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Added ldbm flush on write code which uses slapd.conf option.

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This commit is contained in:
Kurt Zeilenga 1998-08-19 00:10:02 +00:00
parent 05c63ed421
commit 49d40a26f8
5 changed files with 22 additions and 15 deletions
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1
servers/slapd/back-ldbm/back-ldbm.h
View File

@ -102,6 +102,7 @@ struct ldbminfo {
struct cache li_cache;
Avlnode *li_attrs;
int li_dbcachesize;
int li_flush_wrt;
struct dbcache li_dbcache[MAXDBCACHE];
pthread_mutex_t li_dbcache_mutex;
pthread_cond_t li_dbcache_cv;

4
servers/slapd/back-ldbm/config.c
View File

@ -77,6 +77,10 @@ ldbm_back_config(
}
li->li_dbcachesize = atoi( argv[1] );
/* flush on writes */
} else if ( strcasecmp( argv[0], "flushwrites" ) == 0 ) {
li->li_flush_wrt = 1;
/* anything else */
} else {
fprintf( stderr,

12
servers/slapd/back-ldbm/dn2id.c
View File

@ -20,9 +20,10 @@ dn2id_add(
ID id
)
{
int rc;
int rc, flags;
struct dbcache *db;
Datum key, data;
struct ldbminfo *li = (struct ldbminfo *) be->be_private;
Debug( LDAP_DEBUG_TRACE, "=> dn2id_add( \"%s\", %ld )\n", dn, id, 0 );
@ -41,11 +42,10 @@ dn2id_add(
data.dptr = (char *) &id;
data.dsize = sizeof(ID);
#ifdef LDBM_PESSIMISTIC
rc = ldbm_cache_store( db, key, data, LDBM_INSERT | LDBM_SYNC );
#else
rc = ldbm_cache_store( db, key, data, LDBM_INSERT );
#endif
flags = LDBM_INSERT;
if ( li->li_flush_wrt ) flags |= LDBM_SYNC;
rc = ldbm_cache_store( db, key, data, flags );
free( dn );
ldbm_cache_close( be, db );

8
servers/slapd/back-ldbm/id2entry.c
View File

@ -20,7 +20,7 @@ id2entry_add( Backend *be, Entry *e )
struct ldbminfo *li = (struct ldbminfo *) be->be_private;
struct dbcache *db;
Datum key, data;
int len, rc;
int len, rc, flags;
Debug( LDAP_DEBUG_TRACE, "=> id2entry_add( %d, \"%s\" )\n", e->e_id,
e->e_dn, 0 );
@ -39,8 +39,10 @@ id2entry_add( Backend *be, Entry *e )
data.dptr = entry2str( e, &len, 1 );
data.dsize = len + 1;
/* store it - LDBM_SYNC ensures id2entry is always consistent */
rc = ldbm_cache_store( db, key, data, LDBM_REPLACE|LDBM_SYNC );
/* store it */
flags = LDBM_REPLACE;
if ( li->li_flush_wrt ) flags != LDBM_SYNC;
rc = ldbm_cache_store( db, key, data, flags );
pthread_mutex_unlock( &entry2str_mutex );

12
servers/slapd/back-ldbm/idl.c
View File

@ -163,19 +163,19 @@ idl_store(
IDList *idl
)
{
int rc;
int rc, flags;
Datum data;
struct ldbminfo *li = (struct ldbminfo *) be->be_private;
/* Debug( LDAP_DEBUG_TRACE, "=> idl_store\n", 0, 0, 0 ); */
data.dptr = (char *) idl;
data.dsize = (2 + idl->b_nmax) * sizeof(ID);
flags = LDBM_REPLACE;
if( li->li_flush_wrt ) flags |= LDBM_SYNC;
#ifdef LDBM_PESSIMISTIC
rc = ldbm_cache_store( db, key, data, LDBM_REPLACE | LDBM_SYNC );
#else
rc = ldbm_cache_store( db, key, data, LDBM_REPLACE );
#endif
rc = ldbm_cache_store( db, key, data, flags );
/* Debug( LDAP_DEBUG_TRACE, "<= idl_store %d\n", rc, 0, 0 ); */
return( rc );