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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
#
# FS QA Test No. 186
#
# Test out:
# pv#979606: xfs bug in going from attr2 back to attr1
#
# Test bug in going from attr2 back to attr1 where xfs
# (due to xfs_attr_shortform_bytesfit)
# would reset the di_forkoff to the m_offset instead of
# leaving the di_forkoff alone as was intended.
#
# We create enough dirents to push us past m_attroffset,
# and create an EA so we have a fork offset
# and then turn on attr1 and add one more EA which
# will write over the shortform dirents.
#
. ./common/preamble
_begin_fstest attr auto quick
_create_dirents()
{
start_num=$1
end_num=$2
cd $fork_dir
for i in `seq $start_num $end_num`; do
touch file.$i
done
}
_create_eas()
{
start_num=$1
end_num=$2
for i in `seq $start_num $end_num`; do
$SETFATTR_PROG -n user.$i -v 0xbabe $fork_dir
done
}
_rmv_eas()
{
start_num=$1
end_num=$2
for i in `seq $start_num $end_num`; do
$SETFATTR_PROG -x user.$i $fork_dir
done
}
# If filetype is available (-n ftype=1) will get v3 dirs;
# just filter/replace to make this look the same as if we
# had v2 dirs, as we are not interested in this info.
_filter_inode()
{
tee -a $seqres.full | \
sed -e "s/core.forkoff/forkoff/g" | \
grep -E '^u.sfdir2|^u.sfdir3|^a.sfattr|forkoff' | \
grep -E -v 'inumber|parent' | \
sed -e s/sfdir3/sfdir2/g | \
grep -v filetype
}
_filter_version()
{
tee -a $seqres.full | tr ',' '\n' | grep ATTR
}
_print_inode()
{
echo ""
echo "================================="
_scratch_xfs_db -c "version" 2>&1 | _filter_version
_scratch_xfs_db -c "inode $inum" -c p 2>&1 | _filter_inode
echo "================================="
}
_do_eas()
{
echo ""
_scratch_mount
if [ $1 = "-r" ]; then
echo "*** remove EAs start $2 end $3 ***"
_rmv_eas $2 $3
else
echo "*** create EAs start $2 end $3 ***"
_create_eas $2 $3
fi
echo ""
cd /; $UMOUNT_PROG $SCRATCH_MNT
_print_inode
}
_do_dirents()
{
num=`expr $2 - $1 + 1`
echo ""
echo "*** create $num dirents ***"
echo ""
_scratch_mount
_create_dirents $1 $2
cd /; $UMOUNT_PROG $SCRATCH_MNT
_print_inode
}
_changeto_attr1()
{
echo ""
echo "Try setting attr1 by db"
echo ""
_scratch_xfs_db -x -c "version attr1" | _filter_version
}
# Import common functions.
. ./common/filter
. ./common/attr
# real QA test starts here
# Modify as appropriate.
_supported_fs xfs
_require_scratch
_require_attrs
_require_attr_v1
_scratch_mkfs -i attr=2,size=512 -l lazy-count=1 | _filter_mkfs \
>>$seqres.full 2>$tmp.mkfs
# import crc status and attr version
. $tmp.mkfs
# _scratch_mkfs may ignore $MKFS_OPTIONS if mkfs fails due to conflicts between
# $MKFS_OPTIONS and the provided mkfs options, which could result in creating
# an XFS we don't want. Check crc status and attr version to be sure.
if [ $_fs_has_crcs -eq 1 ]; then
_notrun "attr v1 not supported on $SCRATCH_DEV"
fi
if [ $attr -ne 2 ]; then
_notrun "need attr v2 on $SCRATCH_DEV"
fi
# set inum to root dir ino
# we'll add in dirents and EAs into the root directory
inum=`_scratch_xfs_get_sb_field rootino`
fork_dir=$SCRATCH_MNT
_print_inode
# add enough dirents to be inline but more
# than will fit for m_attroffset for 512b inodes
# for attr2 this is not a problem
_do_dirents 1 25
# add 1 ea so we get our forkoff happening
_do_eas -c 1 1
# now change back to attr1 where forkoff is constant now
_changeto_attr1
# now add another EA
# for a bug in xfs_add_shortform_bytesfit
# where it resets the forkoff to m_attroffset>>3 instead of
# leaving as di_forkoff
# If it resets to m_attroffset which is in the middle of
# the dirents then they will get corrupted
_do_eas -c 2 2
# success, all done
status=0
exit
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