FreeBSD: Add zfs_link_create() error handling

[mirror_zfs.git] / include / zfeature_common.h

diff --git a/include/zfeature_common.h b/include/zfeature_common.h
index 27f8f00a04f08545564170d2ca86e4035a14304d..2515ba321759719835480e9de1fdbb93adc9e64d 100644 (file)
--- a/include/zfeature_common.h
+++ b/include/zfeature_common.h
@@ -6,7 +6,7 @@
  * You may not use this file except in compliance with the License.
  *
  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
+ * or https://opensource.org/licenses/CDDL-1.0.
  * See the License for the specific language governing permissions
  * and limitations under the License.
  *
@@ -20,11 +20,14 @@
  */
 
 /*
- * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2018 by Delphix. All rights reserved.
+ * Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
+ * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2017, Intel Corporation.
  */
 
 #ifndef _ZFEATURE_COMMON_H
-#define        _ZFEATURE_COMMON_H
+#define        _ZFEATURE_COMMON_H extern __attribute__((visibility("default")))
 
 #include <sys/fs/zfs.h>
 #include <sys/inttypes.h>
@@ -36,33 +39,101 @@ 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_MULTI_VDEV_CRASH_DUMP,
+       SPA_FEATURE_SPACEMAP_HISTOGRAM,
+       SPA_FEATURE_ENABLED_TXG,
+       SPA_FEATURE_HOLE_BIRTH,
+       SPA_FEATURE_EXTENSIBLE_DATASET,
+       SPA_FEATURE_EMBEDDED_DATA,
+       SPA_FEATURE_BOOKMARKS,
+       SPA_FEATURE_FS_SS_LIMIT,
+       SPA_FEATURE_LARGE_BLOCKS,
+       SPA_FEATURE_LARGE_DNODE,
+       SPA_FEATURE_SHA512,
+       SPA_FEATURE_SKEIN,
+       SPA_FEATURE_EDONR,
+       SPA_FEATURE_USEROBJ_ACCOUNTING,
+       SPA_FEATURE_ENCRYPTION,
+       SPA_FEATURE_PROJECT_QUOTA,
+       SPA_FEATURE_DEVICE_REMOVAL,
+       SPA_FEATURE_OBSOLETE_COUNTS,
+       SPA_FEATURE_POOL_CHECKPOINT,
+       SPA_FEATURE_SPACEMAP_V2,
+       SPA_FEATURE_ALLOCATION_CLASSES,
+       SPA_FEATURE_RESILVER_DEFER,
+       SPA_FEATURE_BOOKMARK_V2,
+       SPA_FEATURE_REDACTION_BOOKMARKS,
+       SPA_FEATURE_REDACTED_DATASETS,
+       SPA_FEATURE_BOOKMARK_WRITTEN,
+       SPA_FEATURE_LOG_SPACEMAP,
+       SPA_FEATURE_LIVELIST,
+       SPA_FEATURE_DEVICE_REBUILD,
+       SPA_FEATURE_ZSTD_COMPRESS,
+       SPA_FEATURE_DRAID,
+       SPA_FEATURE_ZILSAXATTR,
+       SPA_FEATURE_HEAD_ERRLOG,
+       SPA_FEATURE_BLAKE3,
+       SPA_FEATURE_BLOCK_CLONING,
+       SPA_FEATURE_AVZ_V2,
+       SPA_FEATURE_REDACTION_LIST_SPILL,
+       SPA_FEATURE_RAIDZ_EXPANSION,
+       SPA_FEATURES
+} spa_feature_t;
+
+#define        SPA_FEATURE_DISABLED    (-1ULL)
+
+typedef enum zfeature_flags {
+       /* Can open pool readonly even if this feature is not supported. */
+       ZFEATURE_FLAG_READONLY_COMPAT =         (1 << 0),
+       /*
+        * Is this feature necessary to load the pool? i.e. do we need this
+        * feature to read the full feature list out of the MOS?
+        */
+       ZFEATURE_FLAG_MOS =                     (1 << 1),
+       /* Activate this feature at the same time it is enabled. */
+       ZFEATURE_FLAG_ACTIVATE_ON_ENABLE =      (1 << 2),
+       /* Each dataset has a field set if it has ever used this feature. */
+       ZFEATURE_FLAG_PER_DATASET =             (1 << 3)
+} zfeature_flags_t;
+
+typedef enum zfeature_type {
+       ZFEATURE_TYPE_BOOLEAN,
+       ZFEATURE_TYPE_UINT64_ARRAY,
+       ZFEATURE_NUM_TYPES
+} zfeature_type_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 */
+       zfeature_flags_t fi_flags;
+       boolean_t fi_zfs_mod_supported; /* supported by running zfs module */
+       zfeature_type_t fi_type; /* Only relevant for PER_DATASET features */
+       /* 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);
+typedef int (zfeature_func_t)(zfeature_info_t *, void *);
 
 #define        ZFS_FEATURE_DEBUG
 
-typedef enum spa_feature {
-       SPA_FEATURE_ASYNC_DESTROY,
-       SPA_FEATURES
-} spa_feature_t;
-
-extern zfeature_info_t spa_feature_table[SPA_FEATURES];
+_ZFEATURE_COMMON_H zfeature_info_t spa_feature_table[SPA_FEATURES];
+_ZFEATURE_COMMON_H boolean_t zfeature_checks_disable;
 
-extern boolean_t zfeature_is_valid_guid(const char *);
+_ZFEATURE_COMMON_H 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);
+_ZFEATURE_COMMON_H boolean_t zfeature_is_supported(const char *);
+_ZFEATURE_COMMON_H int zfeature_lookup_guid(const char *, spa_feature_t *);
+_ZFEATURE_COMMON_H int zfeature_lookup_name(const char *, spa_feature_t *);
+_ZFEATURE_COMMON_H boolean_t zfeature_depends_on(spa_feature_t, spa_feature_t);
 
-extern void zpool_feature_init(void);
+_ZFEATURE_COMMON_H void zpool_feature_init(void);
 
 #ifdef __cplusplus
 }