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fix recent bug: writable images were not mapped with MAP_SHARED

This commit is contained in:
pooka 2009-03-23 10:26:49 +00:00
parent 1297dd791c
commit ddeb7494ff
1 changed files with 5 additions and 3 deletions
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8
sys/rump/librump/rumpvfs/rumpblk.c
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@ -1,4 +1,4 @@
/* $NetBSD: rumpblk.c,v 1.11 2009/03/22 09:51:05 pooka Exp $ */
/* $NetBSD: rumpblk.c,v 1.12 2009/03/23 10:26:49 pooka Exp $ */
/*
* Copyright (c) 2009 Antti Kantee. All Rights Reserved.
@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: rumpblk.c,v 1.11 2009/03/22 09:51:05 pooka Exp $");
__KERNEL_RCSID(0, "$NetBSD: rumpblk.c,v 1.12 2009/03/23 10:26:49 pooka Exp $");
#include <sys/param.h>
#include <sys/buf.h>
@ -181,8 +181,10 @@ rumpblk_open(dev_t dev, int flag, int fmt, struct lwp *l)
mmflags = 0;
if (flag & FREAD)
mmflags |= RUMPUSER_FILEMMAP_READ;
if (flag & FWRITE)
if (flag & FWRITE) {
mmflags |= RUMPUSER_FILEMMAP_WRITE;
mmflags |= RUMPUSER_FILEMMAP_SHARED;
}
mem = rumpuser_filemmap(fd, 0, fsize, mmflags, &error);
}