4 # Check if fallocate respects RLIMIT_FSIZE
6 #-----------------------------------------------------------------------
7 # Copyright (c) 2010 IBM Corporation. All Rights Reserved.
9 # This program is free software; you can redistribute it and/or
10 # modify it under the terms of the GNU General Public License as
11 # published by the Free Software Foundation.
13 # This program is distributed in the hope that it would be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write the Free Software Foundation,
20 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #-----------------------------------------------------------------------
25 owner=aarora@in.ibm.com
28 echo "QA output created by $seq"
34 sysctl -w kernel.core_pattern="$core_pattern" &>/dev/null
40 status=1 # failure is the default!
41 trap "_cleanup; exit \$status" 0 1 2 3 15 25
43 # get standard environment, filters and checks
46 # real QA test starts here
47 # generic, but xfs_io's fallocate must work
49 # only Linux supports fallocate
52 [ -n "$XFS_IO_PROG" ] || _notrun "xfs_io executable not found"
56 # Sanity check to see if fallocate works
57 _require_xfs_io_falloc
59 # Check if we have good enough space available
60 avail=`df -P $TEST_DIR | awk 'END {print $4}'`
61 [ "$avail" -ge 104000 ] || _notrun "Test device is too small ($avail KiB)"
63 # Suppress core dumped messages
64 core_pattern=`sysctl kernel.core_pattern | awk -F = '{print $NF}'`
66 sysctl -w kernel.core_pattern=core &>/dev/null
69 # Set the FSIZE ulimit to 100MB and check
72 [ "$flim" != "unlimited" ] || _notrun "Unable to set FSIZE ulimit"
73 [ "$flim" -eq 102400 ] || _notrun "FSIZE ulimit is not correct (100 MB)"
75 echo "File size limit is now set to 100 MB."
76 echo "Let us try to preallocate 101 MB. This should fail."
77 $XFS_IO_PROG -F -f -c 'falloc 0 101m' $TEST_DIR/ouch
80 echo "Let us now try to preallocate 50 MB. This should succeed."
81 $XFS_IO_PROG -F -f -c 'falloc 0 50m' $TEST_DIR/ouch