diff --git a/tests/btrfs/110 b/tests/btrfs/110 new file mode 100755 index 00000000..45c0ce31 --- /dev/null +++ b/tests/btrfs/110 @@ -0,0 +1,120 @@ +#! /bin/bash +# FS QA Test No. btrfs/110 +# +# Test that sending and receiving snapshots across different filesystems works +# for full and incremental send operations. +# +#----------------------------------------------------------------------- +# Copyright (C) 2015 SUSE Linux Products GmbH. All Rights Reserved. +# Author: Filipe Manana +# +# 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 $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -fr $send_files_dir + rm -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# real QA test starts here +_supported_fs btrfs +_supported_os Linux +_require_scratch +_need_to_be_root + +send_files_dir=$TEST_DIR/btrfs-test-$seq + +rm -f $seqres.full +rm -fr $send_files_dir +mkdir $send_files_dir + +_scratch_mkfs >>$seqres.full 2>&1 +_scratch_mount + +# Create a test file +$XFS_IO_PROG -f -c "pwrite -S 0xaa 0K 32K" $SCRATCH_MNT/foo | _filter_xfs_io + +# Create the first snapshot. +_run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/snap1 + +echo "File digest in the first filesystem, first snapshot:" +md5sum $SCRATCH_MNT/snap1/foo | _filter_scratch + +# Save send stream for this snapshot. +_run_btrfs_util_prog send $SCRATCH_MNT/snap1 -f $send_files_dir/1.snap + +# Create a new filesystem and receive the snapshot. +_scratch_unmount +_scratch_mkfs >>$seqres.full 2>&1 +_scratch_mount + +_run_btrfs_util_prog receive $SCRATCH_MNT -f $send_files_dir/1.snap + +echo "File digest in the second filesystem, first snapshot:" +# Must match the digest we got in the first filesystem. +md5sum $SCRATCH_MNT/snap1/foo | _filter_scratch + +# Snapshot the first snapshot as rw, modify this new snapshot and then snapshot +# it as RO to use in a send operation (send requires RO snapshots). +_run_btrfs_util_prog subvolume snapshot $SCRATCH_MNT/snap1 $SCRATCH_MNT/snap2_rw + +$XFS_IO_PROG -c "pwrite -S 0xbb 4K 4K" \ + $SCRATCH_MNT/snap2_rw/foo | _filter_xfs_io + +_run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT/snap2_rw \ + $SCRATCH_MNT/snap2 + +echo "File digest in the second filesystem, second snapshot:" +md5sum $SCRATCH_MNT/snap2/foo | _filter_scratch + +_run_btrfs_util_prog send -p $SCRATCH_MNT/snap1 $SCRATCH_MNT/snap2 \ + -f $send_files_dir/2.snap + +# Create a new filesystem and receive both the first snapshot, through the first +# send stream we created, and the second snapshot through the incremental send +# stream we just created. Verify this works and the file data is correct in both +# snapshots. +_scratch_unmount +_scratch_mkfs >>$seqres.full 2>&1 +_scratch_mount + +_run_btrfs_util_prog receive $SCRATCH_MNT -f $send_files_dir/1.snap +# Receiving the second snapshot used to fail because the send stream used an +# incorrect value for the clone sources uuid field - it used the uuid of +# snapshot 1, which is different on each filesystem, instead of the received +# uuid value, which is preserved across different filesystems. +_run_btrfs_util_prog receive $SCRATCH_MNT -f $send_files_dir/2.snap + +echo "File digests in the third filesystem:" +# Must match the digests we got in the previous filesystems. +md5sum $SCRATCH_MNT/snap1/foo | _filter_scratch +md5sum $SCRATCH_MNT/snap2/foo | _filter_scratch + +status=0 +exit diff --git a/tests/btrfs/110.out b/tests/btrfs/110.out new file mode 100644 index 00000000..566a5ebe --- /dev/null +++ b/tests/btrfs/110.out @@ -0,0 +1,14 @@ +QA output created by 110 +wrote 32768/32768 bytes at offset 0 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +File digest in the first filesystem, first snapshot: +c28418534a020122aca59fd3ff9581b5 SCRATCH_MNT/snap1/foo +File digest in the second filesystem, first snapshot: +c28418534a020122aca59fd3ff9581b5 SCRATCH_MNT/snap1/foo +wrote 4096/4096 bytes at offset 4096 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +File digest in the second filesystem, second snapshot: +b93cf657bd4e3fa6f6a7f3d1142fd691 SCRATCH_MNT/snap2/foo +File digests in the third filesystem: +c28418534a020122aca59fd3ff9581b5 SCRATCH_MNT/snap1/foo +b93cf657bd4e3fa6f6a7f3d1142fd691 SCRATCH_MNT/snap2/foo diff --git a/tests/btrfs/group b/tests/btrfs/group index 0e72f072..06cf7175 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -112,3 +112,4 @@ 107 auto quick prealloc 108 auto quick send clone 109 auto quick send clone compress +110 auto quick send