2 files changed, 13 insertions, 10 deletions

diff --git a/include/sys/dmu.h b/include/sys/dmu.h
index 61c02e8a7..ffc070726 100644
--- a/include/sys/dmu.h
+++ b/include/sys/dmu.h
@@ -245,11 +245,14 @@ typedef enum dmu_object_type {
 	DMU_OTN_ZAP_ENC_METADATA = DMU_OT(DMU_BSWAP_ZAP, B_TRUE, B_TRUE),
 } dmu_object_type_t;
 
-typedef enum txg_how {
-	TXG_WAIT = 1,
-	TXG_NOWAIT,
-	TXG_WAITED,
-} txg_how_t;
+/*
+ * These flags are intended to be used to specify the "txg_how"
+ * parameter when calling the dmu_tx_assign() function. See the comment
+ * above dmu_tx_assign() for more details on the meaning of these flags.
+ */
+#define	TXG_NOWAIT	(0ULL)
+#define	TXG_WAIT	(1ULL<<0)
+#define	TXG_NOTHROTTLE	(1ULL<<1)
 
 void byteswap_uint64_array(void *buf, size_t size);
 void byteswap_uint32_array(void *buf, size_t size);
@@ -729,7 +732,7 @@ void dmu_tx_hold_spill(dmu_tx_t *tx, uint64_t object);
 void dmu_tx_hold_sa(dmu_tx_t *tx, struct sa_handle *hdl, boolean_t may_grow);
 void dmu_tx_hold_sa_create(dmu_tx_t *tx, int total_size);
 void dmu_tx_abort(dmu_tx_t *tx);
-int dmu_tx_assign(dmu_tx_t *tx, enum txg_how txg_how);
+int dmu_tx_assign(dmu_tx_t *tx, uint64_t txg_how);
 void dmu_tx_wait(dmu_tx_t *tx);
 void dmu_tx_commit(dmu_tx_t *tx);
 void dmu_tx_mark_netfree(dmu_tx_t *tx);
diff --git a/include/sys/dmu_tx.h b/include/sys/dmu_tx.h
index d82a79310..74b7e1116 100644
--- a/include/sys/dmu_tx.h
+++ b/include/sys/dmu_tx.h
@@ -67,9 +67,6 @@ struct dmu_tx {
 	/* placeholder for syncing context, doesn't need specific holds */
 	boolean_t tx_anyobj;
 
-	/* has this transaction already been delayed? */
-	boolean_t tx_waited;
-
 	/* transaction is marked as being a "net free" of space */
 	boolean_t tx_netfree;
 
@@ -79,6 +76,9 @@ struct dmu_tx {
 	/* need to wait for sufficient dirty space */
 	boolean_t tx_wait_dirty;
 
+	/* has this transaction already been delayed? */
+	boolean_t tx_dirty_delayed;
+
 	int tx_err;
 };
 
@@ -138,7 +138,7 @@ extern dmu_tx_stats_t dmu_tx_stats;
  * These routines are defined in dmu.h, and are called by the user.
  */
 dmu_tx_t *dmu_tx_create(objset_t *dd);
-int dmu_tx_assign(dmu_tx_t *tx, txg_how_t txg_how);
+int dmu_tx_assign(dmu_tx_t *tx, uint64_t txg_how);
 void dmu_tx_commit(dmu_tx_t *tx);
 void dmu_tx_abort(dmu_tx_t *tx);
 uint64_t dmu_tx_get_txg(dmu_tx_t *tx);