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-rw-r--r--include/applets.h3
-rw-r--r--include/usage.h26
2 files changed, 27 insertions, 2 deletions
diff --git a/include/applets.h b/include/applets.h
index 79d18207e..47376c624 100644
--- a/include/applets.h
+++ b/include/applets.h
@@ -414,6 +414,9 @@
#ifdef CONFIG_MD5SUM
APPLET(md5sum, md5sum_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER)
#endif
+#ifdef CONFIG_MDEV
+ APPLET(mdev, mdev_main, _BB_DIR_SBIN, _BB_SUID_NEVER)
+#endif
#ifdef CONFIG_MESG
APPLET(mesg, mesg_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER)
#endif
diff --git a/include/usage.h b/include/usage.h
index e595bd9d9..12c45b45f 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -1841,6 +1841,26 @@
"busybox: OK\n" \
"^D\n"
+#define mdev_trivial_usage \
+ "[-s]"
+#define mdev_full_usage \
+ "\ts\tScan /sys and populate /dev during system boot\n\n" \
+ "Called with no options (via hotplug) it uses environment variables\n" \
+ "to determine which device to add/remove."
+#ifdef CONFIG_FEATURE_MDEV_CONFIG
+#define mdev_notes_usage \
+ "The mdev config file contains lines that look like:\n" \
+ " hd[a-z][0-9]* 0:3 660\n\n" \
+ "That's device name (with regex match), uid:gid, and permissions.\n\n" \
+ "Optionally, that can be followed (on the same line) by an asterisk\n" \
+ "and a command line to run after creating the corresponding device(s),\n"\
+ "ala:\n\n" \
+ " hdc root:cdrom 660 *ln -s hdc cdrom\n\n" \
+ "Config file parsing stops on the first matching line. If no config\n"\
+ "entry is matched, devices are created with default 0:0 660. (Make\n"\
+ "the last line match .* to override this.)\n\n"
+#endif
+
#define mesg_trivial_usage \
"[y|n]"
#define mesg_full_usage \
@@ -2822,10 +2842,12 @@
"\t-a\tStart swapping on all swap devices"
#define switch_root_trivial_usage \
- "NEW_ROOT NEW_INIT [ARGUMENTS_TO_INIT]"
+ "[-c /dev/console] NEW_ROOT NEW_INIT [ARGUMENTS_TO_INIT]"
#define switch_root_full_usage \
"Use from PID 1 under initramfs to free initramfs, chroot to NEW_ROOT,\n" \
- "and exec NEW_INIT.\n"
+ "and exec NEW_INIT.\n\n" \
+ "Options:\n" \
+ "\t-c\tRedirect console to device on new root"
#define sync_trivial_usage \
""