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author | Qu Wenruo <wqu@suse.com> | 2017-11-29 16:58:43 +0800 |
---|---|---|
committer | David Sterba <dsterba@suse.com> | 2018-01-08 18:15:22 +0100 |
commit | 0ba347f315435f8dd6d3158ac82ec104cff443a2 (patch) | |
tree | 863b98f98a3bba05f4cb8166f97a829a831a3aff /tests/mkfs-tests | |
parent | 1733989352244572a0a53862c9377d21cbbcecf7 (diff) |
btrfs-progs: tests/mkfs: verify that mkfs.btrfs rootdir+shrink behaves correctly
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'tests/mkfs-tests')
-rwxr-xr-x | tests/mkfs-tests/012-rootdir-no-shrink/test.sh | 39 |
1 files changed, 39 insertions, 0 deletions
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 00000000..c1cb04f5 --- /dev/null +++ b/tests/mkfs-tests/012-rootdir-no-shrink/test.sh @@ -0,0 +1,39 @@ +#!/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 --rootdir "$tmp" "$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 "$TOP/mkfs.btrfs" -f --rootdir "$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" |