[src/trunk]: src/sys/miscfs/genfs Use B_ASYNC in the !PGO_SYNCIO case. Gets b...

[fvdl <fvdl%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/3185fbbaf831
branches:  trunk
changeset: 538488:3185fbbaf831
user:      fvdl <fvdl%NetBSD.org@localhost>
date:      Mon Oct 21 15:21:35 2002 +0000

description:
Use B_ASYNC in the !PGO_SYNCIO case. Gets back most, if not all, NFS
read throughput performance lost since the introduction of UBC. Spotted
by YAMAMOTO Takashi, many thanks to him.

diffstat:

 sys/miscfs/genfs/genfs_vnops.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r ebe73b3b3441 -r 3185fbbaf831 sys/miscfs/genfs/genfs_vnops.c
--- a/sys/miscfs/genfs/genfs_vnops.c    Mon Oct 21 14:45:19 2002 +0000
+++ b/sys/miscfs/genfs/genfs_vnops.c    Mon Oct 21 15:21:35 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: genfs_vnops.c,v 1.64 2002/05/29 11:04:40 enami Exp $   */
+/*     $NetBSD: genfs_vnops.c,v 1.65 2002/10/21 15:21:35 fvdl Exp $    */
 
 /*
  * Copyright (c) 1982, 1986, 1989, 1993
@@ -35,7 +35,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: genfs_vnops.c,v 1.64 2002/05/29 11:04:40 enami Exp $");
+__KERNEL_RCSID(0, "$NetBSD: genfs_vnops.c,v 1.65 2002/10/21 15:21:35 fvdl Exp $");
 
 #include "opt_nfsserver.h"
 
@@ -651,7 +651,7 @@
        mbp->b_bufsize = totalbytes;
        mbp->b_data = (void *)kva;
        mbp->b_resid = mbp->b_bcount = bytes;
-       mbp->b_flags = B_BUSY|B_READ| (async ? B_CALL : 0);
+       mbp->b_flags = B_BUSY|B_READ| (async ? B_CALL|B_ASYNC : 0);
        mbp->b_iodone = (async ? uvm_aio_biodone : 0);
        mbp->b_vp = vp;
        LIST_INIT(&mbp->b_dep);