4 # Test trim of last small AG for large filesystem resizes
7 # http://article.gmane.org/gmane.comp.file-systems.xfs.general/29187
8 # this trimming may cause an overflow in the new size calculation.
9 # Patch and testcase at
10 # http://article.gmane.org/gmane.comp.file-systems.xfs.general/29193
12 #-----------------------------------------------------------------------
13 # Copyright (c) 2009 Eric Sandeen.
15 # This program is free software; you can redistribute it and/or
16 # modify it under the terms of the GNU General Public License as
17 # published by the Free Software Foundation.
19 # This program is distributed in the hope that it would be useful,
20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 # GNU General Public License for more details.
24 # You should have received a copy of the GNU General Public License
25 # along with this program; if not, write the Free Software Foundation,
26 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
27 #-----------------------------------------------------------------------
30 owner=sandeen@sandeen.net
33 echo "QA output created by $seq"
37 status=1 # failure is the default!
38 trap "_cleanup; exit \$status" 0 1 2 3 15
48 # get standard environment, filters and checks
52 # real QA test starts here
54 # Modify as appropriate.
56 _supported_os IRIX Linux
58 bitsperlong=`src/feature -w`
59 if [ "$bitsperlong" -ne 64 ]; then
60 _notrun "This test is only valid on 64 bit machines"
65 tmpfile=$TEST_DIR/fsfile.$$
66 tmpdir=$TEST_DIR/tmpdir.$$
68 mkdir -p $tmpdir || _fail "!!! failed to create temp mount dir"
70 # Create a file w/ the offset we wish to resize to
71 echo "=== truncate file ==="
72 dd if=/dev/zero of=$tmpfile bs=1 seek=19998630180864 count=1 >/dev/null 2>&1 \
73 || _fail "!!! failed to truncate loopback file to correct size"
75 # mkfs slightly smaller than that
76 echo "=== mkfs.xfs ==="
77 mkfs.xfs -f -bsize=4096 -dagsize=76288719b,size=3905982455b -llazy-count=0 $tmpfile \
78 | sed -e "s,^meta-data=.*isize,meta-data=FILE isize,g" \
79 -e "s/\(^log.*blocks=\)\([0-9]*,\)/\1XXXXX,/" \
80 -e "s/, projid32bit=[0-9]//" \
83 mount -o loop $tmpfile $tmpdir || _fail "!!! failed to loopback mount"
85 # see what happens when we growfs it
86 echo "=== xfs_growfs ==="
88 | sed -e "s,^meta-data=.*isize,meta-data=FILE isize,g" \
89 -e "s/\(^log.*blocks=\)\([0-9]*,\)/\1XXXXX,/" \
92 # and double-check the new geometry
93 echo "=== xfs_info ==="
95 | sed -e "s,^meta-data=.*isize,meta-data=FILE isize,g" \
96 -e "s/\(^log.*blocks=\)\([0-9]*,\)/\1XXXXX,/" \
99 # _cleanup cleans up for us