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makefs/zfs: Add a regression test which checks the 'used*' properties

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PR:		274613
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Mark Johnston 2023-10-23 11:11:26 -04:00
parent eb5cbd793e
commit cfcb53e1a1
1 changed files with 71 additions and 2 deletions
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73
usr.sbin/makefs/tests/makefs_zfs_tests.sh
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@ -1,7 +1,7 @@
#-
# SPDX-License-Identifier: BSD-2-Clause
#
# Copyright (c) 2022 The FreeBSD Foundation
# Copyright (c) 2022-2023 The FreeBSD Foundation
#
# This software was developed by Mark Johnston under sponsorship from
# the FreeBSD Foundation.
@ -57,7 +57,7 @@ import_image()
atf_check -e empty -o save:$TEST_MD_DEVICE_FILE -s exit:0 \
mdconfig -a -f $TEST_IMAGE
atf_check -o ignore -e empty -s exit:0 \
zdb -e -p /dev/$(cat $TEST_MD_DEVICE_FILE) -mmm -ddddd $ZFS_POOL_NAME
zdb -e -p /dev/$(cat $TEST_MD_DEVICE_FILE) -mmm -ddddd $ZFS_POOL_NAME
atf_check zpool import -R $TEST_MOUNT_DIR $ZFS_POOL_NAME
echo "$ZFS_POOL_NAME" > $TEST_ZFS_POOL_NAME
}
@ -726,6 +726,74 @@ root_props_cleanup()
common_cleanup
}
#
# Verify that usedds and usedchild props are set properly.
#
atf_test_case used_space_props cleanup
used_space_props_body()
{
local used usedds usedchild
local rootmb childmb totalmb fudge
local status
create_test_dirs
cd $TEST_INPUTS_DIR
mkdir dir
rootmb=17
childmb=39
totalmb=$(($rootmb + $childmb))
fudge=$((2 * 1024 * 1024))
atf_check -e ignore dd if=/dev/random of=foo bs=1M count=$rootmb
atf_check -e ignore dd if=/dev/random of=dir/bar bs=1M count=$childmb
cd -
atf_check $MAKEFS -s 1g -o rootpath=/ -o poolname=$ZFS_POOL_NAME \
-o fs=${ZFS_POOL_NAME}/dir \
$TEST_IMAGE $TEST_INPUTS_DIR
import_image
# Make sure that each dataset's space usage is no more than 2MB larger
# than their files. This number is magic and might need to change
# someday.
usedds=$(zfs list -o usedds -Hp ${ZFS_POOL_NAME})
atf_check test $usedds -gt $(($rootmb * 1024 * 1024)) -a \
$usedds -le $(($rootmb * 1024 * 1024 + $fudge))
usedds=$(zfs list -o usedds -Hp ${ZFS_POOL_NAME}/dir)
atf_check test $usedds -gt $(($childmb * 1024 * 1024)) -a \
$usedds -le $(($childmb * 1024 * 1024 + $fudge))
# Make sure that the usedchild property value makes sense: the parent's
# value corresponds to the size of the child, and the child has no
# children.
usedchild=$(zfs list -o usedchild -Hp ${ZFS_POOL_NAME})
atf_check test $usedchild -gt $(($childmb * 1024 * 1024)) -a \
$usedchild -le $(($childmb * 1024 * 1024 + $fudge))
atf_check -o inline:'0\n' \
zfs list -Hp -o usedchild ${ZFS_POOL_NAME}/dir
# Make sure that the used property value makes sense: the parent's
# value is the sum of the two sizes, and the child's value is the
# same as its usedds value, which has already been checked.
used=$(zfs list -o used -Hp ${ZFS_POOL_NAME})
atf_check test $used -gt $(($totalmb * 1024 * 1024)) -a \
$used -le $(($totalmb * 1024 * 1024 + 2 * $fudge))
used=$(zfs list -o used -Hp ${ZFS_POOL_NAME}/dir)
atf_check -o inline:$used'\n' \
zfs list -Hp -o usedds ${ZFS_POOL_NAME}/dir
# Both datasets do not have snapshots.
atf_check -o inline:'0\n' zfs list -Hp -o usedsnap ${ZFS_POOL_NAME}
atf_check -o inline:'0\n' zfs list -Hp -o usedsnap ${ZFS_POOL_NAME}/dir
}
used_space_props_cleanup()
{
common_cleanup
}
atf_init_test_cases()
{
atf_add_test_case autoexpand
@ -748,6 +816,7 @@ atf_init_test_cases()
atf_add_test_case snapshot
atf_add_test_case soft_links
atf_add_test_case root_props
atf_add_test_case used_space_props
# XXXMJ tests:
# - test with different ashifts (at least, 9 and 12), different image sizes