ISO images larger than 2G via vn(4)?

YONETANI Tomokazu qhwt+dfly at les.ath.cx
Sun Jan 21 02:44:42 PST 2007


I think I fixed this problem in vn.c rev 1.30.  If you use vn(4)
on your non-production system(>1.6-RELEASE), please try attached
patch to make sure that I didn't break anything else.

Thanks.
--- vn.c.orig	2007-01-21 19:41:35.000000000 +0900
+++ vn.c	2007-01-21 19:37:29.000000000 +0900
@@ -39,7 +39,7 @@
  *
  *	from: @(#)vn.c	8.6 (Berkeley) 4/1/94
  * $FreeBSD: src/sys/dev/vn/vn.c,v 1.105.2.4 2001/11/18 07:11:00 dillon Exp $
- * $DragonFly: src/sys/dev/disk/vn/vn.c,v 1.29 2006/12/22 23:26:17 swildner Exp $
+ * $DragonFly: src/sys/dev/disk/vn/vn.c,v 1.30 2007/01/21 10:37:29 y0netan1 Exp $
  */
 
 /*
@@ -344,7 +344,7 @@
 			bp->b_bcount = (vn->sc_size - pbn) * vn->sc_secsize;
 		}
 		nbio = push_bio(bio);
-		nbio->bio_offset = pbn * vn->sc_secsize;
+		nbio->bio_offset = (off_t)pbn * vn->sc_secsize;
 	}
 
 	/*




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