Beispiel #1
0
/*
 * nfs version 3 fsinfo rpc call
 */
int
nfs_fsinfo(struct nfsmount *nmp, struct vnode *vp, struct ucred *cred,
    struct thread *td)
{
	struct nfsv3_fsinfo *fsp;
	u_int32_t pref, max;
	caddr_t bpos, dpos;
	int error = 0, retattr;
	struct mbuf *mreq, *mrep, *md, *mb;
	u_int64_t maxfsize;
	
	nfsstats.rpccnt[NFSPROC_FSINFO]++;
	mreq = nfsm_reqhead(vp, NFSPROC_FSINFO, NFSX_FH(1));
	mb = mreq;
	bpos = mtod(mb, caddr_t);
	nfsm_fhtom(vp, 1);
	nfsm_request(vp, NFSPROC_FSINFO, td, cred);
	nfsm_postop_attr(vp, retattr);
	if (!error) {
		fsp = nfsm_dissect(struct nfsv3_fsinfo *, NFSX_V3FSINFO);
		pref = fxdr_unsigned(u_int32_t, fsp->fs_wtpref);
		mtx_lock(&nmp->nm_mtx);
		if (pref < nmp->nm_wsize && pref >= NFS_FABLKSIZE)
			nmp->nm_wsize = (pref + NFS_FABLKSIZE - 1) &
				~(NFS_FABLKSIZE - 1);
		max = fxdr_unsigned(u_int32_t, fsp->fs_wtmax);
		if (max < nmp->nm_wsize && max > 0) {
			nmp->nm_wsize = max & ~(NFS_FABLKSIZE - 1);
			if (nmp->nm_wsize == 0)
				nmp->nm_wsize = max;
		}
		pref = fxdr_unsigned(u_int32_t, fsp->fs_rtpref);
		if (pref < nmp->nm_rsize && pref >= NFS_FABLKSIZE)
			nmp->nm_rsize = (pref + NFS_FABLKSIZE - 1) &
				~(NFS_FABLKSIZE - 1);
		max = fxdr_unsigned(u_int32_t, fsp->fs_rtmax);
		if (max < nmp->nm_rsize && max > 0) {
			nmp->nm_rsize = max & ~(NFS_FABLKSIZE - 1);
			if (nmp->nm_rsize == 0)
				nmp->nm_rsize = max;
		}
		pref = fxdr_unsigned(u_int32_t, fsp->fs_dtpref);
		if (pref < nmp->nm_readdirsize && pref >= NFS_DIRBLKSIZ)
			nmp->nm_readdirsize = (pref + NFS_DIRBLKSIZ - 1) &
				~(NFS_DIRBLKSIZ - 1);
		if (max < nmp->nm_readdirsize && max > 0) {
			nmp->nm_readdirsize = max & ~(NFS_DIRBLKSIZ - 1);
			if (nmp->nm_readdirsize == 0)
				nmp->nm_readdirsize = max;
		}
		maxfsize = fxdr_hyper(&fsp->fs_maxfilesize);
		if (maxfsize > 0 && maxfsize < nmp->nm_maxfilesize)
			nmp->nm_maxfilesize = maxfsize;
		nmp->nm_mountp->mnt_stat.f_iosize = nfs_iosize(nmp);
		nmp->nm_state |= NFSSTA_GOTFSINFO;
		mtx_unlock(&nmp->nm_mtx);
	}
Beispiel #2
0
/*
 * nfs version 3 fsinfo rpc call
 */
int
nfs_fsinfo(struct nfsmount *nmp, struct vnode *vp, struct thread *td)
{
	struct nfsv3_fsinfo *fsp;
	u_int32_t pref, max;
	int error = 0, retattr;
	u_int64_t maxfsize;
	struct nfsm_info info;

