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 <abuchbin...@google.com>
---
tests/convert-tests.sh | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/tests/convert-tests.sh b/tests/convert-tests.sh
index 87369c5..9f7a5c8 100644
--- a/tests/convert-tests.sh
+++ b/tests/convert-tests.sh
@@ -13,15 +13,16 @@ _fail()
}
rm -f convert-tests-results.txt
-rm -f test.img
test(){
echo " [TEST] $1"
- shift
- echo "creating ext image with: $*" >> convert-tests-results.txt
+ shift
+ echo "creating ext image with: $*" >> convert-tests-results.txt
# 256MB is the smallest acceptable btrfs image.
- dd if=/dev/zero of=$here/test.img bs=1024 count=$((256*1024)) \
- >> convert-tests-results.txt 2>&1 || _fail "dd failed"
+ 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 \
@@ -30,6 +31,7 @@ test(){
|| _fail "btrfsck detected errors"
}
-test "ext2, 4k blocksize" mke2fs -b 4096
-test "ext3, 4k blocksize" mke2fs -j -b 4096
-test "ext4, 4k blocksize" mke2fs -t ext4 -b 4096
+# btrfs-convert requires 4k blocksize.
+test "ext2" mke2fs -b 4096
+test "ext3" mke2fs -j -b 4096
+test "ext4" mke2fs -t ext4 -b 4096
--
2.0.0.526.g5318336
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