Remove unneeded boi_locker field

servers/slapd/back-bdb/add.c

@@ -174,7 +174,6 @@ retry:	/* transaction retry */
 
 	opinfo.boi_bdb = op->o_bd;
 	opinfo.boi_txn = ltid;
-	opinfo.boi_locker = locker;
 	opinfo.boi_err = 0;
 	opinfo.boi_acl_cache = op->o_do_not_cache;
 	op->o_private = &opinfo;

servers/slapd/back-bdb/back-bdb.h

@@ -269,7 +269,6 @@ struct bdb_lock_info {
 struct bdb_op_info {
 	BackendDB*	boi_bdb;
 	DB_TXN*		boi_txn;
-	BDB_LOCKER	boi_locker;
 	u_int32_t	boi_err;
 	int		boi_acl_cache;
 	struct bdb_lock_info *boi_locks;	/* used when no txn */

servers/slapd/back-bdb/delete.c

@@ -157,7 +157,6 @@ retry:	/* transaction retry */
 
 	opinfo.boi_bdb = op->o_bd;
 	opinfo.boi_txn = ltid;
-	opinfo.boi_locker = locker;
 	opinfo.boi_err = 0;
 	opinfo.boi_acl_cache = op->o_do_not_cache;
 	op->o_private = &opinfo;

servers/slapd/back-bdb/id2entry.c

@@ -331,12 +331,11 @@ int bdb_entry_get(
 	if( op ) boi = (struct bdb_op_info *) op->o_private;
 	if( boi != NULL && op->o_bd->be_private == boi->boi_bdb->be_private ) {
 		txn = boi->boi_txn;
-		locker = boi->boi_locker;
 	}
 
 	if ( txn != NULL ) {
 		locker = TXN_ID ( txn );
-	} else if ( !locker ) {
+	} else {
 		rc = LOCK_ID ( bdb->bi_dbenv, &locker );
 		free_lock_id = 1;
 		switch(rc) {

servers/slapd/back-bdb/modify.c

@@ -441,7 +441,6 @@ retry:	/* transaction retry */
 
 	opinfo.boi_bdb = op->o_bd;
 	opinfo.boi_txn = ltid;
-	opinfo.boi_locker = locker;
 	opinfo.boi_err = 0;
 	opinfo.boi_acl_cache = op->o_do_not_cache;
 	op->o_private = &opinfo;

servers/slapd/back-bdb/modrdn.c

@@ -167,7 +167,6 @@ retry:	/* transaction retry */
 
 	opinfo.boi_bdb = op->o_bd;
 	opinfo.boi_txn = ltid;
-	opinfo.boi_locker = locker;
 	opinfo.boi_err = 0;
 	opinfo.boi_acl_cache = op->o_do_not_cache;
 	op->o_private = &opinfo;