	info.v3 = 1;
	nfsstats.rpccnt[NFSPROC_FSINFO]++;
	nfsm_reqhead(&info, vp, NFSPROC_FSINFO, NFSX_FH(1));
	ERROROUT(nfsm_fhtom(&info, vp));
	NEGKEEPOUT(nfsm_request(&info, vp, NFSPROC_FSINFO, td,
				nfs_vpcred(vp, ND_READ), &error));
	ERROROUT(nfsm_postop_attr(&info, vp, &retattr, NFS_LATTR_NOSHRINK));
	if (error == 0) {
		NULLOUT(fsp = nfsm_dissect(&info, NFSX_V3FSINFO));
		pref = fxdr_unsigned(u_int32_t, fsp->fs_wtpref);
		if (pref < nmp->nm_wsize && pref >= NFS_FABLKSIZE)
			nmp->nm_wsize = roundup2(pref, NFS_FABLKSIZE);
		max = fxdr_unsigned(u_int32_t, fsp->fs_wtmax);
		if (max < nmp->nm_wsize && max > 0) {
			nmp->nm_wsize = max & ~(NFS_FABLKSIZE - 1);
			if (nmp->nm_wsize == 0)
				nmp->nm_wsize = max;
		}
		pref = fxdr_unsigned(u_int32_t, fsp->fs_rtpref);
		if (pref < nmp->nm_rsize && pref >= NFS_FABLKSIZE)
			nmp->nm_rsize = roundup2(pref, NFS_FABLKSIZE);
		max = fxdr_unsigned(u_int32_t, fsp->fs_rtmax);
		if (max < nmp->nm_rsize && max > 0) {
			nmp->nm_rsize = max & ~(NFS_FABLKSIZE - 1);
			if (nmp->nm_rsize == 0)
				nmp->nm_rsize = max;
		}
		pref = fxdr_unsigned(u_int32_t, fsp->fs_dtpref);
		if (pref < nmp->nm_readdirsize && pref >= NFS_DIRBLKSIZ)
			nmp->nm_readdirsize = roundup2(pref, NFS_DIRBLKSIZ);
		if (max < nmp->nm_readdirsize && max > 0) {
			nmp->nm_readdirsize = max & ~(NFS_DIRBLKSIZ - 1);
			if (nmp->nm_readdirsize == 0)
				nmp->nm_readdirsize = max;
		}
		maxfsize = fxdr_hyper(&fsp->fs_maxfilesize);
		if (maxfsize > 0 && maxfsize < nmp->nm_maxfilesize)
			nmp->nm_maxfilesize = maxfsize;
		nmp->nm_state |= NFSSTA_GOTFSINFO;

		/*
		 * Use the smaller of rsize/wsize for the biosize.
		 */
		if (nmp->nm_rsize < nmp->nm_wsize)
			nmp->nm_mountp->mnt_stat.f_iosize = nmp->nm_rsize;
		else
			nmp->nm_mountp->mnt_stat.f_iosize = nmp->nm_wsize;
	}
	m_freem(info.mrep);
	info.mrep = NULL;
nfsmout:
	return (error);
}
Beispiel #3
0
static int
nfs_statvfs(struct mount *mp, struct statvfs *sbp, struct ucred *cred)
{
	struct vnode *vp;
	struct nfs_statfs *sfp;
	struct nfsmount *nmp = VFSTONFS(mp);
	thread_t td = curthread;
	int error = 0, retattr;
	struct nfsnode *np;
	struct nfsm_info info;

	info.mrep = NULL;
	info.v3 = (nmp->nm_flag & NFSMNT_NFSV3);
	lwkt_gettoken(&nmp->nm_token);

