isync

commit 29a56e2dc4d5d149982917452b1c9fd419664cbf
parent 8d5bd62537ee8c5f68b311fe8c3d8058c522776c
Author: Oswald Buddenhagen <ossi@users.sf.net>
Date:   Sat,  2 Nov 2013 21:41:48 +0100

don't fsync after logging every TUID

as we now don't actually start propagating new messages until all TUIDs
have been generated, it's sufficient to sync just once. this makes it
a cheap operation, so we can do it at SYNC_NORMAL level already.

Diffstat:
M
src/sync.c
 | 
4
++--

1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/sync.c b/src/sync.c
@@ -1331,8 +1331,6 @@ box_loaded( int sts, void *aux )
 							srec->tuid[t1] = t2 < 26 ? t2 + 'A' : t2 < 52 ? t2 + 'a' - 26 : t2 < 62 ? t2 + '0' - 52 : t2 == 62 ? '+' : '/';
 						}
 						Fprintf( svars->jfp, "# %d %d %." stringify(TUIDL) "s\n", srec->uid[M], srec->uid[S], srec->tuid );
-						if (FSyncLevel >= FSYNC_THOROUGH)
-							fdatasync( fileno( svars->jfp ) );
 						debug( "  -> %sing message, TUID %." stringify(TUIDL) "s\n", str_hl[t], srec->tuid );
 					} else {
 						if (srec->uid[t] == -1) {
@@ -1513,6 +1511,8 @@ box_loaded( int sts, void *aux )
 	}
 
 	debug( "propagating new messages\n" );
+	if (FSyncLevel >= FSYNC_NORMAL)
+		fdatasync( fileno( svars->jfp ) );
 	for (t = 0; t < 2; t++) {
 		Fprintf( svars->jfp, "%c %d\n", "{}"[t], svars->ctx[t]->uidnext );
 		for (tmsg = svars->ctx[1-t]->msgs; tmsg; tmsg = tmsg->next) {