Copyright: rmh
Upstream: waiting to commit untill known to work

diff -ur svn.old/util/grub-install.in svn/util/grub-install.in
--- svn.old/util/grub-install.in	2004-07-23 00:48:23.000000000 +0200
+++ svn/util/grub-install.in	2004-07-26 23:25:59.000000000 +0200
@@ -450,6 +450,20 @@
 # Create a safe temporary file.
 test -n "$mklog" && log_file=`$mklog`
 
+# Sync to prevent GRUB from not finding stage files (notably, on XFS)
+sync
+
+# XFS needs special magic
+xfs_frozen=false
+if which xfs_freeze > /dev/null ; then
+  cat << EOF
+Due to a bug in xfs_freeze, the following command might produce a segmentation
+fault when ${grubdir} is not in an XFS filesystem. This error is harmless and
+can be ignored.
+EOF
+  if xfs_freeze -f ${grubdir} ; then xfs_frozen=true ; fi
+fi
+
 # Now perform the installation.
 $grub_shell --batch $no_floppy --device-map=$device_map <<EOF >$log_file
 root $root_drive
@@ -457,6 +471,10 @@
 quit
 EOF
 
+if ${xfs_frozen} ; then
+  xfs_freeze -u ${grubdir}
+fi
+
 if grep "Error [0-9]*: " $log_file >/dev/null || test $debug = yes; then
     cat $log_file 1>&2
     exit 1