From 670b73fe0a40fc0b353fce64000c059ccd46a631 Mon Sep 17 00:00:00 2001
From: David Sterba <dsterba@suse.com>
Date: Wed, 22 Jun 2016 15:50:17 +0200
Subject: btrfs-progs: tests: add 005-delete-all-rollback

Test if a rollback works after deleing all files from btrfs.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 .../convert-tests/005-delete-all-rollback/test.sh  | 61 ++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100755 tests/convert-tests/005-delete-all-rollback/test.sh

(limited to 'tests/convert-tests')

diff --git a/tests/convert-tests/005-delete-all-rollback/test.sh b/tests/convert-tests/005-delete-all-rollback/test.sh
new file mode 100755
index 00000000..d498e5f8
--- /dev/null
+++ b/tests/convert-tests/005-delete-all-rollback/test.sh
@@ -0,0 +1,61 @@
+#!/bin/bash
+# create a base image, convert to btrfs, remove all files, rollback the ext4 image
+# note: ext4 only
+
+source $TOP/tests/common
+source $TOP/tests/common.convert
+
+setup_root_helper
+prepare_test_dev 512M
+check_prereq btrfs-convert
+
+# simple wrapper for a convert test
+# $1: btrfs features, argument to -O
+# $2: message
+# $3: nodesize value
+# $4 + rest: command to create the ext2 image
+do_test() {
+	local features
+	local msg
+	local nodesize
+	local CHECKSUMTMP
+	local here
+
+	features="$1"
+	msg="$2"
+	nodesize="$3"
+	shift 3
+	convert_test_preamble "$features" "$msg" "$nodesize" "$@"
+	convert_test_prep_fs "$@"
+	populate_fs
+	CHECKSUMTMP=$(mktemp --tmpdir btrfs-progs-convert.XXXXXXXXXX)
+	convert_test_gen_checksums "$CHECKSUMTMP"
+
+	run_check_umount_test_dev
+
+	convert_test_do_convert "$features" "$nodesize"
+	convert_test_post_check "$CHECKSUMTMP"
+
+	run_check_mount_test_dev
+	here=$(pwd)
+	cd "$TEST_MNT" || _fail "cannot cd to TEST_MNT"
+	# ext2_saved/image must not be deleted
+	run_mayfail $SUDO_HELPER find "$TEST_MNT"/ -mindepth 1 -path '*ext2_saved' -prune -o -exec rm -vrf "{}" \;
+	cd "$here"
+	run_check $TOP/btrfs filesystem sync "$TEST_MNT"
+	run_check_umount_test_dev
+	convert_test_post_rollback
+	convert_test_post_check "$CHECKSUMTMP"
+
+	# mount again and verify checksums
+	convert_test_post_check "$CHECKSUMTMP"
+	rm "$CHECKSUMTMP"
+}
+
+for feature in '' 'extref' 'skinny-metadata' 'no-holes'; do
+	do_test "$feature" "ext4 4k nodesize" 4096 mke2fs -t ext4 -b 4096
+	do_test "$feature" "ext4 8k nodesize" 8192 mke2fs -t ext4 -b 4096
+	do_test "$feature" "ext4 16k nodesize" 16384 mke2fs -t ext4 -b 4096
+	do_test "$feature" "ext4 32k nodesize" 32768 mke2fs -t ext4 -b 4096
+	do_test "$feature" "ext4 64k nodesize" 65536 mke2fs -t ext4 -b 4096
+done
-- 
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