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Increase initial squashfs size reservation 

To help account for filesystem compression and such (particularly ZFS-on-root with compression enabled), bump the initial size reservation from (7/6) * X to 2 * X
It could probably be a bit lower, but it is probably better to avoid getting too specific to particular compression rates or filesystem optimizations.

Sponsored by: Project Trident
This commit is contained in:
Ken Moore 2019-11-18 16:40:25 -05:00 committed by Michael Aldridge
parent 68a35230cc
commit be02f166cf
1 changed files with 1 additions and 1 deletions
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mklive.sh.in
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@ -255,7 +255,7 @@ generate_squashfs() {
# Find out required size for the rootfs and create an ext3fs image off it.
ROOTFS_SIZE=$(du --apparent-size -sm "$ROOTFS"|awk '{print $1}')
mkdir -p "$BUILDDIR/tmp/LiveOS"
truncate -s "$((ROOTFS_SIZE+ROOTFS_SIZE/6))M" \
truncate -s "$((ROOTFS_SIZE+ROOTFS_SIZE))M" \
"$BUILDDIR"/tmp/LiveOS/ext3fs.img >/dev/null 2>&1
mkdir -p "$BUILDDIR/tmp-rootfs"
mkfs.ext3 -F -m1 "$BUILDDIR/tmp/LiveOS/ext3fs.img" >/dev/null 2>&1