| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2015 Fujitsu. All Rights Reserved. |
| # |
| # FS QA Test No. 091 |
| # |
| # Test for incorrect exclusive reference count after cloning file |
| # between subvolumes. |
| # |
| seq=`basename $0` |
| seqres=$RESULT_DIR/$seq |
| 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() |
| { |
| rm -f $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/reflink |
| |
| # real QA test starts here |
| |
| _supported_fs btrfs |
| _require_scratch |
| _require_cp_reflink |
| |
| rm -f $seqres.full |
| |
| # use largest node/leaf size (64K) to allow the test to be run on arch with |
| # page size > 4k. |
| NODESIZE=65536 |
| SUPPORT_NOINODE_CACHE="yes" |
| |
| run_check _scratch_mkfs "--nodesize $NODESIZE" |
| |
| # inode cache will also take space in fs tree, disable them to get consistent |
| # result. |
| # discard error output since we will check return value manually. |
| # also disable all compression, or output will mismatch with golden output |
| _try_scratch_mount "-o noinode_cache,compress=no,compress-force=no" 2> /dev/null |
| |
| # Check for old kernel which doesn't support 'noinode_cache' mount option |
| if [ $? -ne 0 ]; then |
| support_noinode_cache="no" |
| _scratch_mount |
| fi |
| |
| _run_btrfs_util_prog subvolume create $SCRATCH_MNT/subv1 |
| _run_btrfs_util_prog subvolume create $SCRATCH_MNT/subv2 |
| _run_btrfs_util_prog subvolume create $SCRATCH_MNT/subv3 |
| |
| _run_btrfs_util_prog quota enable $SCRATCH_MNT |
| _run_btrfs_util_prog quota rescan -w $SCRATCH_MNT |
| |
| # if we don't support noinode_cache mount option, then we should double check |
| # whether inode cache is enabled before executing the real test payload. |
| if [ $SUPPORT_NOINODE_CACHE == "no" ]; then |
| EMPTY_SIZE=`$BTRFS_UTIL_PROG qgroup show $units $SCRATCH_MNT | \ |
| $SED_PROG -n '/[0-9]/p' | $AWK_PROG '{print $2}' | head -n1` |
| if [ $EMPTY_SIZE != $NODESIZE ]; then |
| _notrun "Kernel doesn't support to disable inode cache" |
| fi |
| fi |
| |
| $XFS_IO_PROG -f -c "pwrite 0 256K" $SCRATCH_MNT/subv1/file1 | _filter_xfs_io |
| cp --reflink $SCRATCH_MNT/subv1/file1 $SCRATCH_MNT/subv2/file1 |
| cp --reflink $SCRATCH_MNT/subv1/file1 $SCRATCH_MNT/subv3/file1 |
| |
| # Current btrfs use tree search ioctl to show quota, which will only show info |
| # in commit tree. So need to sync to update the qgroup commit tree. |
| sync |
| |
| units=`_btrfs_qgroup_units` |
| $BTRFS_UTIL_PROG qgroup show $units $SCRATCH_MNT | $SED_PROG -n '/[0-9]/p' | \ |
| $AWK_PROG '{print $2" "$3}' |
| |
| # success, all done |
| status=0 |
| exit |