On 8/8/23 13:21, Sweet Tea Dorminy wrote:
Make sure that snapshots of encrypted data are readable and writeable. Test deliberately high-numbered to not conflict. Signed-off-by: Sweet Tea Dorminy <sweettea-kernel@xxxxxxxxxx> --- tests/btrfs/614 | 76 ++++++++++++++++++++++++++++++ tests/btrfs/614.out | 111 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 187 insertions(+) create mode 100755 tests/btrfs/614 create mode 100644 tests/btrfs/614.out diff --git a/tests/btrfs/614 b/tests/btrfs/614 new file mode 100755 index 00000000..87dd27f9 --- /dev/null +++ b/tests/btrfs/614 @@ -0,0 +1,76 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2023 Meta Platforms, Inc. All Rights Reserved. +# +# FS QA Test 614 +# +# Try taking a snapshot of an encrypted subvolume. Make sure the snapshot is +# still readable. Rewrite part of the subvol with the same data; make sure it's +# still readable. +# +. ./common/preamble +_begin_fstest auto encrypt + +# Import common functions. +. ./common/encrypt +. ./common/filter + +# real QA test starts here +_supported_fs btrfs + +_require_test +_require_scratch +_require_scratch_encryption -v 2 +_require_command "$KEYCTL_PROG" keyctl + +_scratch_mkfs_encrypted &>> $seqres.full +_scratch_mount + +udir=$SCRATCH_MNT/reference +dir=$SCRATCH_MNT/subvol +dir2=$SCRATCH_MNT/subvol2 +$BTRFS_UTIL_PROG subvolume create $dir >> $seqres.full +mkdir $udir + +_set_encpolicy $dir $TEST_KEY_IDENTIFIER +_add_enckey $SCRATCH_MNT "$TEST_RAW_KEY" + +# get files with lots of extents by using backwards writes. +for j in `seq 0 50`; do + for i in `seq 20 -1 1`; do + $XFS_IO_PROG -f -d -c "pwrite $(($i * 4096)) 4096" \ + $dir/foo-$j >> $seqres.full | _filter_xfs_io + $XFS_IO_PROG -f -d -c "pwrite $(($i * 4096)) 4096" \ + $udir/foo-$j >> $seqres.full | _filter_xfs_io + done +done + +$BTRFS_UTIL_PROG subvolume snapshot $dir $dir2 | _filter_scratch + +_scratch_remount +_add_enckey $SCRATCH_MNT "$TEST_RAW_KEY" +sleep 30
Just noticed this sleep, will remove it in the next version.
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