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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/zfeature_common.h
+14 -11
View File
@@ -37,34 +37,37 @@ extern "C" {
struct zfeature_info;
typedef enum spa_feature {
SPA_FEATURE_NONE = -1,
SPA_FEATURE_ASYNC_DESTROY,
SPA_FEATURE_EMPTY_BPOBJ,
SPA_FEATURE_LZ4_COMPRESS,
SPA_FEATURE_SPACEMAP_HISTOGRAM,
SPA_FEATURE_EXTENSIBLE_DATASET,
SPA_FEATURES
} spa_feature_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 */
boolean_t fi_can_readonly; /* Can open pool readonly w/o support? */
boolean_t fi_mos; /* Is the feature necessary to read the MOS? */
struct zfeature_info **fi_depends; /* array; null terminated */
/* array of dependencies, terminated by SPA_FEATURE_NONE */
const spa_feature_t *fi_depends;
} zfeature_info_t;
typedef int (zfeature_func_t)(zfeature_info_t *fi, void *arg);
#define ZFS_FEATURE_DEBUG
typedef enum spa_feature {
SPA_FEATURE_ASYNC_DESTROY,
SPA_FEATURE_EMPTY_BPOBJ,
SPA_FEATURE_LZ4_COMPRESS,
SPA_FEATURE_SPACEMAP_HISTOGRAM,
SPA_FEATURES
} spa_feature_t;
extern zfeature_info_t spa_feature_table[SPA_FEATURES];
extern boolean_t zfeature_is_valid_guid(const char *);
extern boolean_t zfeature_is_supported(const char *);
extern int zfeature_lookup_guid(const char *, zfeature_info_t **res);
extern int zfeature_lookup_name(const char *, zfeature_info_t **res);
extern int zfeature_lookup_name(const char *name, spa_feature_t *res);
extern void zpool_feature_init(void);