mirror of
https://github.com/linux-apfs/apfstests.git
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99 lines
2.8 KiB
Bash
99 lines
2.8 KiB
Bash
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#! /bin/bash
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# FS QA Test No. 001
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#
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# Test the xfs_db write of the XFS BMBT entries. For each XFS BMBT field,
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# write the value 0, each bit and finally the entry beyond the maximum legal
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# value. Also makes sure a core write and hex input still work.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2014 SGI. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#-----------------------------------------------------------------------
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -f $tmp.*
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}
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_do_bit_test()
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{
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field="$1"
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bits="$2"
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echo "testing $field with $bits bits"
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$XFS_DB_PROG -x -c "inode $FILE_INO" -c "write $field 0" $SCRATCH_DEV
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num=1
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for n in `seq 0 1 $bits`; do
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$XFS_DB_PROG -x -c "inode $FILE_INO" \
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-c "write $field $num" $SCRATCH_DEV
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let num=$num*2
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done
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echo
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# real QA test starts here
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# Modify as appropriate.
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_supported_fs xfs
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_supported_os Linux
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_require_scratch
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_require_xfs_mkfs_crc
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_scratch_mkfs -m crc=0 >/dev/null 2>&1
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_scratch_mount
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# create the test file
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echo "make a file with data so it has an extent" > $SCRATCH_MNT/file
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# find the inode for the test file
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FILE_INO=`ls -i $SCRATCH_MNT |awk '{print $1}'`
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_scratch_unmount
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# test bit length constants
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BMBT_EXNTFLAG_BITLEN=1
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BMBT_STARTOFF_BITLEN=54
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BMBT_STARTBLOCK_BITLEN=52
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BMBT_BLOCKCOUNT_BITLEN=21
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# test setting the BMBT entries from 0 to past the valid number.
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_do_bit_test "u.bmx[0].extentflag" $BMBT_EXNTFLAG_BITLEN
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_do_bit_test "u.bmx[0].startoff" $BMBT_STARTOFF_BITLEN
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_do_bit_test "u.bmx[0].startblock" $BMBT_STARTBLOCK_BITLEN
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_do_bit_test "u.bmx[0].blockcount" $BMBT_BLOCKCOUNT_BITLEN
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# test setting the 32 bit generation number
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$XFS_DB_PROG -x -c "inode $FILE_INO" -c "write core.gen 0x5a" $SCRATCH_DEV
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$XFS_DB_PROG -x -c "inode $FILE_INO" -c "write core.gen 0xa5" $SCRATCH_DEV
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$XFS_DB_PROG -x -c "inode $FILE_INO" -c "write core.gen 0" $SCRATCH_DEV
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$XFS_DB_PROG -x -c "inode $FILE_INO" -c "write core.gen #5a5a" $SCRATCH_DEV
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$XFS_DB_PROG -x -c "inode $FILE_INO" -c "write core.gen #a5a5" $SCRATCH_DEV
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status=0
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exit
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