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Fix for files > 2Gb, one from Kirk McKusick via OpenBSD and one similar from me.

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This commit is contained in:
bouyer 1998-10-12 09:57:48 +00:00
parent b894c055c6
commit 91ce6daac5
1 changed files with 3 additions and 3 deletions
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6
sys/kern/vfs_cluster.c
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@ -1,4 +1,4 @@
/* $NetBSD: vfs_cluster.c,v 1.18 1998/08/18 06:29:31 thorpej Exp $ */
/* $NetBSD: vfs_cluster.c,v 1.19 1998/10/12 09:57:48 bouyer Exp $ */
/*-
* Copyright (c) 1993
@ -305,7 +305,7 @@ cluster_rbuild(vp, filesize, bp, lbn, blkno, size, run, flags)
panic("cluster_rbuild: size %ld != filesize %ld\n",
size, vp->v_mount->mnt_stat.f_iosize);
#endif
if (size * (lbn + run + 1) > filesize)
if ((u_quad_t)size * (u_quad_t)(lbn + run + 1) > filesize)
--run;
if (run == 0) {
if (!bp) {
@ -532,7 +532,7 @@ cluster_write(bp, filesize)
*/
cursize = vp->v_lastw - vp->v_cstart + 1;
if (!doreallocblks ||
(lbn + 1) * bp->b_bcount != filesize ||
(u_quad_t)(lbn + 1) * bp->b_bcount != filesize ||
lbn != vp->v_lastw + 1 || vp->v_clen <= cursize) {
cluster_wbuild(vp, NULL, bp->b_bcount,
vp->v_cstart, cursize, lbn);