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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2014 Google Inc. All Rights Reserved.
#
# FS QA Test No. 069
#
# Determine whether the extent size hint can be set on directories
# with allocated extents correctly.
#
. ./common/preamble
_begin_fstest ioctl auto quick
# Import common functions.
. ./common/filter
. ./common/punch
# real QA test starts here
# Modify as appropriate.
_supported_fs xfs
_require_scratch
_scratch_mkfs_xfs >/dev/null 2>&1
_scratch_mount
_require_congruent_file_oplen $SCRATCH_MNT 8388608
small=$SCRATCH_MNT/small
big=$SCRATCH_MNT/big
# sanity check on a small directory
mkdir $small
# expect that an empty directory has no extents
$XFS_IO_PROG -c "bmap" $small | _filter_scratch
# and that we can set an extent size on it
$XFS_IO_PROG -c 'extsize 8m' $small
# and finally check that the extent size update has taken place
$XFS_IO_PROG -c "extsize" $small | _filter_scratch
# now create a 'big' (with extents) directory
mkdir $big
for idx in {0..1000}; do
touch $big/$idx
done
$XFS_IO_PROG -c 'bmap -vp' $big | _filter_bmap | \
grep -q '^0: .*data'
[ $? -eq 0 ] || echo "Can't force allocating extents!" 1>&2
# expect that we can set the extent size on $big as well
$XFS_IO_PROG -c 'extsize 8m' $big | _filter_scratch
# and that it took effect
$XFS_IO_PROG -c 'extsize' $big | _filter_scratch
# success, all done
status=0
exit
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