On Mon, Jul 01, 2013 at 05:19:21PM +0200, Koen De Wit wrote: > This testscript creates reflinks to files on different subvolumes, > overwrites the original files and reflinks, and moves reflinked files > between subvolumes. > > Originally submitted as testcase 302, changes are made based on comments > from Eric: http://oss.sgi.com/archives/xfs/2013-03/msg00231.html > Two new common/rc functions used in this script (_require_cp_reflink and > _verify_reflink) have been submitted recently: > http://oss.sgi.com/archives/xfs/2013-05/msg00745.html > Thanks to Eric Sandeen and Dave Chinner for the reviews. > > Signed-off-by: Koen De Wit <koen.de.wit@xxxxxxxxxx> > --- > tests/btrfs/316 | 130 > +++++++++++++++++++++++++++++++++++++++++++++++++++ > tests/btrfs/316.out | 39 +++++++++++++++ > tests/btrfs/group | 1 + > 3 files changed, 170 insertions(+), 0 deletions(-) > create mode 100755 tests/btrfs/316 > create mode 100644 tests/btrfs/316.out > > diff --git a/tests/btrfs/316 b/tests/btrfs/316 > new file mode 100755 > index 0000000..7c9c368 > --- /dev/null > +++ b/tests/btrfs/316 > @@ -0,0 +1,130 @@ > +#! /bin/bash > +# FS QA Test No. btrfs/316 > +# > +# Testing cross-subvolume sparse copy on btrfs > +# - Create two subvolumes, mount one of them > +# - Create a file on each (sub/root)volume, > +# reflink them on the other volumes > +# - Change one original and two reflinked files > +# - Move reflinked files between subvolumes > +# > +#----------------------------------------------------------------------- > +# Copyright (c) 2013, Oracle and/or its affiliates. All Rights Reserved. > +# > +# 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. > +# > +# This program is distributed in the hope that it would 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, write the Free Software Foundation, > +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA > +#----------------------------------------------------------------------- > + > +seq=`basename $0` > +echo "QA output created by $seq" > + > +here=`pwd` > +tmp=/tmp/$$ > +status=1 # failure is the default! > +trap "_cleanup; exit \$status" 0 1 2 3 15 > + > +_cleanup() > +{ > + umount $SCRATCH_MNT > + rm -rf $TESTDIR1 > + rm -rf $TESTDIR2 > + btrfs subvolume delete $SUBVOL1 >> $seqres.full > + btrfs subvolume delete $SUBVOL2 >> $seqres.full > + cd / > + rm -f $tmp.* > +} > + > +# get standard environment, filters and checks > +. ./common/rc > +. ./common/filter > + > +# real QA test starts here > +_supported_fs btrfs > +_supported_os Linux > + > +_require_scratch > +_require_cp_reflink > + > +_checksum_files() { > + for F in file1 file2 file3 > + do > + for D in $TESTDIR1 $SCRATCH_MNT $SUBVOL2 > + do > + md5sum $D/$F | _filter_test_dir | _filter_scratch > + done > + done > +} > + > +TESTDIR1=$TEST_DIR/test-$seq-1 > +TESTDIR2=$TEST_DIR/test-$seq-2 > +SUBVOL1=$TEST_DIR/subvol-$seq-1 > +SUBVOL2=$TEST_DIR/subvol-$seq-2 > + > +_scratch_unmount 2>/dev/null > +rm -rf $seqres.full > +rm -rf $TESTDIR1 $TESTDIR2 > +btrfs subvol delete $SUBVOL1 >/dev/null 2>&1 > +btrfs subvol delete $SUBVOL2 >/dev/null 2>&1 > + > +mkdir $TESTDIR1 > +mkdir $TESTDIR2 > +btrfs subvolume create $SUBVOL1 >> $seqres.full > +btrfs subvolume create $SUBVOL2 >> $seqres.full > +_mount -t btrfs -o subvol=subvol-$seq-1 $TEST_DEV $SCRATCH_MNT > + > +echo "Create initial files" > +# TESTDIR1/file1 is very small and will be inlined > +$XFS_IO_PROG -f -c 'pwrite -S 0x61 0 10' $TESTDIR1/file1 >> $seqres.full > +$XFS_IO_PROG -f -c 'pwrite -S 0x62 0 13000' $SCRATCH_MNT/file2 >> > $seqres.full > +$XFS_IO_PROG -f -c 'pwrite -S 0x63 0 17000' $SUBVOL2/file3 >> $seqres.full > + > +echo "Create reflinks to the initial files on other subvolumes" > +cp --reflink $TESTDIR1/file1 $SUBVOL1 > +cp --reflink $TESTDIR1/file1 $SUBVOL2 > +cp --reflink $SUBVOL1/file2 $TESTDIR1/ > +cp --reflink $SUBVOL1/file2 $SUBVOL2 > +cp --reflink $SUBVOL2/file3 $TESTDIR1/ > +cp --reflink $SUBVOL2/file3 $SUBVOL1 > + > +echo "Verify the reflinks" > +_verify_reflink $SCRATCH_MNT/file2 $TESTDIR1/file2 > +_verify_reflink $SCRATCH_MNT/file2 $SUBVOL2/file2 > +_verify_reflink $SUBVOL2/file3 $TESTDIR1/file3 > +_verify_reflink $SUBVOL2/file3 $SCRATCH_MNT/file3 > +echo "Verify the file contents:" > +_checksum_files > + > +echo -e "---\nOverwrite some files with new content" > +$XFS_IO_PROG -c 'pwrite -S 0x64 0 20' $TESTDIR1/file1 >> $seqres.full > +$XFS_IO_PROG -c 'pwrite -S 0x66 0 21000' $SUBVOL2/file2 >> $seqres.full > +$XFS_IO_PROG -c 'pwrite -S 0x65 5000 5000' $SCRATCH_MNT/file3 >> > $seqres.full Line wrapped here ^^, patch won't apply cleanly. Thanks, Josef _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
