Fabio Erculiani
165 lines
4.6 KiB
Diff
165 lines
4.6 KiB
Diff
diff -ruN udev-git/extras/root_link/get_dir_major_minor.c udev-git-try/extras/root_link/get_dir_major_minor.c
|
|
--- udev-git/extras/root_link/get_dir_major_minor.c 1970-01-01 01:00:00.000000000 +0100
|
|
+++ udev-git-try/extras/root_link/get_dir_major_minor.c 2007-08-16 16:08:30.000000000 +0200
|
|
@@ -0,0 +1,52 @@
|
|
+// print out major/minor nr of the device the supplied dir
|
|
+// is mounted on
|
|
+//
|
|
+// This program is free software; you can redistribute it and/or modify it
|
|
+// under the terms of the GNU General Public License as published by the
|
|
+// Free Software Foundation version 2 of the License.
|
|
+//
|
|
+// (c) 2007 Matthias Schwarzott <zzam@gentoo.org>
|
|
+
|
|
+#include <sys/types.h>
|
|
+#include <sys/stat.h>
|
|
+#include <unistd.h>
|
|
+
|
|
+#include <stdio.h>
|
|
+#include <stdlib.h>
|
|
+
|
|
+// Getting major/minor
|
|
+#include <sys/sysmacros.h>
|
|
+int main(int argc, char **argv)
|
|
+{
|
|
+ struct stat stat_buf;
|
|
+ unsigned int dev_major=0, dev_minor=0;
|
|
+ dev_t dev;
|
|
+
|
|
+ if (argc != 2) {
|
|
+ printf("Usage:\n");
|
|
+ printf(" get_dir_major_minor <directory>\n");
|
|
+ return EXIT_FAILURE;
|
|
+ }
|
|
+
|
|
+ if (stat(argv[1], &stat_buf) < 0) {
|
|
+ perror("stat");
|
|
+ return EXIT_FAILURE;
|
|
+ }
|
|
+
|
|
+ dev = stat_buf.st_dev;
|
|
+
|
|
+ dev_major = gnu_dev_major(dev);
|
|
+ dev_minor = gnu_dev_minor(dev);
|
|
+
|
|
+
|
|
+ if (dev_major == 0) {
|
|
+ fprintf(stderr, "Major number is 0.\n");
|
|
+ return EXIT_FAILURE;
|
|
+ } else
|
|
+ printf("%d %d\n",
|
|
+ dev_major,
|
|
+ dev_minor);
|
|
+
|
|
+ return EXIT_SUCCESS;
|
|
+}
|
|
+
|
|
diff -ruN udev-git/extras/root_link/Makefile udev-git-try/extras/root_link/Makefile
|
|
--- udev-git/extras/root_link/Makefile 1970-01-01 01:00:00.000000000 +0100
|
|
+++ udev-git-try/extras/root_link/Makefile 2007-08-16 15:52:01.000000000 +0200
|
|
@@ -0,0 +1,70 @@
|
|
+# Makefile for udev extra invoked from the udev main Makefile
|
|
+#
|
|
+# Copyright (C) 2004-2005 Kay Sievers <kay.sievers@vrfy.org>
|
|
+#
|
|
+# Released under the GNU General Public License, version 2.
|
|
+#
|
|
+
|
|
+PROG = get_dir_major_minor
|
|
+OBJ =
|
|
+HEADERS =
|
|
+GEN_HEADERS =
|
|
+MAN_PAGES =
|
|
+
|
|
+prefix =
|
|
+etcdir = ${prefix}/etc
|
|
+sbindir = ${prefix}/sbin
|
|
+usrbindir = ${prefix}/usr/bin
|
|
+usrsbindir = ${prefix}/usr/sbin
|
|
+libudevdir = ${prefix}/lib/udev
|
|
+mandir = ${prefix}/usr/share/man
|
|
+configdir = ${etcdir}/udev/
|
|
+
|
|
+INSTALL = install -c
|
|
+INSTALL_PROGRAM = ${INSTALL}
|
|
+INSTALL_DATA = ${INSTALL} -m 644
|
|
+INSTALL_SCRIPT = ${INSTALL}
|
|
+
|
|
+all: $(PROG) $(MAN_PAGES)
|
|
+.PHONY: all
|
|
+.DEFAULT: all
|
|
+
|
|
+%.o: %.c $(GEN_HEADERS)
|
|
+ $(E) " CC " $@
|
|
+ $(Q) $(CC) -c $(CFLAGS) $< -o $@
|
|
+
|
|
+$(PROG): %: $(HEADERS) %.o $(OBJS)
|
|
+ $(E) " LD " $@
|
|
+ $(Q) $(LD) $(LDFLAGS) $@.o $(OBJS) -o $@ $(LIBUDEV) $(LIB_OBJS)
|
|
+
|
|
+# man pages
|
|
+%.8: %.xml
|
|
+ $(E) " XMLTO " $@
|
|
+ $(Q) xmlto man $?
