btrfs-progs/tests/convert-tests.sh
Adam Buchbinder 4156fadc53 btrfs-progs: Use sparse files for filesystem conversion tests
On my system, this brings the FS conversion test suite's runtime from over
ten seconds down to under two.

Thanks to Julien Muchembled for the suggestion.

Signed-off-by: Adam Buchbinder <abuchbinder@google.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
2014-08-22 14:43:09 +02:00

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#!/bin/bash
#
# convert ext2/3/4 images to btrfs images, and make sure the results are
# clean.
#
here=`pwd`
_fail()
{
echo "$*" | tee -a convert-tests-results.txt
exit 1
}
rm -f convert-tests-results.txt
test(){
echo " [TEST] $1"
shift
echo "creating ext image with: $*" >> convert-tests-results.txt
# 256MB is the smallest acceptable btrfs image.
rm -f $here/test.img >> convert-tests-results.txt 2>&1 \
|| _fail "could not remove test image file"
truncate -s 256M $here/test.img >> convert-tests-results.txt 2>&1 \
|| _fail "could not create test image file"
$* -F $here/test.img >> convert-tests-results.txt 2>&1 \
|| _fail "filesystem create failed"
$here/btrfs-convert $here/test.img >> convert-tests-results.txt 2>&1 \
|| _fail "btrfs-convert failed"
$here/btrfsck $here/test.img >> convert-tests-results.txt 2>&1 \
|| _fail "btrfsck detected errors"
}
# btrfs-convert requires 4k blocksize.
test "ext2" mke2fs -b 4096
test "ext3" mke2fs -j -b 4096
test "ext4" mke2fs -t ext4 -b 4096