box/txn: rename txn_write to txn_commit_async

To reflect the fact tha we're don't waiting for
transaction to complete but rely on completion
callback.

Acked-by: Konstantin Osipov <kostja.osipov@gmail.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>

src/box/applier.cc

@@ -805,7 +805,7 @@ applier_apply_tx(struct stailq *rows)
 	trigger_create(on_commit, applier_txn_commit_cb, NULL, NULL);
 	txn_on_commit(txn, on_commit);
 
-	if (txn_write(txn) < 0)
+	if (txn_commit_async(txn) < 0)
 		goto fail;
 
 	/* Transaction was sent to journal so promote vclock. */

src/box/txn.c

@@ -558,7 +558,7 @@ txn_prepare(struct txn *txn)
 }
 
 int
-txn_write(struct txn *txn)
+txn_commit_async(struct txn *txn)
 {
 	if (txn_prepare(txn) != 0) {
 		txn_rollback(txn);
@@ -586,7 +586,7 @@ txn_commit(struct txn *txn)
 {
 	txn->fiber = fiber();
 
-	if (txn_write(txn) != 0)
+	if (txn_commit_async(txn) != 0)
 		return -1;
 	/*
 	 * In case of non-yielding journal the transaction could already

src/box/txn.h

@@ -300,7 +300,7 @@ txn_rollback(struct txn *txn);
  * freed.
  */
 int
-txn_write(struct txn *txn);
+txn_commit_async(struct txn *txn);
 
 /**
  * Most txns don't have triggers, and txn objects