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-rw-r--r--util-linux/switch_root.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/util-linux/switch_root.c b/util-linux/switch_root.c
index d471437fd..7794de18d 100644
--- a/util-linux/switch_root.c
+++ b/util-linux/switch_root.c
@@ -5,6 +5,16 @@
5 * 5 *
6 * Licensed under GPLv2, see file LICENSE in this source tree. 6 * Licensed under GPLv2, see file LICENSE in this source tree.
7 */ 7 */
8
9//usage:#define switch_root_trivial_usage
10//usage: "[-c /dev/console] NEW_ROOT NEW_INIT [ARGS]"
11//usage:#define switch_root_full_usage "\n\n"
12//usage: "Free initramfs and switch to another root fs:\n"
13//usage: "chroot to NEW_ROOT, delete all in /, move NEW_ROOT to /,\n"
14//usage: "execute NEW_INIT. PID must be 1. NEW_ROOT must be a mountpoint.\n"
15//usage: "\nOptions:"
16//usage: "\n -c DEV Reopen stdio to DEV after switch"
17
8#include <sys/vfs.h> 18#include <sys/vfs.h>
9#include <sys/mount.h> 19#include <sys/mount.h>
10#include "libbb.h" 20#include "libbb.h"