diff options
| -rw-r--r-- | tests/Makefile.am | 1 | ||||
| -rwxr-xr-x | tests/cp/sparse-fiemap | 56 |
2 files changed, 57 insertions, 0 deletions
diff --git a/tests/Makefile.am b/tests/Makefile.am index 1e4e3009f..081ae8e34 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -25,6 +25,7 @@ root_tests = \ cp/special-bits \ cp/cp-mv-enotsup-xattr \ cp/capability \ + cp/sparse-fiemap \ dd/skip-seek-past-dev \ install/install-C-root \ ls/capability \ diff --git a/tests/cp/sparse-fiemap b/tests/cp/sparse-fiemap new file mode 100755 index 000000000..21b02acac --- /dev/null +++ b/tests/cp/sparse-fiemap @@ -0,0 +1,56 @@ +#!/bin/sh +# Test cp --sparse=always through fiemap copy + +# Copyright (C) 2006-2010 Free Software Foundation, Inc. + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +if test "$VERBOSE" = yes; then + set -x + cp --version +fi + +. $srcdir/test-lib.sh +require_root_ + +cwd=`pwd` +cleanup_() { cd /; umount "$cwd/mnt"; } + +skip=0 +# Create an ext4 loopback file system +dd if=/dev/zero of=blob bs=8192 count=1000 || skip=1 +mkdir mnt +mkfs -t ext4 -F blob || + skip_test_ "failed to create ext4 file system" +mount -oloop blob mnt || skip=1 +cd mnt || skip=1 +echo test > f || skip=1 +test -s f || skip=1 + +test $skip = 1 && + skip_test_ "insufficient mount/ext4 support" + +# Create a 1TiB sparse file +dd if=/dev/zero of=mnt/sparse bs=1k count=1 seek=1G || framework_failure + + +# It takes many minutes to copy this sparse file using the old method. +# By contrast, it takes far less than 1 second using FIEMAP-copy. +timeout 10 cp --sparse=always sparse fiemap || fail=1 + +# Ensure that the sparse file copied through fiemap has the same size +# in bytes as the original. +test $(stat --printf %s sparse) = $(stat --printf %s fiemap) || fail=1 + +Exit $fail |