diff options
Diffstat (limited to 'usr/src/common/zfs/zfeature_common.h')
| -rw-r--r-- | usr/src/common/zfs/zfeature_common.h | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/usr/src/common/zfs/zfeature_common.h b/usr/src/common/zfs/zfeature_common.h index 6387eb4731..0664458794 100644 --- a/usr/src/common/zfs/zfeature_common.h +++ b/usr/src/common/zfs/zfeature_common.h @@ -38,36 +38,39 @@ 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_FS_SS_LIMIT, + SPA_FEATURE_MULTI_VDEV_CRASH_DUMP, + 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 -enum spa_feature { - SPA_FEATURE_ASYNC_DESTROY, - SPA_FEATURE_EMPTY_BPOBJ, - SPA_FEATURE_LZ4_COMPRESS, - SPA_FEATURE_FS_SS_LIMIT, - SPA_FEATURE_MULTI_VDEV_CRASH_DUMP, - 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); |