#! /bin/bash
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (c) 2022 Oracle.  All Rights Reserved.
#
# FS QA Test No. 716
#
# Make sure online repair can handle rebuilding xattrs when the data fork is
# in btree format and we cannot just zap the attr fork.

. ./common/preamble
_begin_fstest auto quick online_repair

# Override the default cleanup function.
_cleanup()
{
	cd /
}

# Import common functions.
. ./common/inject
. ./common/filter

# real QA test starts here
_supported_fs xfs
_require_scratch
_require_xfs_io_error_injection "force_repair"
_require_xfs_io_command "falloc"
_require_xfs_io_command "repair"
_require_test_program "punch-alternating"

_scratch_mkfs > $tmp.mkfs
_scratch_mount

_require_scratch_xfs_scrub

# Force data device extents so that we can create a file with the exact bmbt
# that we need regardless of rt configuration.
_xfs_force_bdev data $SCRATCH_MNT

file=$SCRATCH_MNT/moofile
touch $file

# Create some xattrs so that we have to rebuild them.
$XFS_IO_PROG -f -c 'pwrite -S 0x58 0 76' $file.txt >> $seqres.full
$SETFATTR_PROG -n user.SGI_BCL_FILE -v "$(cat $file.txt)" $file

$SETFATTR_PROG -n user.crtime_usec -v 12345678 $file

blksz=$(_get_file_block_size $SCRATCH_MNT)
ino=$(stat -c '%i' $file)

# Figure out how many extents we need to have to create a data fork that's in
# btree format.
umount $SCRATCH_MNT
di_forkoff=$(_scratch_xfs_db -c "inode $ino" -c "p core.forkoff" | \
	awk '{print $3}')
_scratch_xfs_db -c "inode $ino" -c "p" >> $seqres.full
_scratch_mount

# Create a data fork in btree format
min_ext_for_btree=$((di_forkoff * 8 / 16))
$XFS_IO_PROG -c "falloc 0 $(( (min_ext_for_btree + 1) * 2 * blksz))" $file
$here/src/punch-alternating $file

# Make sure the data fork is in btree format.
umount $SCRATCH_MNT
_scratch_xfs_db -c "inode $ino" -c "p core.format" | grep -q "btree" || \
	echo "data fork not in btree format?"
echo "about to start test" >> $seqres.full
_scratch_xfs_db -c "inode $ino" -c "p" >> $seqres.full
_scratch_mount

# Force repair the xattr fork
_scratch_inject_error force_repair
$XFS_IO_PROG -x -c 'repair xattr' $file 2>&1 | tee $tmp.repair.log
grep -q 'Operation not supported' $tmp.repair.log && \
	_notrun "online xattr repair not supported"

# If online repair did it correctly, the filesystem won't be corrupt.  Let the
# post-test check do its thing.

# success, all done
echo "Silence is golden."
status=0
exit