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authorVolker Lendecke <vlendec@samba.org>2007-05-27 09:22:11 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 12:22:50 -0500
commitd5daef32b226b373185f4f18298a2872cd9a7784 (patch)
treef4bb13ed0a389fd32b7df26261f99a6a63a213b6 /source3/lib
parenta32d8a39097c7de3f1b90a8b59434710b03776ff (diff)
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r23161: Add TDB_VOLATILE as open_flag to activate the per-hashchain dead record
optimization. (This used to be commit 945f73fa39ba6f2b637379ac20d52b4d0306d77f)
Diffstat (limited to 'source3/lib')
-rw-r--r--source3/lib/tdb/common/open.c4
-rw-r--r--source3/lib/tdb/include/tdb.h1
2 files changed, 5 insertions, 0 deletions
diff --git a/source3/lib/tdb/common/open.c b/source3/lib/tdb/common/open.c
index c7fd3f6656..798395cba2 100644
--- a/source3/lib/tdb/common/open.c
+++ b/source3/lib/tdb/common/open.c
@@ -165,6 +165,10 @@ struct tdb_context *tdb_open_ex(const char *name, int hash_size, int tdb_flags,
tdb->page_size = 0x2000;
}
+ if (open_flags & TDB_VOLATILE) {
+ tdb->max_dead_records = 5;
+ }
+
if ((open_flags & O_ACCMODE) == O_WRONLY) {
TDB_LOG((tdb, TDB_DEBUG_ERROR, "tdb_open_ex: can't open tdb %s write-only\n",
name));
diff --git a/source3/lib/tdb/include/tdb.h b/source3/lib/tdb/include/tdb.h
index dafe2a130e..3268a3bfa0 100644
--- a/source3/lib/tdb/include/tdb.h
+++ b/source3/lib/tdb/include/tdb.h
@@ -47,6 +47,7 @@ extern "C" {
#define TDB_BIGENDIAN 32 /* header is big-endian (internal use) */
#define TDB_NOSYNC 64 /* don't use synchronous transactions */
#define TDB_SEQNUM 128 /* maintain a sequence number */
+#define TDB_VOLATILE 256 /* Activate the per-hashchain freelist, default 5 */
#define TDB_ERRCODE(code, ret) ((tdb->ecode = (code)), ret)