| #! /bin/bash |
| # FS QA Test No. 136 |
| # |
| # Test the attr2 code |
| # Let's look, xfs_db, at the inode and its literal area for the |
| # extents and the attributes |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2000-2005 Silicon Graphics, Inc. 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" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| _cleanup() |
| { |
| cd / |
| rm -f $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/attr |
| |
| # real QA test starts here |
| |
| #_notrun "Need to fix up filtering before checkin" |
| |
| # Modify as appropriate. |
| _supported_fs xfs |
| _supported_os Linux |
| |
| _require_scratch |
| _require_attrs |
| |
| export MKFS_OPTIONS="-i size=512,attr=2" |
| _scratch_mkfs_xfs > /dev/null 2>&1 |
| _scratch_mount |
| |
| file=$SCRATCH_MNT/file |
| touch $file |
| inum=`ls -i $file | awk '{print $1}'` |
| echo "inum=$inum" |
| |
| _filter() |
| { |
| sed -e "s#$tmp#TMP#g" |
| } |
| |
| add_eas() |
| { |
| start=$1 |
| end=$2 |
| echo ""; echo "** add $start..$end EAs **" |
| i=$start |
| while [ $i -le $end ]; do |
| ${ATTR_PROG} -s name.$i -V value $file >/dev/null |
| let i=$i+1 |
| done |
| } |
| |
| rm_eas() |
| { |
| start=$1 |
| end=$2 |
| echo ""; echo "** rm $start..$end EAs **" |
| i=$start |
| while [ $i -le $end ]; do |
| ${ATTR_PROG} -r name.$i $file >/dev/null |
| let i=$i+1 |
| done |
| } |
| |
| do_extents() |
| { |
| num=$1 |
| echo ""; echo "** $num extents **" |
| src/makeextents -v -p -w -n $num $file |
| } |
| |
| _print_inode() |
| { |
| _scratch_unmount |
| _scratch_xfs_db -r -c "inode $inum" -c "print" |\ |
| awk ' |
| /nextents/ { print; next } |
| /naextents/ { print; next } |
| /u\./ { print; next } |
| /a\./ { print; next } |
| /forkoff/ { printf("core.forkoff = %d (%d bytes)\n", $3, $3*8); next } |
| /format/ { print; next } |
| /size/ { print; next } |
| ' |
| _scratch_mount |
| } |
| |
| _print_inode_u() |
| { |
| _scratch_unmount |
| _scratch_xfs_db -r -c "inode $inum" -c "print u" |
| _scratch_mount |
| } |
| |
| _print_inode_a() |
| { |
| _scratch_unmount |
| _scratch_xfs_db -r -c "inode $inum" -c "print a" |
| _scratch_mount |
| } |
| |
| _test_add_eas() |
| { |
| _print_inode |
| |
| add_eas 1 1 |
| _print_inode |
| |
| add_eas 2 2 |
| _print_inode |
| |
| add_eas 3 4 |
| _print_inode |
| |
| add_eas 5 8 |
| _print_inode |
| |
| add_eas 9 16 |
| _print_inode |
| |
| add_eas 17 20 |
| _print_inode |
| |
| add_eas 21 21 |
| _print_inode |
| |
| add_eas 22 22 |
| _print_inode |
| |
| add_eas 23 23 |
| _print_inode |
| |
| add_eas 24 24 |
| _print_inode |
| |
| add_eas 25 25 |
| _print_inode |
| |
| add_eas 26 30 |
| _print_inode |
| |
| add_eas 31 35 |
| _print_inode |
| |
| rm_eas 1 34 |
| _print_inode |
| } |
| |
| _test_add_extents() |
| { |
| # now do the extents |
| |
| #build up |
| j=1 |
| while [ $j -le 30 ]; do |
| do_extents $j |
| _print_inode |
| let j=$j+2 |
| done |
| |
| #scale down |
| j=30 |
| while [ $j -ge 1 ]; do |
| do_extents $j |
| _print_inode |
| let j=$j-2 |
| done |
| |
| #build up |
| j=1 |
| while [ $j -le 30 ]; do |
| do_extents $j |
| _print_inode |
| let j=$j+2 |
| done |
| } |
| |
| # |
| # Using a nested loop, |
| # for various number of data extents, |
| # try adding EAs and then removing EAs |
