| #! /bin/bash |
| # FS QA Test No. 312 |
| # |
| # ENOSPC in fallocate(2) could corrupt ext4 when file size > 4G |
| # |
| # Regression test for commit |
| # 29ae07b ext4: Fix overflow caused by missing cast in ext4_fallocate() |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2013 Red Hat, Inc. 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 $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| |
| # real QA test starts here |
| _supported_fs generic |
| _supported_os Linux |
| _require_xfs_io_command "falloc" |
| _require_scratch |
| |
| # 5G in byte |
| fssize=$((2**30 * 5)) |
| |
| rm -f $seqres.full |
| _scratch_mkfs_sized $fssize >>$seqres.full 2>&1 |
| _scratch_mount >>$seqres.full 2>&1 |
| |
| echo "Silence is golden" |
| |
| # fallocate(2) a 6G(> 4G) file on a 5G fs |
| $XFS_IO_PROG -f -c "falloc 0 6g" $SCRATCH_MNT/testfile.$seq >>$seqres.full 2>&1 |
| |
| _scratch_unmount |
| status=0 |
| exit |