(no author)
88a664e148
git-svn-id: http://svn.sabayonlinux.org/overlay@1949 d7aec97c-591d-0410-af39-a8856400b30a
120 lines
3.4 KiB
Diff
120 lines
3.4 KiB
Diff
diff -Nurp genkernel-3.4.9.orig/generic/initrd.scripts genkernel-3.4.9/generic/initrd.scripts
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--- genkernel-3.4.9.orig/generic/initrd.scripts 2008-02-03 13:14:20.000000000 +0000
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+++ genkernel-3.4.9/generic/initrd.scripts 2008-02-03 13:15:16.000000000 +0000
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@@ -207,6 +207,13 @@ union_setup_dir() {
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fi
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}
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+aufs_setup_dir() {
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+ mount -t aufs -o br=$OVERLAY:$2 none $1
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+ if [ "$?" -eq '0' ]; then
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+ good_msg "Addition of $2 to $OVERLAY merged into $1"
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+ fi
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+}
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+
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findnfsmount() {
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if [ "${IP}" != '' ] || busybox udhcpc -R rootpath -n -s /bin/udhcpc.scripts
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@@ -928,6 +935,20 @@ rundebugshell() {
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fi
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}
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+setup_aufs() {
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+ if [ "${USE_AUFS_NORMAL}" -eq '1' ]
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+ then
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+ # Directory used for rw changes in union mount filesystem
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+ UNION=/aufs
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+ OVERLAY=/overlay
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+ mkdir -p ${UNION}
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+ mkdir -p ${OVERLAY}
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+ mount -t tmpfs none ${OVERLAY}
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+ good_msg "Loading aufs module (if module)"
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+ modprobe aufs > /dev/null 2>&1
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+ fi
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+}
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+
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setup_unionfs() {
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if [ "${USE_UNIONFS_NORMAL}" = '1' ]
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then
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diff -Nurp genkernel-3.4.9.orig/generic/linuxrc genkernel-3.4.9/generic/linuxrc
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--- genkernel-3.4.9.orig/generic/linuxrc 2008-02-03 13:14:20.000000000 +0000
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+++ genkernel-3.4.9/generic/linuxrc 2008-02-03 13:18:28.000000000 +0000
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@@ -84,6 +84,9 @@ do
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unionfs)
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USE_UNIONFS_NORMAL=1
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;;
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+ aufs)
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+ USE_AUFS_NORMAL=1
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+ ;;
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unionfs\=*)
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USE_UNIONFS_NORMAL=1
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CMD_UNIONFS=`parse_opt "${x}"`
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@@ -252,11 +255,12 @@ then
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startLUKS
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fi
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-# Set up unionfs
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+# Set up unionfs or aufs
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mkdir -p ${NEW_ROOT}
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setup_unionfs
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+setup_aufs
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-if [ "${USE_UNIONFS_NORMAL}" = '1' ]
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+if [ "${USE_UNIONFS_NORMAL}" -eq '1' ] || [ "${USE_AUFS_NORMAL}" -eq '1' ]
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then
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CHROOT=${UNION}
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else
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@@ -276,7 +280,7 @@ fi
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if [ "${CDROOT}" = '1' ]
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then
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- if [ ! "${USE_UNIONFS_NORMAL}" = '1' ]
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+ if [ ! "${USE_UNIONFS_NORMAL}" -eq '1' ] && [ ! "${USE_AUFS_NORMAL}" -eq '1' ]
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then
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good_msg "Making tmpfs for ${NEW_ROOT}"
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mount -t tmpfs tmpfs ${NEW_ROOT}
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@@ -610,6 +614,22 @@ then
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mv /${UNION}/etc/fstab.new /${UNION}/etc/fstab
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fi
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+ if [ "${USE_AUFS_NORMAL}" -eq '1' ]
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+ then
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+ aufs_setup_dir ${UNION} ${NEW_ROOT}/${FS_LOCATION}
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+
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+ mkdir -p ${UNION}/mnt/livecd
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+ if [ ! -e "${UNION}/mnt/cdrom" ]; then
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+ mkdir ${UNION}/mnt/cdrom -p
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+ fi
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+ mount --bind ${NEW_ROOT}/${FS_LOCATION} ${UNION}/mnt/livecd
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+ mount --bind ${NEW_ROOT}/mnt/cdrom ${UNION}/mnt/cdrom
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+
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+ # Make sure fstab notes livecd is mounted ro. Makes system skip remount which fails on aufs dirs.
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+ sed -e 's|\(.*\s/\s*tmpfs\s*\)defaults\(.*\)|\1defaults,ro\2|' /${UNION}/etc/fstab > /${UNION}/etc/fstab.new
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+ mv /${UNION}/etc/fstab.new /${UNION}/etc/fstab
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+ fi
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+
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# Unpacking additional packages from NFS mount
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# This is useful for adding kernel modules to /lib
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# We do this now, so that additional packages can add whereever they want.
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@@ -627,7 +647,7 @@ then
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fi
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- if [ "${USE_UNIONFS_NORMAL}" != '1' ]
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+ if [ ! "${USE_UNIONFS_NORMAL}" -eq '1' ] && [ ! "${USE_AUFS_NORMAL}" -eq '1' ]
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then
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good_msg "Copying read-write image contents to tmpfs"
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# Copy over stuff that should be writable
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@@ -710,6 +730,11 @@ else
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union_setup_dir ${UNION} ${NEW_ROOT}/${FS_LOCATION}
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mkdir -p ${UNION}/tmp/.initrd
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fi
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+ if [ "${USE_AUFS_NORMAL}" -eq '1' ]
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+ then
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+ aufs_setup_dir ${UNION} ${NEW_ROOT}/${FS_LOCATION}
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+ mkdir -p ${UNION}/tmp/.initrd
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+ fi
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fi
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# Execute script on the cdrom just before boot to update things if necessary
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