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authorDongxiao Xu <dongxiao.xu@intel.com>2011-10-25 14:47:18 +0800
committerRichard Purdie <richard.purdie@linuxfoundation.org>2011-10-31 23:03:11 +0000
commit2ad87adf2cb4a93eeedfd77b486212e1364bc511 (patch)
tree4200af82308ed09cd08fd2a50917801e70c59085 /meta/recipes-core/netbase/netbase-4.46/nfsroot
parent96316199940d44bf3a0a05ae96bdb3a595744fa6 (diff)
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netbase: upgrade to version 4.46
Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>
Diffstat (limited to 'meta/recipes-core/netbase/netbase-4.46/nfsroot')
-rw-r--r--meta/recipes-core/netbase/netbase-4.46/nfsroot39
1 files changed, 39 insertions, 0 deletions
diff --git a/meta/recipes-core/netbase/netbase-4.46/nfsroot b/meta/recipes-core/netbase/netbase-4.46/nfsroot
new file mode 100644
index 000000000..750c0a98f
--- /dev/null
+++ b/meta/recipes-core/netbase/netbase-4.46/nfsroot
@@ -0,0 +1,39 @@
+#! /bin/sh
+
+# In case the interface is used as nfsroot, avoid ifup, otherwise
+# nfsroot may lose response
+
+nfsroot=0
+
+if test "x$IFACE" = xlo ; then
+ exit 0
+fi
+
+exec 9<&0 < /proc/mounts
+while read dev mtpt fstype rest; do
+ if test $mtpt = "/" ; then
+ case $fstype in
+ nfs | nfs4)
+ nfsroot=1
+ nfs_addr=`echo $rest | sed -e 's/^.*addr=\([0-9.]*\).*$/\1/'`
+ break
+ ;;
+ *)
+ ;;
+ esac
+ fi
+done
+exec 0<&9 9<&-
+
+test $nfsroot -eq 0 && exit 0
+
+if [ -x /bin/ip -o -x /sbin/ip ] ; then
+ nfs_iface=`ip route get $nfs_addr | grep dev | sed -e 's/^.*dev \([-a-z0-9.]*\).*$/\1/'`
+fi
+
+if test "x$IFACE" = "x$nfs_iface" ; then
+ echo "ifup skipped for nfsroot interface $nfs_iface"
+ exit 1
+fi
+
+exit 0