New spa_misc functions for anyraid

Sponsored-by: Eshtek, creators of HexOS
Sponsored-by: Klara, Inc.

Author: Paul Dagnelie

include/sys/spa.h

@@ -1079,9 +1079,12 @@ extern uint64_t spa_last_synced_txg(spa_t *spa);
 extern uint64_t spa_first_txg(spa_t *spa);
 extern uint64_t spa_syncing_txg(spa_t *spa);
 extern uint64_t spa_final_dirty_txg(spa_t *spa);
+extern uint64_t spa_load_max_txg(spa_t *spa);
+extern uint64_t spa_current_txg(spa_t *spa);
 extern uint64_t spa_version(spa_t *spa);
 extern pool_state_t spa_state(spa_t *spa);
 extern spa_load_state_t spa_load_state(spa_t *spa);
+extern uint64_t spa_load_txg(spa_t *spa);
 extern uint64_t spa_freeze_txg(spa_t *spa);
 extern uint64_t spa_get_worst_case_asize(spa_t *spa, uint64_t lsize);
 extern uint64_t spa_get_dspace(spa_t *spa);
@@ -1155,7 +1158,9 @@ extern boolean_t spa_has_pending_synctask(spa_t *spa);
 extern int spa_maxblocksize(spa_t *spa);
 extern int spa_maxdnodesize(spa_t *spa);
 extern boolean_t spa_has_checkpoint(spa_t *spa);
+extern uint64_t spa_checkpoint_txg(spa_t *spa);
 extern boolean_t spa_importing_readonly_checkpoint(spa_t *spa);
+extern boolean_t spa_importing_checkpoint(spa_t *spa);
 extern boolean_t spa_suspend_async_destroy(spa_t *spa);
 extern uint64_t spa_min_claim_txg(spa_t *spa);
 extern boolean_t zfs_dva_valid(spa_t *spa, const dva_t *dva,

module/zfs/spa_misc.c

@@ -1821,6 +1821,18 @@ spa_syncing_txg(spa_t *spa)
 	return (spa->spa_syncing_txg);
 }
 
+uint64_t
+spa_load_max_txg(spa_t *spa)
+{
+	return (spa->spa_load_max_txg);
+}
+
+uint64_t
+spa_current_txg(spa_t *spa)
+{
+	return (spa->spa_uberblock.ub_txg);
+}
+
 /*
  * Return the last txg where data can be dirtied. The final txgs
  * will be used to just clear out any deferred frees that remain.
@@ -2256,6 +2268,12 @@ spa_dirty_data(spa_t *spa)
 	return (spa->spa_dsl_pool->dp_dirty_total);
 }
 
+uint64_t
+spa_load_txg(spa_t *spa)
+{
+	return (spa->spa_load_txg);
+}
+
 /*
  * ==========================================================================
  * SPA Import Progress Routines
@@ -2975,13 +2993,26 @@ spa_has_checkpoint(spa_t *spa)
 	return (spa->spa_checkpoint_txg != 0);
 }
 
+uint64_t
+spa_checkpoint_txg(spa_t *spa)
+{
+	return (spa->spa_checkpoint_txg);
+}
+
 boolean_t
 spa_importing_readonly_checkpoint(spa_t *spa)
 {
 	return ((spa->spa_import_flags & ZFS_IMPORT_CHECKPOINT) &&
 	    spa->spa_mode == SPA_MODE_READ);
 }
 
+boolean_t
+spa_importing_checkpoint(spa_t *spa)
+{
+	return ((spa->spa_import_flags & ZFS_IMPORT_CHECKPOINT) &&
+	    spa->spa_uberblock.ub_checkpoint_txg != 0);
+}
+
 uint64_t
 spa_min_claim_txg(spa_t *spa)
 {
@@ -3081,9 +3112,12 @@ EXPORT_SYMBOL(spa_guid);
 EXPORT_SYMBOL(spa_last_synced_txg);
 EXPORT_SYMBOL(spa_first_txg);
 EXPORT_SYMBOL(spa_syncing_txg);
+EXPORT_SYMBOL(spa_load_max_txg);
+EXPORT_SYMBOL(spa_current_txg);
 EXPORT_SYMBOL(spa_version);
 EXPORT_SYMBOL(spa_state);
 EXPORT_SYMBOL(spa_load_state);
+EXPORT_SYMBOL(spa_load_txg);
 EXPORT_SYMBOL(spa_freeze_txg);
 EXPORT_SYMBOL(spa_get_dspace);
 EXPORT_SYMBOL(spa_update_dspace);
@@ -3126,8 +3160,10 @@ EXPORT_SYMBOL(spa_missing_tvds_allowed);
 EXPORT_SYMBOL(spa_set_missing_tvds);
 EXPORT_SYMBOL(spa_state_to_name);
 EXPORT_SYMBOL(spa_importing_readonly_checkpoint);
+EXPORT_SYMBOL(spa_importing_checkpoint);
 EXPORT_SYMBOL(spa_min_claim_txg);
 EXPORT_SYMBOL(spa_suspend_async_destroy);
+EXPORT_SYMBOL(spa_checkpoint_txg);
 EXPORT_SYMBOL(spa_has_checkpoint);
 EXPORT_SYMBOL(spa_top_vdevs_spacemap_addressable);