[src/trunk]: src/sys/ufs/ufs Don't flush possibilly relocated file system blo...

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

details:   https://anonhg.NetBSD.org/src/rev/acd6b143d684
branches:  trunk
changeset: 508706:acd6b143d684
user:      enami <enami%NetBSD.org@localhost>
date:      Wed Apr 18 03:48:23 2001 +0000

description:
Don't flush possibilly relocated file system block if write is done
asynchronously.  They will be flushed later when necessary and flushing
now makes sequential write access very slow.

diffstat:

 sys/ufs/ufs/ufs_inode.c |  9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diffs (23 lines):

diff -r d7697bee1b5e -r acd6b143d684 sys/ufs/ufs/ufs_inode.c
--- a/sys/ufs/ufs/ufs_inode.c   Wed Apr 18 03:45:10 2001 +0000
+++ b/sys/ufs/ufs/ufs_inode.c   Wed Apr 18 03:48:23 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ufs_inode.c,v 1.22 2001/02/27 02:55:40 chs Exp $       */
+/*     $NetBSD: ufs_inode.c,v 1.23 2001/04/18 03:48:23 enami Exp $     */
 
 /*
  * Copyright (c) 1991, 1993
@@ -288,9 +288,10 @@
                 * We need to flush pages to the new disk locations.
                 */
 
-               (uobj->pgops->pgo_flush)(uobj, oldeof & ~(bsize - 1),
-                   MIN((oldeof + bsize) & ~(bsize - 1), neweof),
-                   PGO_CLEANIT | ((flags & B_SYNC) ? PGO_SYNCIO : 0));
+               if ((flags & B_SYNC) != 0)
+                       (*uobj->pgops->pgo_flush)(uobj, oldeof & ~(bsize - 1),
+                           MIN((oldeof + bsize) & ~(bsize - 1), neweof),
+                           PGO_CLEANIT | PGO_SYNCIO);
        }
        if (pgs2[0] != NULL) {
                uvm_page_unbusy(pgs2, npages2);