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never open rumpblk backend with O_TRUNC 

XXX: the rumpuser_open interface needs a beating
This commit is contained in:
pooka 2011-02-02 15:55:22 +00:00
parent f9d8cc1a37
commit 9cf08a1e73
1 changed files with 3 additions and 2 deletions
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5
sys/rump/librump/rumpvfs/rumpblk.c
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@ -1,4 +1,4 @@
/* $NetBSD: rumpblk.c,v 1.42 2010/09/06 18:03:57 pooka Exp $ */
/* $NetBSD: rumpblk.c,v 1.43 2011/02/02 15:55:22 pooka Exp $ */
/*
* Copyright (c) 2009 Antti Kantee. All Rights Reserved.
@ -52,7 +52,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: rumpblk.c,v 1.42 2010/09/06 18:03:57 pooka Exp $");
__KERNEL_RCSID(0, "$NetBSD: rumpblk.c,v 1.43 2011/02/02 15:55:22 pooka Exp $");
#include <sys/param.h>
#include <sys/buf.h>
@ -488,6 +488,7 @@ rumpblk_open(dev_t dev, int flag, int fmt, struct lwp *l)
if (rblk->rblk_fd != -1)
return 0; /* XXX: refcount, open mode */
flag &= ~O_TRUNC;
fd = rumpuser_open(rblk->rblk_path, OFLAGS(flag), &error);
if (error)
return error;