*/
/*
- * Copyright (c) 2011, 2017 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2018 by Delphix. All rights reserved.
* Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
* Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2017, Intel Corporation.
*/
#ifndef _ZFEATURE_COMMON_H
SPA_FEATURE_OBSOLETE_COUNTS,
SPA_FEATURE_POOL_CHECKPOINT,
SPA_FEATURE_SPACEMAP_V2,
+ SPA_FEATURE_ALLOCATION_CLASSES,
+ SPA_FEATURE_RESILVER_DEFER,
SPA_FEATURES
} spa_feature_t;
typedef enum zfeature_flags {
/* Can open pool readonly even if this feature is not supported. */
ZFEATURE_FLAG_READONLY_COMPAT = (1 << 0),
- /* Is this feature necessary to read the MOS? */
+ /*
+ * Is this feature necessary to load the pool? i.e. do we need this
+ * feature to read the full feature list out of the MOS?
+ */
ZFEATURE_FLAG_MOS = (1 << 1),
/* Activate this feature at the same time it is enabled. */
ZFEATURE_FLAG_ACTIVATE_ON_ENABLE = (1 << 2),
ZFEATURE_FLAG_PER_DATASET = (1 << 3)
} zfeature_flags_t;
+typedef enum zfeature_type {
+ ZFEATURE_TYPE_BOOLEAN,
+ ZFEATURE_TYPE_UINT64_ARRAY,
+ ZFEATURE_NUM_TYPES
+} zfeature_type_t;
+
typedef struct zfeature_info {
spa_feature_t fi_feature;
const char *fi_uname; /* User-facing feature name */
const char *fi_guid; /* On-disk feature identifier */
const char *fi_desc; /* Feature description */
zfeature_flags_t fi_flags;
+ boolean_t fi_zfs_mod_supported; /* supported by running zfs module */
+ zfeature_type_t fi_type; /* Only relevant for PER_DATASET features */
/* array of dependencies, terminated by SPA_FEATURE_NONE */
const spa_feature_t *fi_depends;
} zfeature_info_t;
extern boolean_t zfeature_is_valid_guid(const char *);
extern boolean_t zfeature_is_supported(const char *);
+extern int zfeature_lookup_guid(const char *, spa_feature_t *);
extern int zfeature_lookup_name(const char *, spa_feature_t *);
extern boolean_t zfeature_depends_on(spa_feature_t, spa_feature_t);