diff --git a/tests/btrfs/193 b/tests/btrfs/193 new file mode 100755 index 00000000..16b7650c --- /dev/null +++ b/tests/btrfs/193 @@ -0,0 +1,69 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (C) 2019 SUSE Linux Products GmbH. All Rights Reserved. +# +# FS QA Test btrfs/193 +# +# Test if btrfs is going to leak qgroup reserved data space when +# falloc on multiple holes fails. +# The fix is titled: +# "btrfs: qgroup: Fix the wrong target io_tree when freeing reserved data space" +# +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() +{ + cd / + rm -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# remove previous $seqres.full before test +rm -f $seqres.full + +# real QA test starts here + +# Modify as appropriate. +_supported_fs btrfs +_supported_os Linux +_require_scratch +_require_xfs_io_command falloc + +_scratch_mkfs > /dev/null +_scratch_mount + +$BTRFS_UTIL_PROG quota enable "$SCRATCH_MNT" > /dev/null +$BTRFS_UTIL_PROG quota rescan -w "$SCRATCH_MNT" > /dev/null +$BTRFS_UTIL_PROG qgroup limit -e 256M "$SCRATCH_MNT" + +# Create a file with the following layout: +# 0 128M 256M 384M +# | Hole |4K| Hole |4K| Hole | +# The total hole size will be 384M - 8k +truncate -s 384m "$SCRATCH_MNT/file" +$XFS_IO_PROG -c "pwrite 128m 4k" -c "pwrite 256m 4k" \ + "$SCRATCH_MNT/file" | _filter_xfs_io + +# Falloc 0~384M range, it's going to fail due to the qgroup limit +$XFS_IO_PROG -c "falloc 0 384m" "$SCRATCH_MNT/file" | _filter_xfs_io_error +rm -f "$SCRATCH_MNT/file" + +# Ensure above delete reaches disk and free some space +sync + +# We should be able to write at least 3/4 of the limit +$XFS_IO_PROG -f -c "pwrite 0 192m" "$SCRATCH_MNT/file" | _filter_xfs_io + +# success, all done +status=0 +exit diff --git a/tests/btrfs/193.out b/tests/btrfs/193.out new file mode 100644 index 00000000..095c1fc7 --- /dev/null +++ b/tests/btrfs/193.out @@ -0,0 +1,8 @@ +QA output created by 193 +wrote 4096/4096 bytes at offset 134217728 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +wrote 4096/4096 bytes at offset 268435456 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +fallocate: Disk quota exceeded +wrote 201326592/201326592 bytes at offset 0 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) diff --git a/tests/btrfs/group b/tests/btrfs/group index cab10d19..b92cb12c 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -195,3 +195,4 @@ 190 auto quick replay balance qgroup 191 auto quick send dedupe 192 auto replay snapshot stress +193 auto quick qgroup enospc limit