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 #-----------------------------------------------------------------------
31 echo "QA output created by $seq"
35 status=1 # failure is the default!
36 trap "_cleanup; exit \$status" 0 1 2 3 15
46 # get standard environment, filters and checks
50 # real QA test starts here
52 # Modify as appropriate.
54 _supported_os IRIX Linux
56 bitsperlong=`src/feature -w`
57 if [ "$bitsperlong" -ne 64 ]; then
58 _notrun "This test is only valid on 64 bit machines"
63 tmpfile=$TEST_DIR/fsfile.$$
64 tmpdir=$TEST_DIR/tmpdir.$$
66 mkdir -p $tmpdir || _fail "!!! failed to create temp mount dir"
68 # Create a file w/ the offset we wish to resize to
69 echo "=== truncate file ==="
70 dd if=/dev/zero of=$tmpfile bs=1 seek=19998630180864 count=1 >/dev/null 2>&1 \
71 || _fail "!!! failed to truncate loopback file to correct size"
73 # mkfs slightly smaller than that
74 echo "=== mkfs.xfs ==="
75 mkfs.xfs -f -bsize=4096 -dagsize=76288719b,size=3905982455b -llazy-count=0 $tmpfile \
76 | sed -e "s,^meta-data=.*isize,meta-data=FILE isize,g" \
77 -e "s/\(^log.*blocks=\)\([0-9]*,\)/\1XXXXX,/" \
78 -e "s/, projid32bit=[0-9]//" \
81 mount -o loop $tmpfile $tmpdir || _fail "!!! failed to loopback mount"
83 # see what happens when we growfs it
84 echo "=== xfs_growfs ==="
86 | sed -e "s,^meta-data=.*isize,meta-data=FILE isize,g" \
87 -e "s/\(^log.*blocks=\)\([0-9]*,\)/\1XXXXX,/" \
90 # and double-check the new geometry
91 echo "=== xfs_info ==="
93 | sed -e "s,^meta-data=.*isize,meta-data=FILE isize,g" \
94 -e "s/\(^log.*blocks=\)\([0-9]*,\)/\1XXXXX,/" \
97 # _cleanup cleans up for us