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Illumos 4171, 4172

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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>
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Approved by: Garrett D'Amore <garrett@damore.org>a

References:
  https://www.illumos.org/issues/4171
  https://www.illumos.org/issues/4172
  https://github.com/illumos/illumos-gate/commit/2acef22

Ported-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2528
This commit is contained in:
Matthew Ahrens
2013-10-08 09:13:05 -08:00
committed by Brian Behlendorf
parent 62b6939308
commit fa86b5dbb6
27 changed files with 369 additions and 276 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/sys/zfeature.h
+18 -9
View File
@@ -27,6 +27,7 @@
#define _SYS_ZFEATURE_H
#include <sys/nvpair.h>
#include <sys/txg.h>
#include "zfeature_common.h"
#ifdef __cplusplus
@@ -37,17 +38,25 @@ 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 *, 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 *);
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 *);
#ifdef __cplusplus
}