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3# CDDL HEADER START
4#
5# The contents of this file are subject to the terms of the
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11# See the License for the specific language governing permissions
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16# If applicable, add the following below this CDDL HEADER, with the
17# fields enclosed by brackets "[]" replaced with your own identifying
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20# CDDL HEADER END
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22
23#
24# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
25# Use is subject to license terms.
26#
27# ident	"@(#)zfs_upgrade.kshlib	1.3	09/06/22 SMI"
28#
29
30. $STF_SUITE/include/libtest.kshlib
31
32#
33# For zfs create.
34# When pool version is 15, fs whose version is 4 can be created.
35#
36set -A zpl_create_versions 3 4 5
37set -A spa_create_versions 9 15 24
38
39#
40# For zfs upgrade
41#
42set -A zpl_upgrade_versions 3 4 5
43set -A spa_upgrade_versions 9 15 24
44
45function get_pool_version #pool
46{
47	typeset pool=$1
48	typeset vs=$(get_pool_prop version $pool)
49	if [ "$vs" = "-" ]; then
50		echo 5000
51	else
52		echo "$vs"
53	fi
54}
55
56function default_setup_datasets #rootfs
57{
58	typeset rootfs=$1
59	typeset pool=${rootfs%%/*}
60	typeset -i vp=$(get_pool_version $pool)
61	typeset -i version
62	typeset -i m
63	typeset -i spa_version
64	typeset -i zpl_version
65
66	for version in $ZFS_ALL_VERSIONS ; do
67		typeset verfs
68		eval verfs=\$ZFS_VERSION_$version
69		typeset current_fs=$rootfs/$verfs
70		typeset current_snap=${current_fs}@snap
71		typeset current_clone=$rootfs/clone$verfs
72
73		(( m=0 ))
74		(( spa_version=0 ))
75		while (( m < ${#zpl_create_versions[@]} )); do
76			(( zpl_version=${zpl_create_versions[m]} ))
77			if (( version == zpl_version )); then
78				(( spa_version=${spa_create_versions[m]} ))
79				break
80			fi
81			(( m+=1 ))
82		done
83		if (( spa_version != 0 )) && (( vp < spa_version )); then
84			log_mustnot $ZFS create -o version=${version} ${current_fs}
85			continue
86		fi
87		log_must $ZFS create -o version=${version} ${current_fs}
88		log_must $ZFS snapshot ${current_snap}
89		log_must $ZFS clone ${current_snap} ${current_clone}
90
91		for subversion in $ZFS_ALL_VERSIONS ; do
92			typeset subverfs
93			eval subverfs=\$ZFS_VERSION_$subversion
94
95			(( m=0 ))
96			(( spa_version=0 ))
97			while (( m < ${#zpl_create_versions[@]} )); do
98				(( zpl_version=${zpl_create_versions[m]} ))
99				if (( subversion == zpl_version )); then
100					(( spa_version=${spa_create_versions[m]} ))
101					break
102				fi
103				(( m+=1 ))
104			done
105			if (( spa_version != 0 )) && (( vp < spa_version )); then
106				log_mustnot $ZFS create -o \
107				version=${subversion} ${current_fs}/$subverfs
108			else
109				log_must $ZFS create -o \
110				version=${subversion} ${current_fs}/$subverfs
111			fi
112		done
113	done
114}
115
116function default_cleanup_datasets #rootfs
117{
118	typeset rootfs=$1
119
120	if datasetexists $rootfs ; then
121		log_must $ZFS destroy -Rf $rootfs
122	fi
123
124	if datasetnonexists $rootfs ; then
125		log_must $ZFS create $rootfs
126	fi
127}
128
129function default_check_zfs_upgrade #rootfs
130{
131	typeset rootfs=$1
132	typeset pool=${rootfs%%/*}
133	typeset -i vp="$(get_pool_version $pool)"
134	typeset -i m
135	typeset -i spa_version
136	typeset -i zpl_version
137	typeset newv
138	typeset -i df_ret
139
140	$DF -t zfs / > /dev/null 2>&1
141	df_ret=$?
142
143	for newv in "" $ZFS_VERSION; do
144		default_setup_datasets $rootfs
145		if [[ -n $newv ]]; then
146			opt="-V $newv"
147		else
148			newv=$ZFS_VERSION
149		fi
150
151		(( m=0 ))
152		(( spa_version=0 ))
153		while (( m < ${#zpl_upgrade_versions[@]} )); do
154			(( zpl_version=${zpl_upgrade_versions[m]} ))
155			if (( newv == zpl_version )); then
156				(( spa_version=${spa_upgrade_versions[m]} ))
157				break
158			fi
159			(( m+=1 ))
160		done
161
162		if (( df_ret != 0 )); then
163			if (( spa_version != 0 )) && (( vp < spa_version )); then
164				log_mustnot eval '$ZFS upgrade $opt -a > /dev/null 2>&1'
165				log_must eval '$ZPOOL upgrade $pool > /dev/null 2>&1'
166				vp="$(get_pool_version $pool)"
167			fi
168
169			log_must eval '$ZFS upgrade $opt -a > /dev/null 2>&1'
170
171			for fs in $($ZFS list -rH -t filesystem -o name $rootfs) ; do
172				log_must check_fs_version $fs $newv
173			done
174		fi
175
176		default_cleanup_datasets $rootfs
177	done
178}
179
180function check_fs_version #filesystem version
181{
182	typeset fs=$1
183	typeset -i version=${2:-$ZFS_VERSION}
184
185	if [[ -z $fs ]]; then
186		log_fail "No filesystem specified."
187	fi
188
189	typeset -i curv=$(get_prop version $fs)
190	if (( curv != version )); then
191		return 1
192	fi
193	return 0
194}
195