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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. 217
#
# large log size mkfs test - ensure the log size scaling works
#
. ./common/preamble
_begin_fstest log metadata auto
# Import common functions.
. ./common/filter
# real QA test starts here
_supported_fs xfs
_require_scratch
_scratch_mkfs_xfs >/dev/null 2>&1
_scratch_mount
# 16T mkfs requires a bit over 2G free
_require_fs_space $SCRATCH_MNT 2202000
_require_loop
LOOP_DEV=$SCRATCH_MNT/test_fs
LOOP_MNT=$SCRATCH_MNT/test_fs_dir
_do_mkfs()
{
for i in $*; do
echo -n "fssize=${i}g "
$MKFS_XFS_PROG -f -b size=4096 -l version=2 \
-d name=$LOOP_DEV,size=${i}g |grep log
mount -o loop -t xfs $LOOP_DEV $LOOP_MNT
echo "test write" > $LOOP_MNT/test
umount $LOOP_MNT > /dev/null 2>&1
# punch out the previous blocks so that we keep the amount of
# disk space the test requires down to a minimum.
$XFS_IO_PROG -f -c "unresvsp 0 16383g" $LOOP_DEV
done
}
# make large holey file
$XFS_IO_PROG -f -c "truncate 16383g" $LOOP_DEV
#make loopback mount dir
mkdir $LOOP_MNT
# test if large logs are supported
$MKFS_XFS_PROG -f -l size=256m -d name=$LOOP_DEV,size=10g > /dev/null 2>&1
if [ $? -ne 0 ]; then
_notrun "large log sizes not supported by mkfs"
fi
#
# walk over "new" sizes supported by recent xfsprogs.
# Note that the last test is for 16TB-1GB as 32bit platforms only support
# device slightly smaller than 16TB.
#
_do_mkfs 512 1024 2048 4096 8192 16383
status=0
exit
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