#ifndef nolint
	sfp = NULL;
#endif
	error = nfs_nget(mp, (nfsfh_t *)nmp->nm_fh, nmp->nm_fhsize, &np, NULL);
	if (error) {
		lwkt_reltoken(&nmp->nm_token);
		return (error);
	}
	vp = NFSTOV(np);
	/* ignore the passed cred */
	cred = crget();
	cred->cr_ngroups = 1;
	if (info.v3 && (nmp->nm_state & NFSSTA_GOTFSINFO) == 0)
		(void)nfs_fsinfo(nmp, vp, td);
	nfsstats.rpccnt[NFSPROC_FSSTAT]++;
	nfsm_reqhead(&info, vp, NFSPROC_FSSTAT, NFSX_FH(info.v3));
	ERROROUT(nfsm_fhtom(&info, vp));
	NEGKEEPOUT(nfsm_request(&info, vp, NFSPROC_FSSTAT, td, cred, &error));
	if (info.v3) {
		ERROROUT(nfsm_postop_attr(&info, vp, &retattr,
					 NFS_LATTR_NOSHRINK));
	}
	if (error) {
		if (info.mrep != NULL)
			m_freem(info.mrep);
		goto nfsmout;
	}
	NULLOUT(sfp = nfsm_dissect(&info, NFSX_STATFS(info.v3)));
	sbp->f_flag = nmp->nm_flag;
	sbp->f_owner = nmp->nm_cred->cr_ruid;

	if (info.v3) {
		sbp->f_bsize = NFS_FABLKSIZE;
		sbp->f_frsize = NFS_FABLKSIZE;
		sbp->f_blocks = (fxdr_hyper(&sfp->sf_tbytes) /
				((u_quad_t)NFS_FABLKSIZE));
		sbp->f_bfree = (fxdr_hyper(&sfp->sf_fbytes) /
				((u_quad_t)NFS_FABLKSIZE));
		sbp->f_bavail = (fxdr_hyper(&sfp->sf_abytes) /
				((u_quad_t)NFS_FABLKSIZE));
		sbp->f_files = fxdr_hyper(&sfp->sf_tfiles);
		sbp->f_ffree = fxdr_hyper(&sfp->sf_ffiles);
		sbp->f_favail = fxdr_hyper(&sfp->sf_afiles);
	} else {
		sbp->f_bsize = fxdr_unsigned(int32_t, sfp->sf_bsize);
		sbp->f_blocks = fxdr_unsigned(int32_t, sfp->sf_blocks);
		sbp->f_bfree = fxdr_unsigned(int32_t, sfp->sf_bfree);
		sbp->f_bavail = fxdr_unsigned(int32_t, sfp->sf_bavail);
		sbp->f_files = 0;
		sbp->f_ffree = 0;
		sbp->f_favail = 0;
	}
	sbp->f_syncreads = 0;
	sbp->f_syncwrites = 0;
	sbp->f_asyncreads = 0;
	sbp->f_asyncwrites = 0;
	sbp->f_type = mp->mnt_vfc->vfc_typenum;

	m_freem(info.mrep);
	info.mrep = NULL;
nfsmout:
	vput(vp);
	crfree(cred);
	lwkt_reltoken(&nmp->nm_token);
	return (error);
}
Beispiel #4
0
/*
 * nfs statfs call
 */
int
nfs_statfs(struct mount *mp, struct statfs *sbp, struct ucred *cred)
{
	struct vnode *vp;
	struct nfs_statfs *sfp;
	struct nfsmount *nmp = VFSTONFS(mp);
	thread_t td = curthread;
	int error = 0, retattr;
	struct nfsnode *np;
	u_quad_t tquad;
	struct nfsm_info info;

	info.mrep = NULL;
	info.v3 = (nmp->nm_flag & NFSMNT_NFSV3);

	lwkt_gettoken(&nmp->nm_token);

