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nfs_fhtovp: try to detect stale or invalid handles by issuing VOP_GETATTR.

This commit is contained in:
yamt 2006-09-02 13:37:52 +00:00
parent b45e7d3197
commit 8b789e8490
1 changed files with 8 additions and 3 deletions
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11
sys/nfs/nfs_vfsops.c
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@ -1,4 +1,4 @@
/* $NetBSD: nfs_vfsops.c,v 1.163 2006/09/02 12:40:58 yamt Exp $ */
/* $NetBSD: nfs_vfsops.c,v 1.164 2006/09/02 13:37:52 yamt Exp $ */
/*
* Copyright (c) 1989, 1993, 1995
@ -35,7 +35,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: nfs_vfsops.c,v 1.163 2006/09/02 12:40:58 yamt Exp $");
__KERNEL_RCSID(0, "$NetBSD: nfs_vfsops.c,v 1.164 2006/09/02 13:37:52 yamt Exp $");
#if defined(_KERNEL_OPT)
#include "opt_compat_netbsd.h"
@ -1064,6 +1064,7 @@ nfs_fhtovp(struct mount *mp, struct fid *fid, struct vnode **vpp)
size_t fhsize;
struct nfsnode *np;
int error;
struct vattr va;
fidsize = fid->fid_len;
if (fidsize < sizeof(*fid)) {
@ -1087,7 +1088,11 @@ nfs_fhtovp(struct mount *mp, struct fid *fid, struct vnode **vpp)
return error;
}
*vpp = NFSTOV(np);
return 0;
error = VOP_GETATTR(*vpp, &va, kauth_cred_get(), curlwp);
if (error != 0) {
vput(*vpp);
}
return error;
}
/* ARGSUSED */