From: Bob Campbell <bobcampbell@catalyst.net.nz>
Date: Wed, 29 Jun 2016 21:51:23 +0000 (+1200)
Subject: tdb: avoid many fcntl calls when incrementing seqnum
X-Git-Tag: tdb-1.3.10~564
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7700ee810b2cf1766849efbfe40be15f2b43c934;p=thirdparty%2Fsamba.git

tdb: avoid many fcntl calls when incrementing seqnum

Signed-off-by: Bob Campbell <bobcampbell@catalyst.net.nz>
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Pair-programmed-with: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sun Jul  3 18:11:30 CEST 2016 on sn-devel-144
---

diff --git a/lib/tdb/common/tdb.c b/lib/tdb/common/tdb.c
index 9885d8cfc9d..dd936801539 100644
--- a/lib/tdb/common/tdb.c
+++ b/lib/tdb/common/tdb.c
@@ -59,6 +59,11 @@ static void tdb_increment_seqnum(struct tdb_context *tdb)
 		return;
 	}
 
+	if (tdb->transaction != NULL) {
+		tdb_increment_seqnum_nonblock(tdb);
+		return;
+	}
+
 	if (tdb_nest_lock(tdb, TDB_SEQNUM_OFS, F_WRLCK,
 			  TDB_LOCK_WAIT|TDB_LOCK_PROBE) != 0) {
 		return;