#ifndef nolint
	sfp = NULL;
#endif
	error = nfs_nget(mp, (nfsfh_t *)nmp->nm_fh, nmp->nm_fhsize, &np, NULL);
	if (error) {
		lwkt_reltoken(&nmp->nm_token);
		return (error);
	}
	vp = NFSTOV(np);
	/* ignore the passed cred */
	cred = crget();
	cred->cr_ngroups = 1;
	if (info.v3 && (nmp->nm_state & NFSSTA_GOTFSINFO) == 0)
		(void)nfs_fsinfo(nmp, vp, td);
	nfsstats.rpccnt[NFSPROC_FSSTAT]++;
	nfsm_reqhead(&info, vp, NFSPROC_FSSTAT, NFSX_FH(info.v3));
	ERROROUT(nfsm_fhtom(&info, vp));
	NEGKEEPOUT(nfsm_request(&info, vp, NFSPROC_FSSTAT, td, cred, &error));
	if (info.v3) {
		ERROROUT(nfsm_postop_attr(&info, vp, &retattr,
					 NFS_LATTR_NOSHRINK));
	}
	if (error) {
		if (info.mrep != NULL)
			m_freem(info.mrep);
		goto nfsmout;
	}
	NULLOUT(sfp = nfsm_dissect(&info, NFSX_STATFS(info.v3)));
	sbp->f_flags = nmp->nm_flag;

	if (info.v3) {
		sbp->f_bsize = NFS_FABLKSIZE;
		tquad = fxdr_hyper(&sfp->sf_tbytes);
		sbp->f_blocks = (long)(tquad / ((u_quad_t)NFS_FABLKSIZE));
		tquad = fxdr_hyper(&sfp->sf_fbytes);
		sbp->f_bfree = (long)(tquad / ((u_quad_t)NFS_FABLKSIZE));
		tquad = fxdr_hyper(&sfp->sf_abytes);
		sbp->f_bavail = (long)(tquad / ((u_quad_t)NFS_FABLKSIZE));
		sbp->f_files = (fxdr_unsigned(int32_t,
		    sfp->sf_tfiles.nfsuquad[1]) & 0x7fffffff);
		sbp->f_ffree = (fxdr_unsigned(int32_t,
		    sfp->sf_ffiles.nfsuquad[1]) & 0x7fffffff);
	} else {
		sbp->f_bsize = fxdr_unsigned(int32_t, sfp->sf_bsize);
		sbp->f_blocks = fxdr_unsigned(int32_t, sfp->sf_blocks);
		sbp->f_bfree = fxdr_unsigned(int32_t, sfp->sf_bfree);
		sbp->f_bavail = fxdr_unsigned(int32_t, sfp->sf_bavail);
		sbp->f_files = 0;
		sbp->f_ffree = 0;
	}

	/*
	 * Some values are pre-set in mnt_stat.  Note in particular f_iosize
	 * cannot be changed once the filesystem is mounted as it is used
	 * as the basis for BIOs.
	 */
	if (sbp != &mp->mnt_stat) {
		sbp->f_type = mp->mnt_vfc->vfc_typenum;
		bcopy(mp->mnt_stat.f_mntfromname, sbp->f_mntfromname, MNAMELEN);
		sbp->f_iosize = mp->mnt_stat.f_iosize;
	}
	m_freem(info.mrep);
	info.mrep = NULL;
nfsmout:
	vput(vp);
	crfree(cred);
	lwkt_reltoken(&nmp->nm_token);
	return (error);
}
Beispiel #5
0
/*
 * nfs statfs call
 */
static int
nfs_statfs(struct mount *mp, struct statfs *sbp)
{
	struct vnode *vp;
	struct thread *td;
	struct nfs_statfs *sfp;
	caddr_t bpos, dpos;
	struct nfsmount *nmp = VFSTONFS(mp);
	int error = 0, v3 = (nmp->nm_flag & NFSMNT_NFSV3), retattr;
	struct mbuf *mreq, *mrep, *md, *mb;
	struct nfsnode *np;
	u_quad_t tquad;

