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ext4: Test expansion of inode size
ext4 supports dynamic expansion of inode size via inode's i_extra_size field. Test the code performing the expansion in the kernel. Signed-off-by: Jan Kara <jack@suse.cz> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
This commit is contained in:
Jan Kara
Eryu Guan
Executable
+183
@@ -0,0 +1,183 @@
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#! /bin/bash
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# FS QA Test 022
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#
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# Test extending of i_extra_isize code
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2016 SUSE Linux Products GmbH. 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 $tmp.*
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}
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do_setfattr()
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{
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$SETFATTR_PROG $@ 2>&1 | _filter_scratch
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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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. ./common/attr
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# remove previous $seqres.full before test
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rm -f $seqres.full
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# real QA test starts here
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_supported_fs ext4
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_supported_os Linux
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_require_scratch
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_require_dumpe2fs
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_require_command "$DEBUGFS_PROG" debugfs
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_require_attrs
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# Use large inodes to have enough space for experimentation
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INODE_SIZE=1024
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# Block size
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BLOCK_SIZE=4096
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# We leave this amount of bytes for xattrs
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XATTR_SPACE=256
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# We grow extra_isize by this much
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GROW_EXTRA_ISIZE=80
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# We grow minimum requested isize by this much
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GROW_MIN_EXTRA_ISIZE=16
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export MKFS_OPTIONS="-I $INODE_SIZE -b $BLOCK_SIZE"
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_scratch_mkfs >> $seqres.full 2>&1
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ISIZE=$($DUMPE2FS_PROG -h $SCRATCH_DEV 2>/dev/null |
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grep "^Desired extra isize:" | awk '{print $4}')
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# 32 bytes for header and 4 bytes for terminator
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BLOCK_XATTR_SPACE=$(($BLOCK_SIZE - 36))
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GOOD_OLD_ISIZE=128
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WANT_ISIZE=$(($INODE_SIZE-$GOOD_OLD_ISIZE-$XATTR_SPACE))
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NEW_ISIZE=$(($WANT_ISIZE+$GROW_EXTRA_ISIZE))
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NEW_MIN_ISIZE=$(($WANT_ISIZE+$GROW_MIN_EXTRA_ISIZE))
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if [ $WANT_ISIZE -lt $ISIZE ]; then
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_notrun "This test requires at least $XATTR_SPACE free in the inode"
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fi
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$DEBUGFS_PROG -w -R "ssv want_extra_isize $WANT_ISIZE" $SCRATCH_DEV >> $seqres.full 2>&1
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$DEBUGFS_PROG -w -R "ssv min_extra_isize $WANT_ISIZE" $SCRATCH_DEV >> $seqres.full 2>&1
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_scratch_mount
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FNAMES=("empty" "couple_xattrs" "just_enough_xattrs" "one_extra_xattr"
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"full_xattrs" "one_extra_xattr_ext" "full_xattrs_ext"
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"full_xattrs_almost_full_ext" "full_xattrs_full_ext")
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create_xattr_file()
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{
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FILE=$SCRATCH_MNT/${FNAMES[$1]}
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touch $FILE
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for (( i = 0; i < $2; i++ )); do
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do_setfattr -n "user.$i" -v "aa" $FILE || break
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done
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}
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# Test file without xattrs
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create_xattr_file 0 0
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# Test file with couple of xattrs but which still has enough space
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# One xattr consumes 24 bytes + 4 bytes for header + 4 bytes for terminator
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# => 104 bytes consumed (152 bytes still free)
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create_xattr_file 1 4
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# Test file with xattrs which still has just enough space
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# One xattr consumes 24 bytes + 4 bytes for header + 4 bytes for terminator
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# => 176 bytes consumed (80 bytes still free)
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create_xattr_file 2 7
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# Test file with xattrs which has one xattr which needs moving
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# One xattr consumes 24 bytes + 4 bytes for header + 4 bytes for terminator
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# => 200 bytes consumed (56 bytes still free)
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create_xattr_file 3 8
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# Test file with xattrs which has xattr space almost full
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# One xattr consumes 24 bytes + 4 bytes for header + 4 bytes for terminator
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# => 248 bytes consumed (8 bytes still free)
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create_xattr_file 4 10
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# Test file with xattrs which has one xattr which needs moving and external
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# xattr block allocated
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# One xattr consumes 24 bytes + 4 bytes for header + 4 bytes for terminator
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# => 200 bytes consumed (56 bytes still free)
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create_xattr_file 5 8
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do_setfattr -n "user.e0" -v "01234567890123456789012345678901234567890123456789" "$SCRATCH_MNT/${FNAMES[5]}"
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# Test file with xattrs which has xattr space in inode almost full and external
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# xattr block allocated
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# One xattr consumes 24 bytes + 4 bytes for header + 4 bytes for terminator
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# => 248 bytes consumed (8 bytes still free)
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create_xattr_file 6 11
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# Test file with xattrs which has xattr space in inode almost full and external
