Created
October 18, 2020 12:43
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Mount bcache for pbuilder/build
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#!/bin/bash | |
set -e | |
function wait_for_file() { | |
for i in $(seq 1 15) | |
do | |
test -e "$1" && break | |
sleep 1 | |
done | |
test -e "$1" | |
return $? | |
} | |
wait_for_file /var/cache/pbuilder/build-loop.img | |
wipefs -a /var/cache/pbuilder/build-loop.img | |
losetup /dev/loop0 /var/cache/pbuilder/build-loop.img | |
modprobe brd rd_nr=1 rd_size=524288 | |
wait_for_file /dev/ram0 | |
make-bcache -B /dev/loop0 -C /dev/ram0 | |
wait_for_file /sys/fs/bcache/register | |
echo /dev/ram0 > /sys/fs/bcache/register | |
wait_for_file /sys/block/bcache0/bcache/cache_mode | |
echo writeback > /sys/block/bcache0/bcache/cache_mode | |
wait_for_file /dev/bcache0 | |
wipefs -a /dev/bcache0 | |
mkfs -t ext2 /dev/bcache0 | |
mount -t ext2 /dev/bcache0 /var/cache/pbuilder/build -o noatime | |
echo DONE |
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