| #! /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 | |
| # | |
| #----------------------------------------------------------------------- | |
| # | |
| # creator | |
| owner=aarora@in.ibm.com | |
| seq=`basename $0` | |
| 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 | |
| [ -n "$XFS_IO_PROG" ] || _notrun "xfs_io executable not found" | |
| rm -f $seq.full | |
| # Sanity check to see if fallocate works | |
| _require_xfs_io_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 -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 -f -c 'falloc 0 50m' $TEST_DIR/ouch | |
| rm -f $TEST_DIR/ouch | |
| echo "Test over." | |
| # success, all done | |
| status=0 | |
| exit |