| # Check that when we play with the EAs that we don't mess with the extents |
| # |
| _test_extents_eas() |
| { |
| # now do the EAs with the extents |
| |
| extents_max=400 |
| extents_inc=10 |
| EAs_max=100 |
| EAs_inc=5 |
| for i in `seq 1 $extents_inc $extents_max`; do |
| do_extents $i |
| echo "--- extents: $i ---" |
| _print_inode |
| _print_inode_u > $tmp.u1 |
| for j in `seq 1 $EAs_inc $EAs_max`; do |
| let k=$k+$EAs_inc-1 |
| add_eas $j $k |
| done |
| # should have same extents |
| _print_inode |
| _print_inode_u > $tmp.u2 |
| rm_eas 1 $EAs_max |
| _print_inode_u > $tmp.u3 |
| |
| echo "" |
| echo "*** Extent differences before and after EAs added ***" |
| diff -s $tmp.u1 $tmp.u2 | _filter |
| echo "" |
| if ! diff $tmp.u1 $tmp.u2 >/dev/null; then |
| echo "Data extents magically changed" |
| exit |
| fi |
| |
| echo "" |
| echo "*** Extent differences before and after EAs removed ***" |
| diff -s $tmp.u2 $tmp.u3 | _filter |
| echo "" |
| if ! diff $tmp.u2 $tmp.u3 >/dev/null; then |
| echo "Data extents magically changed" |
| exit |
| fi |
| done |
| } |
| |
| # |
| # The counterpart of _test_extents_eas |
| # with the nested loops reversed. |
| # For various number of EAs, try adding extents |
| # Check that when we play with the data extents that we don't mess with the EAs |
| # |
| _test_eas_extents() |
| { |
| # now do the EAs with the extents |
| |
| extents_max=400 |
| extents_inc=10 |
| EAs_max=100 |
| EAs_inc=5 |
| for j in `seq 1 $EAs_inc $EAs_max`; do |
| |
| let k=$k+$EAs_inc-1 |
| add_eas $j $k |
| echo "--- EAs: $j ---" |
| |
| _print_inode |
| _print_inode_a > $tmp.a1 |
| for i in `seq 1 $extents_inc $extents_max`; do |
| do_extents $i |
| done |
| |
| # should have same EAs |
| _print_inode |
| _print_inode_a > $tmp.a2 |
| >$file |
| _print_inode_a > $tmp.a3 |
| |
| echo "" |
| echo "*** EA differences before and after extents added ***" |
| diff -s $tmp.a1 $tmp.a2 | _filter |
| echo "" |
| if ! diff $tmp.a1 $tmp.a2 >/dev/null; then |
| echo "EAs magically changed" |
| exit |
| fi |
| |
| echo "" |
| echo "*** EA differences before and after extents removed ***" |
| diff -s $tmp.a2 $tmp.a3 | _filter |
| echo "" |
| if ! diff $tmp.a2 $tmp.a3 >/dev/null; then |
| echo "EAs magically changed" |
| exit |
| fi |
| done |
| } |
| |
| # |
| # test to see how we go |
| |
| # |
| # test to ensure it fits a max sf EA |
| # |
| # literal part of inode starts at offset 100 (decimal) |
| # for 512 bytes inode that gives 412 bytes of literal area |
| # |
| # min btree root (numrecs=3) => 3 * 16 + (4 or 8) |
| # for 8 byte alignment => 56 bytes |
| # => 512 - 156 = 356 bytes |
| # |
| # SF EA of form |
| # totsize: 2 bytes |
| # count: 1 byte |
| # nlen: 1 byte |
| # vlen: 1 byte |
| # flags: 1 byte |
| # name: nlen |
| # value: vlen |
| # |
| # => 6+nlen+vlen |
| # |
| # for nlen=4 "name" |
| # vlen = 356 - (6+4) = 346 |
| # |
| # |
| _test_initial_sf_ea() |
| { |
| rm $file |
| touch $file |
| vlen=402 |
| vlen=300 |
| dd if=/dev/zero bs=1 count=$vlen | ${ATTR_PROG} -s name $file |
| _print_inode |
| } |
| |
| # main |
| |
| _test_add_eas |
| _test_add_extents |
| _test_extents_eas |
| _test_eas_extents |
| #_test_initial_sf_ea |
| |
| # do a test with a variety of sized EAs |
| |
| # success, all done |
| status=0 |
| exit |