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Enforce PROP_ONETIME on zpool properties

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Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
Closes #7661
This commit is contained in:
Chunwei Chen 2017-08-14 14:28:43 -07:00 committed by Brian Behlendorf
parent 69830602de
commit edf60b8645
3 changed files with 15 additions and 9 deletions
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1
include/sys/fs/zfs.h
View File

@ -320,6 +320,7 @@ const char *zpool_prop_to_name(zpool_prop_t);
const char *zpool_prop_default_string(zpool_prop_t);
uint64_t zpool_prop_default_numeric(zpool_prop_t);
boolean_t zpool_prop_readonly(zpool_prop_t);
boolean_t zpool_prop_setonce(zpool_prop_t);
boolean_t zpool_prop_feature(const char *);
boolean_t zpool_prop_unsupported(const char *);
int zpool_prop_index_to_string(zpool_prop_t, uint64_t, const char **);

17
lib/libzfs/libzfs_pool.c
View File

@ -549,6 +549,14 @@ zpool_valid_proplist(libzfs_handle_t *hdl, const char *poolname,
goto error;
}
if (!flags.create && zpool_prop_setonce(prop)) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"property '%s' can only be set at "
"creation time"), propname);
(void) zfs_error(hdl, EZFS_BADPROP, errbuf);
goto error;
}
if (zprop_parse_value(hdl, elem, prop, ZFS_TYPE_POOL, retprops,
&strval, &intval, errbuf) != 0)
goto error;
@ -704,15 +712,6 @@ zpool_valid_proplist(libzfs_handle_t *hdl, const char *poolname,
goto error;
}
break;
case ZPOOL_PROP_TNAME:
if (!flags.create) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"property '%s' can only be set at "
"creation time"), propname);
(void) zfs_error(hdl, EZFS_BADPROP, errbuf);
goto error;
}
break;
case ZPOOL_PROP_MULTIHOST:
if (get_system_hostid() == 0) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,

6
module/zcommon/zpool_prop.c
View File

@ -171,6 +171,12 @@ zpool_prop_readonly(zpool_prop_t prop)
return (zpool_prop_table[prop].pd_attr == PROP_READONLY);
}
boolean_t
zpool_prop_setonce(zpool_prop_t prop)
{
return (zpool_prop_table[prop].pd_attr == PROP_ONETIME);
}
const char *
zpool_prop_default_string(zpool_prop_t prop)
{