mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Darrick J. Wong
8144ddc459
Test the realtime rmap btree code by exercising various IO patterns on realtime files. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
90 lines
2.6 KiB
Bash
Executable File
90 lines
2.6 KiB
Bash
Executable File
#! /bin/bash
|
|
# FS QA Test No. 880
|
|
#
|
|
# Exercise expanding and shrinking the realtime rmap btree.
|
|
#
|
|
#-----------------------------------------------------------------------
|
|
# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved.
|
|
#
|
|
# This program is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU General Public License as
|
|
# published by the Free Software Foundation.
|
|
#
|
|
# This program is distributed in the hope that it would be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write the Free Software Foundation,
|
|
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
#-----------------------------------------------------------------------
|
|
|
|
seq=`basename "$0"`
|
|
seqres="$RESULT_DIR/$seq"
|
|
echo "QA output created by $seq"
|
|
|
|
here=`pwd`
|
|
tmp=/tmp/$$
|
|
status=1 # failure is the default!
|
|
trap "_cleanup; exit \$status" 0 1 2 3 15
|
|
|
|
_cleanup()
|
|
{
|
|
cd /
|
|
rm -rf "$tmp".*
|
|
}
|
|
|
|
# get standard environment, filters and checks
|
|
. ./common/rc
|
|
. ./common/filter
|
|
|
|
# real QA test starts here
|
|
_supported_os Linux
|
|
_supported_fs xfs
|
|
_require_realtime
|
|
_require_xfs_scratch_rmapbt
|
|
_require_test_program "punch-alternating"
|
|
_require_xfs_io_command "falloc"
|
|
|
|
rm -f "$seqres.full"
|
|
|
|
echo "Format and mount"
|
|
_scratch_mkfs | _filter_mkfs 2>$tmp.mkfs >/dev/null
|
|
. $tmp.mkfs
|
|
cat $tmp.mkfs > "$seqres.full" 2>&1
|
|
_scratch_mount
|
|
blksz="$(get_block_size $SCRATCH_MNT)"
|
|
|
|
echo "Create a three-level rtrmapbt"
|
|
# inode core size is at least 176 bytes; btree header is 56 bytes;
|
|
# rtrmap record is 32 bytes; and rtrmap key/pointer are 56 bytes.
|
|
i_ptrs=$(( (isize - 176) / 56 ))
|
|
bt_ptrs=$(( (blksz - 56) / 56 ))
|
|
bt_recs=$(( (blksz - 56) / 32 ))
|
|
|
|
blocks=$((i_ptrs * bt_ptrs * bt_recs))
|
|
# Need (2 * blocks * blksz) bytes for files, and 20% more for metadata
|
|
_require_fs_space $SCRATCH_MNT $(( (2 * blocks * blksz) * 5 / 4096 ))
|
|
len=$((blocks * rtextsz))
|
|
|
|
echo "Create big file"
|
|
$XFS_IO_PROG -f -R -c "falloc 0 $len" -c "pwrite -S 0x68 -b 1048576 0 $len" $SCRATCH_MNT/f1 >> $seqres.full
|
|
$XFS_IO_PROG -f -R -c "falloc 0 $len" -c "pwrite -S 0x68 -b 1048576 0 $len" $SCRATCH_MNT/f2 >> $seqres.full
|
|
|
|
echo "Explode the rtrmapbt"
|
|
./src/punch-alternating $SCRATCH_MNT/f1 >> "$seqres.full"
|
|
./src/punch-alternating $SCRATCH_MNT/f2 >> "$seqres.full"
|
|
_scratch_cycle_mount
|
|
|
|
echo "Remove half the records"
|
|
rm -rf $SCRATCH_MNT/f1
|
|
_scratch_cycle_mount
|
|
|
|
echo "Remove the rest of the records"
|
|
rm -rf $SCRATCH_MNT/f2
|
|
|
|
# success, all done
|
|
status=0
|
|
exit
|