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# xattr block allocated and almost full so that inode can still expand to
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# s_min_extra_isize
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# 10 xattrs fit into inode, rest goes into xattr block (one xattr consumes
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# 24 bytes)
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create_xattr_file 7 $((10 + ($BLOCK_XATTR_SPACE - $GROW_MIN_EXTRA_ISIZE) / 24))
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# Test file with xattrs which has xattr space in inode almost full and external
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# xattr block allocated and full
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# 10 xattrs fit into inode, rest goes into xattr block (one xattr consumes
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# 24 bytes)
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create_xattr_file 8 $((10 + $BLOCK_XATTR_SPACE / 24))
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_scratch_unmount
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# Filesystem prepared, update extra_isize
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$DEBUGFS_PROG -w -R "ssv want_extra_isize $NEW_ISIZE" $SCRATCH_DEV >> $seqres.full 2>&1
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$DEBUGFS_PROG -w -R "ssv min_extra_isize $NEW_MIN_ISIZE" $SCRATCH_DEV >> $seqres.full 2>&1
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_scratch_mount
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# Dirty each inode to force expansion of extra_isize
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for FILE in ${FNAMES[@]}; do
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echo "aaaa" >$SCRATCH_MNT/$FILE
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done
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# Dump all xattrs to see whether nothing broke
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for FILE in ${FNAMES[@]}; do
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$GETFATTR_PROG -h -d --absolute-names $SCRATCH_MNT/$FILE 2>/dev/null | \
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_filter_scratch | sort
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done
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_scratch_unmount
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# Dump everything via debugfs to check whether sizes got extended as expected
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for FILE in ${FNAMES[@]}; do
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$DEBUGFS_PROG -R "stat $FILE" $SCRATCH_DEV 2>/dev/null | \
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grep "^Size of extra inode fields:"
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done
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# success, all done
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status=0
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exit
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@@ -0,0 +1,432 @@
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QA output created by 022
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# file: SCRATCH_MNT/couple_xattrs
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user.0="aa"
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user.1="aa"
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user.2="aa"
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user.3="aa"
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# file: SCRATCH_MNT/just_enough_xattrs
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user.0="aa"
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user.1="aa"
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user.2="aa"
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user.3="aa"
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user.4="aa"
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user.5="aa"
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user.6="aa"
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# file: SCRATCH_MNT/one_extra_xattr
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user.0="aa"
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user.1="aa"
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user.2="aa"
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user.3="aa"
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user.4="aa"
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user.5="aa"
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user.6="aa"
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user.7="aa"
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# file: SCRATCH_MNT/full_xattrs
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user.0="aa"
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user.1="aa"
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user.2="aa"
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user.3="aa"
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user.4="aa"
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user.5="aa"
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user.6="aa"
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user.7="aa"
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user.8="aa"
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user.9="aa"
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# file: SCRATCH_MNT/one_extra_xattr_ext
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user.0="aa"
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user.1="aa"
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user.2="aa"
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user.3="aa"
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user.4="aa"
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user.5="aa"
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user.6="aa"
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user.7="aa"
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user.e0="01234567890123456789012345678901234567890123456789"
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# file: SCRATCH_MNT/full_xattrs_ext
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user.0="aa"
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user.10="aa"
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user.1="aa"
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user.2="aa"
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user.3="aa"
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user.4="aa"
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user.5="aa"
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user.6="aa"
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user.7="aa"
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user.8="aa"
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user.9="aa"
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# file: SCRATCH_MNT/full_xattrs_almost_full_ext
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user.0="aa"
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user.100="aa"
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user.101="aa"
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user.102="aa"
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user.103="aa"
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user.104="aa"
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user.105="aa"
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user.106="aa"
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user.107="aa"
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user.108="aa"
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user.109="aa"
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user.10="aa"
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user.110="aa"
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user.111="aa"
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user.112="aa"
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user.113="aa"
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user.114="aa"
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user.115="aa"
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user.116="aa"
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user.117="aa"
