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Fix pool creation with feature@allocation_classes disabled

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When "feature@allocation_classes" is not enabled on the pool no vdev
with "special" or "dedup" allocation type should be allowed to exist in
the vdev tree.

Reviewed-by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #9427 
Closes #9429
This commit is contained in:
loli10K
2019-10-11 01:39:41 +02:00
committed by Brian Behlendorf
parent 2516a87821
commit 715c996d3b
4 changed files with 44 additions and 1 deletions
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module/zcommon/zfs_comutil.c
+28
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@@ -64,6 +64,33 @@ zfs_allocatable_devs(nvlist_t *nv)
return (B_FALSE);
}
/*
* Are there special vdevs?
*/
boolean_t
zfs_special_devs(nvlist_t *nv)
{
char *bias;
uint_t c;
nvlist_t **child;
uint_t children;
if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
&child, &children) != 0) {
return (B_FALSE);
}
for (c = 0; c < children; c++) {
if (nvlist_lookup_string(child[c], ZPOOL_CONFIG_ALLOCATION_BIAS,
&bias) == 0) {
if (strcmp(bias, VDEV_ALLOC_BIAS_SPECIAL) == 0 ||
strcmp(bias, VDEV_ALLOC_BIAS_DEDUP) == 0) {
return (B_TRUE);
}
}
}
return (B_FALSE);
}
void
zpool_get_load_policy(nvlist_t *nvl, zpool_load_policy_t *zlpp)
{
@@ -223,6 +250,7 @@ zfs_dataset_name_hidden(const char *name)
#if defined(_KERNEL)
EXPORT_SYMBOL(zfs_allocatable_devs);
EXPORT_SYMBOL(zfs_special_devs);
EXPORT_SYMBOL(zpool_get_load_policy);
EXPORT_SYMBOL(zfs_zpl_version_map);
EXPORT_SYMBOL(zfs_spa_version_map);