From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from victor.provo.novell.com ([137.65.250.26]:35014 "EHLO prv3-mh.provo.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753764AbdK2JQe (ORCPT ); Wed, 29 Nov 2017 04:16:34 -0500 From: Qu Wenruo To: linux-btrfs@vger.kernel.org Cc: dsterba@suse.cz Subject: [PATCH 9/9] btrfs-progs: tests/mkfs: Introduce test case to verify if mkfs.btrfs rootdir shrink behaves correctly Date: Wed, 29 Nov 2017 17:16:04 +0800 Message-Id: <20171129091604.2194-10-wqu@suse.com> In-Reply-To: <20171129091604.2194-1-wqu@suse.com> References: <20171129091604.2194-1-wqu@suse.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: Signed-off-by: Qu Wenruo --- tests/mkfs-tests/012-rootdir-no-shrink/test.sh | 38 ++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100755 tests/mkfs-tests/012-rootdir-no-shrink/test.sh diff --git a/tests/mkfs-tests/012-rootdir-no-shrink/test.sh b/tests/mkfs-tests/012-rootdir-no-shrink/test.sh new file mode 100755 index 000000000000..1dfa55b376f6 --- /dev/null +++ b/tests/mkfs-tests/012-rootdir-no-shrink/test.sh @@ -0,0 +1,38 @@ +#!/bin/bash +# Test if mkfs.btrfs --rootdir will skip shrinking correctly + +source "$TOP/tests/common" + +check_prereq mkfs.btrfs + +setup_root_helper + +fs_size=$((512 * 1024 * 1024)) +bs=$((1024 * 1024)) +tmp=$(mktemp -d --tmpdir btrfs-progs-mkfs.rootdirXXXXXXX) + +prepare_test_dev $fs_size + +### no shrink case ### + +run_check "$TOP/mkfs.btrfs" -f -r $tmp "$TEST_DEV" +run_check_mount_test_dev + +# We should be able to write at least half of the fs size data since +# the fs is not shrunk +run_check $SUDO_HELPER dd if=/dev/zero bs=$bs count=$(($fs_size / $bs / 2)) \ + of="$TEST_MNT/file" + +run_check_umount_test_dev + +### shrink case ### +run_check "$TOP/mkfs.btrfs" -f -r $tmp --shrink "$TEST_DEV" +run_check_mount_test_dev + +run_mustfail "mkfs.btrfs for shrink rootdir" \ + $SUDO_HELPER dd if=/dev/zero bs=$bs count=$(($fs_size / $bs / 2)) \ + of="$TEST_MNT/file" + +run_check_umount_test_dev + +rm -rf -- "$tmp" -- 2.15.0