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user.118="aa"
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user.119="aa"
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user.11="aa"
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user.120="aa"
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user.121="aa"
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user.122="aa"
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user.123="aa"
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user.124="aa"
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user.125="aa"
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user.126="aa"
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user.127="aa"
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user.128="aa"
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user.129="aa"
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user.12="aa"
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user.130="aa"
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user.131="aa"
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user.132="aa"
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user.133="aa"
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user.134="aa"
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user.135="aa"
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user.136="aa"
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user.137="aa"
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user.138="aa"
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user.139="aa"
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user.13="aa"
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user.140="aa"
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user.141="aa"
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user.142="aa"
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user.143="aa"
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user.144="aa"
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user.145="aa"
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user.146="aa"
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user.147="aa"
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user.148="aa"
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user.149="aa"
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user.14="aa"
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user.150="aa"
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user.151="aa"
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user.152="aa"
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user.153="aa"
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user.154="aa"
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user.155="aa"
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user.156="aa"
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user.157="aa"
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user.158="aa"
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user.159="aa"
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user.15="aa"
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user.160="aa"
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user.161="aa"
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user.162="aa"
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user.163="aa"
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user.164="aa"
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user.165="aa"
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user.166="aa"
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user.167="aa"
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user.168="aa"
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user.169="aa"
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user.16="aa"
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user.170="aa"
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user.171="aa"
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user.172="aa"
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user.173="aa"
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user.174="aa"
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user.175="aa"
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user.176="aa"
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user.177="aa"
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user.17="aa"
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user.18="aa"
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user.19="aa"
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user.1="aa"
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user.20="aa"
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user.21="aa"
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user.22="aa"
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user.23="aa"
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user.24="aa"
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user.25="aa"
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user.26="aa"
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user.27="aa"
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user.28="aa"
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user.29="aa"
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user.2="aa"
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user.30="aa"
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user.31="aa"
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user.32="aa"
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user.33="aa"
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user.34="aa"
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user.35="aa"
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user.36="aa"
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user.37="aa"
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user.38="aa"
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user.39="aa"
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user.3="aa"
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user.40="aa"
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user.41="aa"
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user.42="aa"
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user.43="aa"
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user.44="aa"
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user.45="aa"
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user.46="aa"
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user.47="aa"
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user.48="aa"
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user.49="aa"
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user.4="aa"
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user.50="aa"
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user.51="aa"
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user.52="aa"
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user.53="aa"
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user.54="aa"
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user.55="aa"
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user.56="aa"
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user.57="aa"
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user.58="aa"
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user.59="aa"
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user.5="aa"
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user.60="aa"
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user.61="aa"
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user.62="aa"
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user.63="aa"
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user.64="aa"
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user.65="aa"
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user.66="aa"
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user.67="aa"
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user.68="aa"
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user.69="aa"
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user.6="aa"
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user.70="aa"
