mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Zorro Lang
794f4594fb
When getfattr dumps values of all extended attributes (-d option),
it doesn't print empty extended attributes. e.g: user.name. But from
attr-2.4.48 this behavior is changed, new getfattr prints
user.name="".
The {=""} will break the golden image, so filter the redundant =""
at the end if it has.
Signed-off-by: Zorro Lang <zlang@redhat.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
123 lines
2.6 KiB
Bash
Executable File
123 lines
2.6 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2017 Google, Inc. All Rights Reserved.
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#
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# FS QA Test 026
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#
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# Test for ea_inode feature in ext4. Without ea_inode feature, an extended
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# attribute in ext4 cannot be larger than the fs block size. ea_inode feature
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# allows storing xattr values in external inodes and so raises xattr value
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# size limit to 64k.
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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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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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rm -f $tmp.*
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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_attrs
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_require_scratch_ext4_feature "ea_inode"
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_scratch_mkfs_ext4 -O ea_inode >/dev/null 2>&1
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_scratch_mount
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# Sets an extended attribute on a file.
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attr_set()
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{
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local file=$1 name=$2 value=$3 tmp
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if [[ "$value" != "" ]]; then
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$SETFATTR_PROG -n $name -v "$value" $file
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else
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$SETFATTR_PROG -n $name $file
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fi
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tmp=$(_getfattr --absolute-names --only-values -n $name $file)
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[[ "$tmp" == "$value" ]] || echo "unexpected value returned: $tmp"
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}
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# List attributes on a file.
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attr_list()
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{
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_getfattr --absolute-names $1 | grep -v '^#'
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}
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# Removes an extended attribute from a file.
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attr_remove()
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{
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local file=$1 name=$2
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$SETFATTR_PROG -x $name $file
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}
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# Test files.
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x=$SCRATCH_MNT/x
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y=$SCRATCH_MNT/y
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z=$SCRATCH_MNT/z
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# Attribute with short name that goes into inode body.
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name_in_ibody=user.i
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# Attribute with long name that goes into xattr block.
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name_in_block=user.$(perl -e 'print "b" x 100;')
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# Set large xattr values on multiple files.
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touch $x $y $z
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for file in $x $y $z; do
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for name in $name_in_ibody $name_in_block; do
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for size in 4096 8000 $((64*1024)); do
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attr_set $file $name-$size \
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$(perl -e "print 'v' x $size;")
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done
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done
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attr_list $file
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done
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rm $x $y $z
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# Set/remove.
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touch $x
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attr_set $x $name_in_ibody $(perl -e "print 'i' x 25000;")
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attr_set $x $name_in_block $(perl -e "print 'b' x 25000;")
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attr_list $x
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attr_remove $x $name_in_ibody
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attr_remove $x $name_in_block
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rm $x
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# Set with same value twice.
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touch $x
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attr_set $x $name_in_ibody $(perl -e "print 'i' x 60000;")
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attr_set $x $name_in_ibody $(perl -e "print 'i' x 60000;")
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attr_list $x
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rm $x
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# Repeatedly set an extended attribute with various value sizes.
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touch $x
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for size in 0 10 80 900 1900 3000 9000 60 10000 0 8000 3000 10 0 20 10000 5; do
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attr_set $x user.1 $(perl -e "print 'v' x $size;")
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done
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attr_list $x
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rm $x
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# success, all done
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status=0
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exit
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