| #! /bin/bash |
| # FS QA Test No. 228 |
| # |
| # Check if fallocate respects RLIMIT_FSIZE |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2010 IBM Corporation. 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" |
| |
| _cleanup() |
| { |
| cd / |
| rm -f $tmp.* |
| sysctl -w kernel.core_pattern="$core_pattern" &>/dev/null |
| ulimit -c $ulimit_c |
| } |
| |
| here=`pwd` |
| tmp=$TEST_DIR/$$ |
| status=1 # failure is the default! |
| trap "_cleanup; exit \$status" 0 1 2 3 15 25 |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| |
| # real QA test starts here |
| # generic, but xfs_io's fallocate must work |
| _supported_fs generic |
| # only Linux supports fallocate |
| _supported_os Linux |
| _require_test |
| |
| [ -n "$XFS_IO_PROG" ] || _notrun "xfs_io executable not found" |
| |
| rm -f $seqres.full |
| |
| # Sanity check to see if fallocate works |
| _require_xfs_io_command "falloc" |
| |
| # Check if we have good enough space available |
| avail=`df -P $TEST_DIR | awk 'END {print $4}'` |
| [ "$avail" -ge 104000 ] || _notrun "Test device is too small ($avail KiB)" |
| |
| # Suppress core dumped messages |
| core_pattern=`sysctl kernel.core_pattern | awk -F = '{print $NF}'` |
| ulimit_c=`ulimit -c` |
| sysctl -w kernel.core_pattern=core &>/dev/null |
| ulimit -c 0 |
| |
| # Set the FSIZE ulimit to 100MB and check |
| ulimit -f 102400 |
| flim=`ulimit -f` |
| [ "$flim" != "unlimited" ] || _notrun "Unable to set FSIZE ulimit" |
| [ "$flim" -eq 102400 ] || _notrun "FSIZE ulimit is not correct (100 MB)" |
| |
| echo "File size limit is now set to 100 MB." |
| echo "Let us try to preallocate 101 MB. This should fail." |
| $XFS_IO_PROG -f -c 'falloc 0 101m' $TEST_DIR/ouch |
| rm -f $TEST_DIR/ouch |
| |
| echo "Let us now try to preallocate 50 MB. This should succeed." |
| $XFS_IO_PROG -f -c 'falloc 0 50m' $TEST_DIR/ouch |
| rm -f $TEST_DIR/ouch |
| |
| echo "Test over." |
| # success, all done |
| status=0 |
| exit |