSTART(APPLET(mdstart, _BB_DIR_SBIN, _BB_SUID_NEVER))
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USE_MESG(APPLET(mesg, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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USE_MKDIR(APPLET_NOFORK(mkdir, mkdir, _BB_DIR_BIN, _BB_SUID_NEVER, mkdir))
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//USE_MKE2FS(APPLET(mke2fs, _BB_DIR_SBIN, _BB_SUID_NEVER))
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diff -Nuar --exclude '*.orig' busybox-1.7.4/include/usage.h busybox-1.7.4+gentoo/include/usage.h
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--- busybox-1.7.4/include/usage.h 2007-09-03 04:48:46.000000000 -0700
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+++ busybox-1.7.4+gentoo/include/usage.h 2008-03-11 10:19:04.000000000 -0700
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@@ -2072,6 +2072,11 @@
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"the last line match .* to override this.)\n\n" \
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)
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+#define mdstart_trivial_usage \
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+ "{[PARTITION] MD-NODE}..."
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+#define mdstart_full_usage \
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+ "Run the RAID_AUTORUN ioctl on the given MD number"
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+
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#define mesg_trivial_usage \
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"[y|n]"
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#define mesg_full_usage \
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diff -Nuar --exclude '*.orig' busybox-1.7.4/util-linux/Config.in busybox-1.7.4+gentoo/util-linux/Config.in
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--- busybox-1.7.4/util-linux/Config.in 2007-09-03 04:48:56.000000000 -0700
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+++ busybox-1.7.4+gentoo/util-linux/Config.in 2008-03-11 10:26:20.000000000 -0700
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@@ -305,6 +305,13 @@
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/lib/firmware/ and if it exists, send it to the kernel for
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loading into the hardware.
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+config MDSTART
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+ bool "mdstart"
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+ default n
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+ help
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+ Allows you to autostart /dev/md devices if using an initramfs to
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+ boot.
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+
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config MKSWAP
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bool "mkswap"
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default n
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diff -Nuar --exclude '*.orig' busybox-1.7.4/util-linux/Kbuild busybox-1.7.4+gentoo/util-linux/Kbuild
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--- busybox-1.7.4/util-linux/Kbuild 2007-09-03 04:48:56.000000000 -0700
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+++ busybox-1.7.4+gentoo/util-linux/Kbuild 2008-03-11 10:28:47.000000000 -0700
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@@ -18,6 +18,7 @@
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lib-$(CONFIG_IPCRM) +=ipcrm.o
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lib-$(CONFIG_IPCS) +=ipcs.o
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lib-$(CONFIG_LOSETUP) +=losetup.o
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+lib-$(CONFIG_MDSTART) +=mdStart.o
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lib-$(CONFIG_MDEV) +=mdev.o
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lib-$(CONFIG_MKFS_MINIX) +=mkfs_minix.o
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lib-$(CONFIG_MKSWAP) +=mkswap.o
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diff -Nuar --exclude '*.orig' busybox-1.7.4/util-linux/mdStart.c busybox-1.7.4+gentoo/util-linux/mdStart.c
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--- busybox-1.7.4/util-linux/mdStart.c 1969-12-31 16:00:00.000000000 -0800
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+++ busybox-1.7.4+gentoo/util-linux/mdStart.c 2008-03-11 10:19:04.000000000 -0700
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@@ -0,0 +1,59 @@
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+/*
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+ * Linux 2.6(+) RAID Autostarter
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+ *
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+ * Copyright (C) 2005 by Tim Yamin <plasmaroo@gentoo.org> <plasm@roo.me.uk>
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation; either version 2 of the License, or
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+ * (at your option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ * General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program; if not, write to the Free Software
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+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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+ *
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+ */
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+
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+#include <sys/types.h>
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+#include <sys/stat.h>
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+#include <fcntl.h>
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+#include <sys/ioctl.h>
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+#include <linux/major.h>
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+#include <linux/raid/md_u.h>
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+
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+extern int
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+mdstart_main(int argc, char *argv[])
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+{
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+ int i, fd, part = 0, retval = 0;
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+
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+ if(argc < 2)
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+ {
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+ bb_show_usage();
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+ }
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+
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+ for(i = 1; i < argc; i++)
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+ {
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+ if(sscanf(argv[i], "%d", &part) == 1)
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+ continue;
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+
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+ fd = open(argv[i], 0, 0);
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+ if (fd >= 0)
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+ {
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+ ioctl(fd, RAID_AUTORUN, part);
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+ close(fd);
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+ } else
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+ {
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+ printf("Error: Failed to open %s!\n", argv[i]);
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+ retval=1;
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+ }
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+
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+ part = 0;
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+ }
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+
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+ return retval;
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+}
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