|
|
+.PRECIOUS: %.8
|
|
+
|
|
+clean:
|
|
+ $(E) " CLEAN "
|
|
+ $(Q) rm -f $(PROG) $(OBJS) $(GEN_HEADERS)
|
|
+.PHONY: clean
|
|
+
|
|
+install-bin: all
|
|
+ $(INSTALL_PROGRAM) -D $(PROG) $(DESTDIR)$(libudevdir)/$(PROG)
|
|
+ $(INSTALL_PROGRAM) -D write_root_link_rule $(DESTDIR)$(libudevdir)/
|
|
+.PHONY: install-bin
|
|
+
|
|
+uninstall-bin:
|
|
+ - rm $(DESTDIR)$(libudevdir)/$(PROG)
|
|
+.PHONY: uninstall-bin
|
|
+
|
|
+install-man:
|
|
+ @echo "Please create a man page for this tool."
|
|
+.PHONY: install-man
|
|
+
|
|
+uninstall-man:
|
|
+ @echo "Please create a man page for this tool."
|
|
+.PHONY: uninstall-man
|
|
+
|
|
+install-config:
|
|
+ @echo "no config file to install"
|
|
+.PHONY: install-config
|
|
diff -ruN udev-git/extras/root_link/write_root_link_rule udev-git-try/extras/root_link/write_root_link_rule
|
|
--- udev-git/extras/root_link/write_root_link_rule 1970-01-01 01:00:00.000000000 +0100
|
|
+++ udev-git-try/extras/root_link/write_root_link_rule 2007-08-16 16:12:23.000000000 +0200
|
|
@@ -0,0 +1,30 @@
|
|
+#!/bin/sh
|
|
+#
|
|
+# This script should run before doing udevtrigger at boot.
|
|
+# It will create a rule matching the device directory / is on, and
|
|
+# creating /dev/root symlink pointing on its device node.
|
|
+#
|
|
+# This is especially useful for hal looking at /proc/mounts containing
|
|
+# a line listing /dev/root as device:
|
|
+# /dev/root / reiserfs rw 0 0
|
|
+#
|
|
+# This program is free software; you can redistribute it and/or modify it
|
|
+# under the terms of the GNU General Public License as published by the
|
|
+# Free Software Foundation version 2 of the License.
|
|
+#
|
|
+# (c) 2007 Matthias Schwarzott <zzam@gentoo.org>
|
|
+
|
|
+PROG=/lib/udev/get_dir_major_minor
|
|
+[ -x "${PROG}" ] && DEV=$(${PROG} "/")
|
|
+if [ $? = 0 ]; then
|
|
+ MAJOR="${DEV% *}"
|
|
+ MINOR="${DEV#* }"
|
|
+
|
|
+ [ -d /dev/.udev/rules.d ] || mkdir -p /dev/.udev/rules.d
|
|
+ RULES=/dev/.udev/rules.d/10-root-link.rules
|
|
+
|
|
+ echo "# Created by /lib/udev/write_root_link_rule" > "${RULES}"
|
|
+ echo "# This rule should create /dev/root as link to real root device." >> "${RULES}"
|
|
+ echo "SUBSYSTEM==\"block\", ENV{MAJOR}==\"$MAJOR\", ENV{MINOR}==\"$MINOR\", SYMLINK+=\"root\"" >> "${RULES}"
|
|
+fi
|
|
+
|