commit: 466e9c7220d6c656113457ddf5aa35c5265a6b7c
Author: Fernando Reyes (likewhoa) <design <AT> missionaccomplish <DOT> com>
AuthorDate: Thu Jul 10 01:53:07 2014 +0000
Commit: Richard Farina <zerochaos <AT> gentoo <DOT> org>
CommitDate: Tue Aug 11 18:21:16 2015 +0000
URL: https://gitweb.gentoo.org/proj/genkernel.git/commit/?id=466e9c72
Changed to the dd command which creates the livecd.aufs image for
the aufs writable branch to make the process faster we create a
sparse file. Added a check for a block device so that we don't try
mounting the aufs device & some small comestic changes.
defaults/initrd.scripts | 33 ++++++++++++++++++++++-----------
defaults/linuxrc | 3 ++-
2 files changed, 24 insertions(+), 12 deletions(-)
diff --git a/defaults/initrd.scripts b/defaults/initrd.scripts
index 2e48504..5c7703b 100644
--- a/defaults/initrd.scripts
+++ b/defaults/initrd.scripts
@@ -376,7 +376,7 @@ create_changefs() {
local size
while :; do
- read -p '<< Size of file (Press Enter for default 256 Mb): '
size
+ read -p '<< Size of file (Press Enter for default 256 MB): '
size
size=${size:-256}
@@ -386,13 +386,13 @@ create_changefs() {
elif [ 15 -ge "$size" ]; then
bad_msg "Please give a size of at least 16 Megabytes"
else
- if dd if=/dev/zero "of=$aufs_dev_mnt$aufs_union_file"
bs=1M count="$size" &>/dev/null; then
- good_msg "Creation of $aufs_union_file,
${size}Mb on $aufs_dev successful, formatting it ext2"
+ if dd if=/dev/zero "of=$aufs_dev_mnt$aufs_union_file"
bs=1 seek="$size"M count=0 &>/dev/null; then
+ good_msg "Creation of $aufs_union_file,
${size}MB on $aufs_dev successful, formatting it ext2"
mke2fs -F "$aufs_dev_mnt$aufs_union_file"
&>/dev/null
break
else
rm "$aufs_dev_mnt$aufs_union_file"
- bad_msg "Unable to create ${aufs_union_file#*/}
on $aufs_dev of ${size}Mb"
+ bad_msg "Unable to create ${aufs_union_file#*/}
on $aufs_dev of ${size}MB"
bad_msg "Ensure your disk is not full or
read-only"
read -p '<< Type "a" to abort, anything else to
continue : ' doabort
@@ -410,13 +410,19 @@ create_changefs() {
setup_aufs() {
bootstrapCD
- if [ -n "$aufs_dev" ]; then
- good_msg "Mounting $aufs_dev to $aufs_memory for aufs support"
+ if [ -n "$aufs_dev" ]; then
+ if [ ! -b $aufs_dev ]; then
+ bad_msg "$aufs_dev is not a valid block device"
+ local invalidblk=1
+ unset aufs_dev
+ else
+ good_msg "Mounting $aufs_dev to $aufs_memory for aufs
support"
- if ! mount -t auto "$aufs_dev" "$aufs_dev_mnt" &>/dev/null; then
- bad_msg "Mount of $aufs_dev failed, falling back to
ramdisk based aufs"
- unset aufs_dev
- fi
+ if ! mount -t auto "$aufs_dev" "$aufs_dev_mnt"
&>/dev/null; then
+ bad_msg "Mount of $aufs_dev failed, falling
back to ramdisk based aufs"
+ unset aufs_dev
+ fi
+ fi
# Check and attempt to create the AUFS union file
if [ ! -e $aufs_dev_mnt$aufs_union_file ] && [ -n "$aufs_dev"
]; then
@@ -455,7 +461,12 @@ setup_aufs() {
aufs_xino=$aufs_memory
umount "$aufs_memory" &>/dev/null
- bad_msg "Create an extfs ${aufs_union_file#*/} file on
this device"
+ if [ 1 = "$invalidblk" ]; then
+ bad_msg "Verify that you've entered a valid
device path"
+ else
+ bad_msg "Create an extfs ${aufs_union_file#*/}
file on this device"
+ fi
+
bad_msg "if you wish to have aufs data persistency on
reboots"
bad_msg "Falling back to ramdisk based aufs"
good_msg "Mounting ramdisk to $aufs_memory for aufs
support"
diff --git a/defaults/linuxrc b/defaults/linuxrc
index 276f150..3098866 100644
--- a/defaults/linuxrc
+++ b/defaults/linuxrc
@@ -786,6 +786,7 @@ distfiles /usr/portage/distfiles tmpfs
defaults 0 0
FSTAB
fi
+ # When aufs.modules= is used
if [ 1 = "$aufs_modules" ]; then
warn_msg "Adding all modules in
$aufs_modules_dev/modules/"
@@ -804,7 +805,7 @@ FSTAB
cp /etc/sysconfig/keyboard "$CHROOT/etc/sysconfig/"
fi
- # Create the diuectories for our new union mounts
+ # Create the directories for our new union mounts
[ ! -d $CHROOT$NEW_ROOT ] && mkdir -p "$CHROOT$NEW_ROOT"
# Check to see if we successfully mounted $aufs_dev