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user.71="aa"
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user.72="aa"
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user.73="aa"
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user.74="aa"
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user.75="aa"
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user.76="aa"
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user.77="aa"
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user.78="aa"
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user.79="aa"
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user.7="aa"
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user.80="aa"
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user.81="aa"
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user.82="aa"
|
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user.83="aa"
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user.84="aa"
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user.85="aa"
|
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user.86="aa"
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user.87="aa"
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user.88="aa"
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user.89="aa"
|
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user.8="aa"
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user.90="aa"
|
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user.91="aa"
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user.92="aa"
|
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user.93="aa"
|
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user.94="aa"
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user.95="aa"
|
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user.96="aa"
|
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user.97="aa"
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user.98="aa"
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user.99="aa"
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user.9="aa"
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# file: SCRATCH_MNT/full_xattrs_full_ext
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user.0="aa"
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user.100="aa"
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user.101="aa"
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user.102="aa"
|
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user.103="aa"
|
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user.104="aa"
|
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user.105="aa"
|
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user.106="aa"
|
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user.107="aa"
|
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user.108="aa"
|
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user.109="aa"
|
||||
user.10="aa"
|
||||
user.110="aa"
|
||||
user.111="aa"
|
||||
user.112="aa"
|
||||
user.113="aa"
|
||||
user.114="aa"
|
||||
user.115="aa"
|
||||
user.116="aa"
|
||||
user.117="aa"
|
||||
user.118="aa"
|
||||
user.119="aa"
|
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user.11="aa"
|
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user.120="aa"
|
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user.121="aa"
|
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user.122="aa"
|
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user.123="aa"
|
||||
user.124="aa"
|
||||
user.125="aa"
|
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user.126="aa"
|
||||
user.127="aa"
|
||||
user.128="aa"
|
||||
user.129="aa"
|
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user.12="aa"
|
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user.130="aa"
|
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user.131="aa"
|
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user.132="aa"
|
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user.133="aa"
|
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user.134="aa"
|
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user.135="aa"
|
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user.136="aa"
|
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user.137="aa"
|
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user.138="aa"
|
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user.139="aa"
|
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user.13="aa"
|
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user.140="aa"
|
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user.141="aa"
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user.142="aa"
|
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user.143="aa"
|
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user.144="aa"
|
||||
user.145="aa"
|
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user.146="aa"
|
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user.147="aa"
|
||||
user.148="aa"
|
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user.149="aa"
|
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user.14="aa"
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user.150="aa"
|
||||
user.151="aa"
|
||||
user.152="aa"
|
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user.153="aa"
|
||||
user.154="aa"
|
||||
user.155="aa"
|
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user.156="aa"
|
||||
user.157="aa"
|
||||
user.158="aa"
|
||||
user.159="aa"
|
||||
user.15="aa"
|
||||
user.160="aa"
|
||||
user.161="aa"
|
||||
user.162="aa"
|
||||
user.163="aa"
|
||||
user.164="aa"
|
||||
user.165="aa"
|
||||
user.166="aa"
|
||||
user.167="aa"
|
||||
user.168="aa"
|
||||
user.169="aa"
|
||||
user.16="aa"
|
||||
user.170="aa"
|
||||
user.171="aa"
|
||||
user.172="aa"
|
||||
user.173="aa"
|
||||
user.174="aa"
|
||||
user.175="aa"
|
||||
user.176="aa"
|
||||
user.177="aa"
|
||||
user.178="aa"
|
||||
user.17="aa"
|
||||
user.18="aa"
|
||||
user.19="aa"
|
||||
user.1="aa"
|
||||
user.20="aa"
|
||||
user.21="aa"
|
||||
user.22="aa"
|
||||
user.23="aa"
|
||||
user.24="aa"
|
||||
user.25="aa"
|
||||
user.26="aa"
|
||||
user.27="aa"
|
||||
user.28="aa"
|
||||
user.29="aa"
|
||||
user.2="aa"
|
||||
user.30="aa"
|
||||
user.31="aa"
|
||||
user.32="aa"
|
||||
user.33="aa"
|
||||
user.34="aa"
|
||||
user.35="aa"
|
||||
user.36="aa"
|
||||
user.37="aa"
|
||||
user.38="aa"
|
||||
user.39="aa"
|
||||
user.3="aa"
|
||||
user.40="aa"
|
||||
user.41="aa"
|
||||
user.42="aa"
|
||||
user.43="aa"
|
||||
user.44="aa"
|
||||
user.45="aa"
|
||||
user.46="aa"
|
||||
user.47="aa"
|
||||
user.48="aa"
|
||||
user.49="aa"
|
||||
user.4="aa"
|
||||
user.50="aa"
|
||||
user.51="aa"
|
||||
user.52="aa"
|
||||
user.53="aa"
|
||||
user.54="aa"
|
||||
user.55="aa"
|
||||
user.56="aa"
|
||||
user.57="aa"
|
||||
user.58="aa"
|
||||
user.59="aa"
|
||||
user.5="aa"
|
||||
user.60="aa"
|
||||
user.61="aa"
|
||||
user.62="aa"
|
||||
user.63="aa"
|
||||
user.64="aa"
|
||||
user.65="aa"
|
||||
user.66="aa"
|
||||
user.67="aa"
|
||||
user.68="aa"
|
||||
user.69="aa"
|
||||
user.6="aa"
|
||||
user.70="aa"
|
||||
user.71="aa"
|
||||
user.72="aa"
|
||||
user.73="aa"
|
||||
user.74="aa"
|
||||
user.75="aa"
|
||||
user.76="aa"
|
||||
user.77="aa"
|
||||
user.78="aa"
|
||||
user.79="aa"
|
||||
user.7="aa"
|
||||
user.80="aa"
|
||||
user.81="aa"
|
||||
user.82="aa"
|
||||
user.83="aa"
|
||||
user.84="aa"
|
||||
user.85="aa"
|
||||
user.86="aa"
|
||||
user.87="aa"
|
||||
user.88="aa"
|
||||
user.89="aa"
|
||||
user.8="aa"
|
||||
user.90="aa"
|
||||
user.91="aa"
|
||||
user.92="aa"
|
||||
user.93="aa"
|
||||
user.94="aa"
|
||||
user.95="aa"
|
||||
user.96="aa"
|
||||
user.97="aa"
|
||||
user.98="aa"
|
||||
user.99="aa"
|
||||
user.9="aa"
|
||||
Size of extra inode fields: 720
|
||||
Size of extra inode fields: 720
|
||||
Size of extra inode fields: 720
|
||||
Size of extra inode fields: 720
|
||||
Size of extra inode fields: 720
|
||||
Size of extra inode fields: 720
|
||||
Size of extra inode fields: 720
|
||||
Size of extra inode fields: 656
|
||||
Size of extra inode fields: 640
|
||||
@@ -24,6 +24,7 @@
|
||||
019 fuzzers
|
||||
020 auto quick ioctl rw
|
||||
021 auto quick
|
||||
022 auto quick attr dangerous
|
||||
271 auto rw quick
|
||||
301 aio auto ioctl rw stress
|
||||
302 aio auto ioctl rw stress
|
||||
|
||||
Reference in New Issue
Block a user