build-sys: move pivot_root(8) to sys-utils

This patch moves pivot_root.{8,c) from mount/ to sys-utils/ directory.
There is not ant relation between pivot_root source code and the rest of
code in the mount.

Signed-off-by: Karel Zak <kzak@redhat.com>

4 files changed, 0 insertions, 106 deletions

diff --git a/mount/.gitignore b/mount/.gitignore
index 6de7afcad..db657c719 100644
--- a/mount/.gitignore
+++ b/mount/.gitignore
@@ -1,6 +1,5 @@
 losetup
 mount
 mtab_lock_test
-pivot_root
 swapon
 umount
diff --git a/mount/Makefile.am b/mount/Makefile.am
index a43fcd5dc..00882af31 100644
--- a/mount/Makefile.am
+++ b/mount/Makefile.am
@@ -76,11 +76,6 @@ LDADD_common += $(VOLUMEID_LIBS)
 LDADD_common_static += $(VOLUMEID_LIBS_STATIC)
 endif
 
-if HAVE_PIVOT_ROOT
-sbin_PROGRAMS += pivot_root
-dist_man_MANS += pivot_root.8
-endif
-
 noinst_PROGRAMS = mtab_lock_test
 mtab_lock_test_SOURCES = fstab.c sundries.c xmalloc.c $(headers_common)
 mtab_lock_test_CPPFLAGS = -DMAIN_TEST_MTABLOCK $(AM_CPPFLAGS)
diff --git a/mount/pivot_root.8 b/mount/pivot_root.8
deleted file mode 100644
index 92b12555d..000000000
--- a/mount/pivot_root.8
+++ /dev/null
@@ -1,68 +0,0 @@
-.TH PIVOT_ROOT 8 "Feb 23, 2000" "Linux" "Maintenance Commands"
-.SH NAME
-pivot_root \- change the root file system
-.SH SYNOPSIS
-.B pivot_root
-.RB \fInew_root\fP
-.RB \fIput_old\fP
-.SH DESCRIPTION
-\fBpivot_root\fP moves the root file system of the current process to the
-directory \fIput_old\fP and makes \fInew_root\fP the new root file system.
-Since \fBpivot_root(8)\fP simply calls \fBpivot_root(2)\fP, we refer to
-the man page of the latter for further details.
-
-Note that, depending on the implementation of \fBpivot_root\fP, root and
-cwd of the caller may or may not change. The following is a sequence for
-invoking \fBpivot_root\fP that works in either case, assuming that
-\fBpivot_root\fP and \fBchroot\fP are in the current \fBPATH\fP:
-.sp
-cd \fInew_root\fP
-.br
-pivot_root . \fIput_old\fP
-.br
-exec chroot . \fIcommand\fP
-.sp
-Note that \fBchroot\fP must be available under the old root and under the new
-root, because \fBpivot_root\fP may or may not have implicitly changed the
-root directory of the shell.
-
-Note that \fBexec chroot\fP changes the running executable, which is
-necessary if the old root directory should be unmounted afterwards.
-Also note that standard input, output, and error may still point to a
-device on the old root file system, keeping it busy. They can easily be
-changed when invoking \fBchroot\fP (see below; note the absence of
-leading slashes to make it work whether \fBpivot_root\fP has changed the
-shell's root or not).
-.SH EXAMPLES
-Change the root file system to /dev/hda1 from an interactive shell:
-.sp
-.nf
-mount /dev/hda1 /new-root
-cd /new-root
-pivot_root . old-root
-exec chroot . sh <dev/console >dev/console 2>&1
-umount /old-root
-.fi
-.sp
-Mount the new root file system over NFS from 10.0.0.1:/my_root and run
-\fBinit\fP:
-.sp
-.nf
-ifconfig lo 127.0.0.1 up   # for portmap
-# configure Ethernet or such
-portmap   # for lockd (implicitly started by mount)
-mount -o ro 10.0.0.1:/my_root /mnt
-killall portmap   # portmap keeps old root busy
-cd /mnt
-pivot_root . old_root
-exec chroot . sh -c 'umount /old_root; exec /sbin/init' \\
-  <dev/console >dev/console 2>&1
-.fi
-.SH "SEE ALSO"
-.BR chroot(1),
-.BR mount(8),
-.BR pivot_root(2),
-.BR umount(8)
-.SH AVAILABILITY
-The pivot_root command is part of the util-linux-ng package and is available from
-ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng/.
diff --git a/mount/pivot_root.c b/mount/pivot_root.c
deleted file mode 100644
index ba2dbbed0..000000000
--- a/mount/pivot_root.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/* pivot_root.c - Change the root file system */
-
-/* Written 2000 by Werner Almesberger */
-
-#include <stdio.h>
-#include <sys/syscall.h>
-#include <unistd.h>
-
-#define pivot_root(new_root,put_old) syscall(SYS_pivot_root,new_root,put_old)
-
-#if 0
-/*
- * With kernelheaders 2.3.41 or later, and ancient libc, try the following.
- */
-#include <errno.h>
-#include <linux/unistd.h>
-static
-_syscall2(int,pivot_root,const char *,new_root,const char *,put_old)
-#endif
-
-int main(int argc, const char **argv)
-{
-	if (argc != 3) {
-		fprintf(stderr, "usage: %s new_root put_old\n", argv[0]);
-		return 1;
-	}
-	if (pivot_root(argv[1],argv[2]) < 0) {
-		perror("pivot_root");
-		return 1;
-	}
-	return 0;
-}