40 
  41 typedef struct zfeature_info {
  42         const char *fi_uname;   /* User-facing feature name */
  43         const char *fi_guid;    /* On-disk feature identifier */
  44         const char *fi_desc;    /* Feature description */
  45         boolean_t fi_can_readonly; /* Can open pool readonly w/o support? */
  46         boolean_t fi_mos;       /* Is the feature necessary to read the MOS? */
  47         struct zfeature_info **fi_depends; /* array; null terminated */
  48 } zfeature_info_t;
  49 
  50 typedef int (zfeature_func_t)(zfeature_info_t *fi, void *arg);
  51 
  52 #define ZFS_FEATURE_DEBUG
  53 
  54 enum spa_feature {
  55         SPA_FEATURE_ASYNC_DESTROY,
  56         SPA_FEATURE_EMPTY_BPOBJ,
  57         SPA_FEATURE_LZ4_COMPRESS,
  58         SPA_FEATURE_MULTI_VDEV_CRASH_DUMP,
  59         SPA_FEATURE_SPACEMAP_HISTOGRAM,



  60         SPA_FEATURES
  61 } spa_feature_t;
  62 
  63 extern zfeature_info_t spa_feature_table[SPA_FEATURES];
  64 
  65 extern boolean_t zfeature_is_valid_guid(const char *);
  66 
  67 extern boolean_t zfeature_is_supported(const char *);
  68 extern int zfeature_lookup_guid(const char *, zfeature_info_t **res);
  69 extern int zfeature_lookup_name(const char *, zfeature_info_t **res);
  70 
  71 extern void zpool_feature_init(void);
  72 
  73 #ifdef  __cplusplus
  74 }
  75 #endif
  76 
  77 #endif  /* _ZFEATURE_COMMON_H */

  40 
  41 typedef struct zfeature_info {
  42         const char *fi_uname;   /* User-facing feature name */
  43         const char *fi_guid;    /* On-disk feature identifier */
  44         const char *fi_desc;    /* Feature description */
  45         boolean_t fi_can_readonly; /* Can open pool readonly w/o support? */
  46         boolean_t fi_mos;       /* Is the feature necessary to read the MOS? */
  47         struct zfeature_info **fi_depends; /* array; null terminated */
  48 } zfeature_info_t;
  49 
  50 typedef int (zfeature_func_t)(zfeature_info_t *fi, void *arg);
  51 
  52 #define ZFS_FEATURE_DEBUG
  53 
  54 enum spa_feature {
  55         SPA_FEATURE_ASYNC_DESTROY,
  56         SPA_FEATURE_EMPTY_BPOBJ,
  57         SPA_FEATURE_LZ4_COMPRESS,
  58         SPA_FEATURE_MULTI_VDEV_CRASH_DUMP,
  59         SPA_FEATURE_SPACEMAP_HISTOGRAM,
  60         SPA_FEATURE_SHA512,
  61         SPA_FEATURE_SKEIN,
  62         SPA_FEATURE_EDONR,
  63         SPA_FEATURES
  64 } spa_feature_t;
  65 
  66 extern zfeature_info_t spa_feature_table[SPA_FEATURES];
  67 
  68 extern boolean_t zfeature_is_valid_guid(const char *);
  69 
  70 extern boolean_t zfeature_is_supported(const char *);
  71 extern int zfeature_lookup_guid(const char *, zfeature_info_t **res);
  72 extern int zfeature_lookup_name(const char *, zfeature_info_t **res);
  73 
  74 extern void zpool_feature_init(void);
  75 
  76 #ifdef  __cplusplus
  77 }
  78 #endif
  79 
  80 #endif  /* _ZFEATURE_COMMON_H */