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vlockstatus: return LK_EXCLOTHER as appropriate, for LFS. XXX

This commit is contained in:
ad 2008-01-30 14:53:41 +00:00
parent 7356aff6af
commit 4df5af489b
1 changed files with 8 additions and 2 deletions
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10
sys/kern/vfs_subr.c
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@ -1,4 +1,4 @@
/* $NetBSD: vfs_subr.c,v 1.328 2008/01/30 12:33:45 ad Exp $ */ /* $NetBSD: vfs_subr.c,v 1.329 2008/01/30 14:53:41 ad Exp $ */
/*- /*-
* Copyright (c) 1997, 1998, 2004, 2005, 2007, 2008 The NetBSD Foundation, Inc. * Copyright (c) 1997, 1998, 2004, 2005, 2007, 2008 The NetBSD Foundation, Inc.
@ -82,12 +82,14 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: vfs_subr.c,v 1.328 2008/01/30 12:33:45 ad Exp $"); __KERNEL_RCSID(0, "$NetBSD: vfs_subr.c,v 1.329 2008/01/30 14:53:41 ad Exp $");
#include "opt_ddb.h" #include "opt_ddb.h"
#include "opt_compat_netbsd.h" #include "opt_compat_netbsd.h"
#include "opt_compat_43.h" #include "opt_compat_43.h"
#define __RWLOCK_PRIVATE /* XXX LFS */
#include <sys/param.h> #include <sys/param.h>
#include <sys/systm.h> #include <sys/systm.h>
#include <sys/proc.h> #include <sys/proc.h>
@ -1962,5 +1964,9 @@ vlockstatus(struct vnlock *vl)
if (rw_read_held(&vl->vl_lock)) { if (rw_read_held(&vl->vl_lock)) {
return LK_SHARED; return LK_SHARED;
} }
if ((vl->vl_lock.rw_owner & RW_WRITE_LOCKED) != 0) {
/* XXX LFS */
return LK_EXCLOTHER;
}
return 0; return 0;
} }