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4171 clean up spa_feature_*() interfaces
4172 implement extensible_dataset feature for use by other zpool features
Reviewed by: Max Grossman <max.grossman@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
@@ -25,10 +25,11 @@
#ifndef _SYS_ZFEATURE_H
#define _SYS_ZFEATURE_H
#include <sys/nvpair.h>
+#include <sys/txg.h>
#include "zfeature_common.h"
#ifdef __cplusplus
extern "C" {
#endif
@@ -35,22 +36,30 @@
struct spa;
struct dmu_tx;
struct objset;
-extern boolean_t feature_is_supported(struct objset *os, uint64_t obj,
- uint64_t desc_obj, nvlist_t *unsup_feat, nvlist_t *enabled_feat);
-
extern void spa_feature_create_zap_objects(struct spa *, struct dmu_tx *);
-extern void spa_feature_enable(struct spa *, zfeature_info_t *,
+extern void spa_feature_enable(struct spa *, spa_feature_t,
struct dmu_tx *);
-extern void spa_feature_incr(struct spa *, zfeature_info_t *, struct dmu_tx *);
-extern void spa_feature_decr(struct spa *, zfeature_info_t *, struct dmu_tx *);
-extern boolean_t spa_feature_is_enabled(struct spa *, zfeature_info_t *);
-extern boolean_t spa_feature_is_active(struct spa *, zfeature_info_t *);
-extern int spa_feature_get_refcount(struct spa *, zfeature_info_t *);
+extern void spa_feature_incr(struct spa *, spa_feature_t, struct dmu_tx *);
+extern void spa_feature_decr(struct spa *, spa_feature_t, struct dmu_tx *);
+extern boolean_t spa_feature_is_enabled(struct spa *, spa_feature_t);
+extern boolean_t spa_feature_is_active(struct spa *, spa_feature_t);
+extern uint64_t spa_feature_refcount(spa_t *, spa_feature_t, uint64_t);
+extern boolean_t spa_features_check(spa_t *, boolean_t, nvlist_t *, nvlist_t *);
+/*
+ * These functions are only exported for zhack and zdb; normal callers should
+ * use the above interfaces.
+ */
+extern int feature_get_refcount(struct spa *, zfeature_info_t *, uint64_t *);
+extern void feature_enable_sync(struct spa *, zfeature_info_t *,
+ struct dmu_tx *);
+extern void feature_sync(struct spa *, zfeature_info_t *, uint64_t,
+ struct dmu_tx *);
+
#ifdef __cplusplus
}
#endif
#endif /* _SYS_ZFEATURE_H */