diff options
Diffstat (limited to 'tests/f_verity/mkimage.sh')
-rwxr-xr-x | tests/f_verity/mkimage.sh | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/f_verity/mkimage.sh b/tests/f_verity/mkimage.sh new file mode 100755 index 0000000..565083e --- /dev/null +++ b/tests/f_verity/mkimage.sh @@ -0,0 +1,28 @@ +#!/bin/bash + +# This is the script that was used to create the image.gz in this directory. + +set -e -u + +mkdir -p mnt +umount mnt &> /dev/null || true + +dd if=/dev/zero of=image bs=4096 count=128 +mke2fs -O 'verity,extents' -b 4096 -N 128 image +mount image mnt + +# Create a verity file, but make it fragmented so that it needs at least one +# extent tree index node, in order to cover the scan_extent_node() case. +for i in {1..80}; do + head -c 4096 /dev/zero > mnt/tmp_$i +done +for i in {1..80..2}; do + rm mnt/tmp_$i +done +head -c $((40 * 4096)) /dev/zero > mnt/file +fsverity enable mnt/file +rm mnt/tmp_* + +umount mnt +rmdir mnt +gzip -9 -f image |