From: Darrick J. Wong <djwong@xxxxxxxxxx>
If verity is enabled on a filesystem, we should create some sample
verity files.
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
common/populate | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/common/populate b/common/populate
index 35071f4210..3f3ec0480d 100644
--- a/common/populate
+++ b/common/populate
@@ -520,6 +520,27 @@ _scratch_xfs_populate() {
done
fi
+ # verity merkle trees
+ is_verity="$(_xfs_has_feature "$SCRATCH_MNT" verity -v)"
+ if [ $is_verity -gt 0 ]; then
+ echo "+ fsverity"
+
+ # Create a biggish file with all zeroes, because metadump
+ # won't preserve data blocks and we don't want the hashes to
+ # stop working for our sample fs.
+ for ((pos = 0, i = 88; pos < 23456789; pos += 234567, i++)); do
+ $XFS_IO_PROG -f -c "pwrite -S 0 $pos 234567" "$SCRATCH_MNT/verity"
+ done
+
+ fsverity enable "$SCRATCH_MNT/verity"
+
+ # Create a sparse file
+ $XFS_IO_PROG -f -c "pwrite -S 0 0 3" "$SCRATCH_MNT/sparse_verity"
+ truncate -s 23456789 "$SCRATCH_MNT/sparse_verity"
+ $XFS_IO_PROG -f -c "pwrite -S 0 23456789 3" "$SCRATCH_MNT/sparse_verity"
+ fsverity enable "$SCRATCH_MNT/sparse_verity"
+ fi
+
# Copy some real files (xfs tests, I guess...)
echo "+ real files"
test $fill -ne 0 && __populate_fill_fs "${SCRATCH_MNT}" 5
