Signed-off-by: Wang Xiaoguang <wangxg.f...@cn.fujitsu.com> --- tests/generic/377 | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/377.out | 2 ++ tests/generic/group | 1 + 3 files changed, 77 insertions(+) create mode 100755 tests/generic/377 create mode 100644 tests/generic/377.out
diff --git a/tests/generic/377 b/tests/generic/377 new file mode 100755 index 0000000..3a0c27e --- /dev/null +++ b/tests/generic/377 @@ -0,0 +1,74 @@ +#! /bin/bash +# FS QA Test 377 +# +# Create a heavily reflinked file, then check whether we can truncate +# it correctly. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016 Fujitsu. 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 $0` +seqres=$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 +. ./common/reflink + +# remove previous $seqres.full before test +rm -f $seqres.full + +# Modify as appropriate. +_supported_fs generic +_supported_os Linux +_require_scratch +_require_scratch_reflink +_require_cp_reflink + +_scratch_mkfs_sized $((128 * 1024 * 1024)) >> $seqres.full 2>&1 +_scratch_mount + +file=$SCRATCH_MNT/testfile +blocksize=$((128 * 1024)) + +# create the initial file. +_pwrite_byte 0xcdcdcdcd 0 $blocksize $file > /dev/null + +echo "Silence is golden" +# filesize is 20GB, and here 20GB is choosen deliberately, so it +# can consume enough fs free space. +for ((i=1; i<163840; i++)); do + _reflink_range $file 0 $file $(($i * $blocksize)) $blocksize \ + >> $seqres.full 2>&1 +done +$XFS_IO_PROG -f -c 'truncate 0' $file + +status=0 +exit diff --git a/tests/generic/377.out b/tests/generic/377.out new file mode 100644 index 0000000..d14a512 --- /dev/null +++ b/tests/generic/377.out @@ -0,0 +1,2 @@ +QA output created by 377 +Silence is golden diff --git a/tests/generic/group b/tests/generic/group index bad71bc..ea98752 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -379,3 +379,4 @@ 374 auto quick clone dedupe 375 auto quick acl 376 auto quick metadata +377 auto clone -- 2.9.0 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html