[src/chs-ubc2]: src/sys/ufs/ffs avoid setting u_size lower in ffs_balloc(), o...

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

details:   https://anonhg.NetBSD.org/src/rev/474ace381515
branches:  chs-ubc2
changeset: 471450:474ace381515
user:      chs <chs%NetBSD.org@localhost>
date:      Fri Aug 06 12:50:04 1999 +0000

description:
avoid setting u_size lower in ffs_balloc(), otherwise we'll end up
PG_RELEASEing pages we have busy in ufs_balloc_range().

diffstat:

 sys/ufs/ffs/ffs_balloc.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (20 lines):

diff -r eca8a44ed5c5 -r 474ace381515 sys/ufs/ffs/ffs_balloc.c
--- a/sys/ufs/ffs/ffs_balloc.c  Fri Aug 06 12:47:28 1999 +0000
+++ b/sys/ufs/ffs/ffs_balloc.c  Fri Aug 06 12:50:04 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ffs_balloc.c,v 1.14.4.5 1999/07/31 18:47:38 chs Exp $  */
+/*     $NetBSD: ffs_balloc.c,v 1.14.4.6 1999/08/06 12:50:04 chs Exp $  */
 
 /*
  * Copyright (c) 1982, 1986, 1989, 1993
@@ -109,7 +109,9 @@
 
                if (ip->i_ffs_size < off + bsize) {
                        ip->i_ffs_size = off + bsize;
-                       uvm_vnp_setsize(vp, ip->i_ffs_size);
+                       if (vp->v_uvm.u_size < ip->i_ffs_size) {
+                               uvm_vnp_setsize(vp, ip->i_ffs_size);
+                       }
                }
 
                off += bsize;