Illumos #3086: unnecessarily setting DS_FLAG_INCONSISTENT on async

3086 unnecessarily setting DS_FLAG_INCONSISTENT on async
destroyed datasets
Reviewed by: Christopher Siden <[email protected]>
Approved by: Eric Schrock <[email protected]>

References:
  illumos/illumos-gate@ce636f8b38e8c9ff484e880d9abb27251a882860
  illumos changeset: 13776:cd512c80fd75
  https://www.illumos.org/issues/3086

Ported-by: Brian Behlendorf <[email protected]>

4 files changed, 14 insertions, 2 deletions

diff --git a/include/sys/dsl_pool.h b/include/sys/dsl_pool.h
index 16fb98669..61c91f06c 100644
--- a/include/sys/dsl_pool.h
+++ b/include/sys/dsl_pool.h
@@ -90,7 +90,6 @@ typedef struct dsl_pool {
 
 	/* No lock needed - sync context only */
 	blkptr_t dp_meta_rootbp;
-	list_t dp_synced_datasets;
 	hrtime_t dp_read_overhead;
 	uint64_t dp_throughput; /* bytes per millisec */
 	uint64_t dp_write_limit;
@@ -104,6 +103,9 @@ typedef struct dsl_pool {
 	kmutex_t dp_lock;
 	uint64_t dp_space_towrite[TXG_SIZE];
 	uint64_t dp_tempreserved[TXG_SIZE];
+	uint64_t dp_mos_used_delta;
+	uint64_t dp_mos_compressed_delta;
+	uint64_t dp_mos_uncompressed_delta;
 	uint64_t dp_txg_history_size;
 	list_t dp_txg_history;
 
@@ -111,6 +113,7 @@ typedef struct dsl_pool {
 	/* Has its own locking */
 	tx_state_t dp_tx;
 	txg_list_t dp_dirty_datasets;
+	txg_list_t dp_dirty_zilogs;
 	txg_list_t dp_dirty_dirs;
 	txg_list_t dp_sync_tasks;
 
@@ -150,6 +153,8 @@ int dsl_read_nolock(zio_t *pio, spa_t *spa, const blkptr_t *bpp,
 void dsl_pool_create_origin(dsl_pool_t *dp, dmu_tx_t *tx);
 void dsl_pool_upgrade_clones(dsl_pool_t *dp, dmu_tx_t *tx);
 void dsl_pool_upgrade_dir_clones(dsl_pool_t *dp, dmu_tx_t *tx);
+void dsl_pool_mos_diduse_space(dsl_pool_t *dp,
+    int64_t used, int64_t comp, int64_t uncomp);
 
 taskq_t *dsl_pool_iput_taskq(dsl_pool_t *dp);
 
diff --git a/include/sys/txg.h b/include/sys/txg.h
index 2f87d747c..f9d6dd421 100644
--- a/include/sys/txg.h
+++ b/include/sys/txg.h
@@ -22,6 +22,9 @@
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
+/*
+ * Copyright (c) 2012 by Delphix. All rights reserved.
+ */
 
 #ifndef _SYS_TXG_H
 #define	_SYS_TXG_H
@@ -121,7 +124,7 @@ extern void txg_wait_callbacks(struct dsl_pool *dp);
 
 extern void txg_list_create(txg_list_t *tl, size_t offset);
 extern void txg_list_destroy(txg_list_t *tl);
-extern int txg_list_empty(txg_list_t *tl, uint64_t txg);
+extern boolean_t txg_list_empty(txg_list_t *tl, uint64_t txg);
 extern int txg_list_add(txg_list_t *tl, void *p, uint64_t txg);
 extern int txg_list_add_tail(txg_list_t *tl, void *p, uint64_t txg);
 extern void *txg_list_remove(txg_list_t *tl, uint64_t txg);
diff --git a/include/sys/zil.h b/include/sys/zil.h
index c583887cd..f786f0c9f 100644
--- a/include/sys/zil.h
+++ b/include/sys/zil.h
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
  */
 
 /* Portions Copyright 2010 Robert Milkowski */
@@ -454,6 +455,7 @@ extern void	zil_replay(objset_t *os, void *arg,
     zil_replay_func_t *replay_func[TX_MAX_TYPE]);
 extern boolean_t zil_replaying(zilog_t *zilog, dmu_tx_t *tx);
 extern void	zil_destroy(zilog_t *zilog, boolean_t keep_first);
+extern void	zil_destroy_sync(zilog_t *zilog, dmu_tx_t *tx);
 extern void	zil_rollback_destroy(zilog_t *zilog, dmu_tx_t *tx);
 
 extern itx_t	*zil_itx_create(uint64_t txtype, size_t lrsize);
diff --git a/include/sys/zil_impl.h b/include/sys/zil_impl.h
index 6c37c1ac2..f5b69b7ed 100644
--- a/include/sys/zil_impl.h
+++ b/include/sys/zil_impl.h
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
  */
 
 /* Portions Copyright 2010 Robert Milkowski */
@@ -131,6 +132,7 @@ struct zilog {
 	zil_header_t	zl_old_header;	/* debugging aid */
 	uint_t		zl_prev_blks[ZIL_PREV_BLKS]; /* size - sector rounded */
 	uint_t		zl_prev_rotor;	/* rotor for zl_prev[] */
+	txg_node_t	zl_dirty_link;	/* protected by dp_dirty_zilogs list */
 };
 
 typedef struct zil_bp_node {