	td = curthread;
#ifndef nolint
	sfp = NULL;
#endif
	error = vfs_busy(mp, MBF_NOWAIT);
	if (error)
		return (error);
	error = nfs_nget(mp, (nfsfh_t *)nmp->nm_fh, nmp->nm_fhsize, &np, LK_EXCLUSIVE);
	if (error) {
		vfs_unbusy(mp);
		return (error);
	}
	vp = NFSTOV(np);
	mtx_lock(&nmp->nm_mtx);
	if (v3 && (nmp->nm_state & NFSSTA_GOTFSINFO) == 0) {
		mtx_unlock(&nmp->nm_mtx);		
		(void)nfs_fsinfo(nmp, vp, td->td_ucred, td);
	} else
		mtx_unlock(&nmp->nm_mtx);
	nfsstats.rpccnt[NFSPROC_FSSTAT]++;
	mreq = nfsm_reqhead(vp, NFSPROC_FSSTAT, NFSX_FH(v3));
	mb = mreq;
	bpos = mtod(mb, caddr_t);
	nfsm_fhtom(vp, v3);
	nfsm_request(vp, NFSPROC_FSSTAT, td, td->td_ucred);
	if (v3)
		nfsm_postop_attr(vp, retattr);
	if (error) {
		if (mrep != NULL)
			m_freem(mrep);
		goto nfsmout;
	}
	sfp = nfsm_dissect(struct nfs_statfs *, NFSX_STATFS(v3));
	mtx_lock(&nmp->nm_mtx);
	sbp->f_iosize = nfs_iosize(nmp);
	mtx_unlock(&nmp->nm_mtx);
	if (v3) {
		sbp->f_bsize = NFS_FABLKSIZE;
		tquad = fxdr_hyper(&sfp->sf_tbytes);
		sbp->f_blocks = tquad / NFS_FABLKSIZE;
		tquad = fxdr_hyper(&sfp->sf_fbytes);
		sbp->f_bfree = tquad / NFS_FABLKSIZE;
		tquad = fxdr_hyper(&sfp->sf_abytes);
		sbp->f_bavail = tquad / NFS_FABLKSIZE;
		sbp->f_files = (fxdr_unsigned(int32_t,
		    sfp->sf_tfiles.nfsuquad[1]) & 0x7fffffff);
		sbp->f_ffree = (fxdr_unsigned(int32_t,
		    sfp->sf_ffiles.nfsuquad[1]) & 0x7fffffff);
	} else {
		sbp->f_bsize = fxdr_unsigned(int32_t, sfp->sf_bsize);
		sbp->f_blocks = fxdr_unsigned(int32_t, sfp->sf_blocks);
		sbp->f_bfree = fxdr_unsigned(int32_t, sfp->sf_bfree);
		sbp->f_bavail = fxdr_unsigned(int32_t, sfp->sf_bavail);
		sbp->f_files = 0;
		sbp->f_ffree = 0;
	}
	m_freem(mrep);
nfsmout:
	vput(vp);
	vfs_unbusy(mp);
	return (error);
}
Beispiel #6
0
/*
 * nfs version 3 fsinfo rpc call
 */
int
nfs_fsinfo(struct nfsmount *nmp, struct vnode *vp, kauth_cred_t cred, struct lwp *l)
{
	struct nfsv3_fsinfo *fsp;
	char *cp;
	int32_t t1, t2;
	u_int32_t *tl, pref, xmax;
	char *bpos, *dpos, *cp2;
	int error = 0, retattr;
	struct mbuf *mreq, *mrep, *md, *mb;
	u_int64_t maxfsize;
	struct nfsnode *np = VTONFS(vp);

	nfsstats.rpccnt[NFSPROC_FSINFO]++;
	nfsm_reqhead(np, NFSPROC_FSINFO, NFSX_FH(1));
	nfsm_fhtom(np, 1);
	nfsm_request(np, NFSPROC_FSINFO, l, cred);
	nfsm_postop_attr(vp, retattr, 0);
	if (!error) {
		nfsm_dissect(fsp, struct nfsv3_fsinfo *, NFSX_V3FSINFO);
		pref = fxdr_unsigned(u_int32_t, fsp->fs_wtpref);
		if ((nmp->nm_flag & NFSMNT_WSIZE) == 0 &&
		    pref < nmp->nm_wsize && pref >= NFS_FABLKSIZE)
			nmp->nm_wsize = (pref + NFS_FABLKSIZE - 1) &
				~(NFS_FABLKSIZE - 1);
		xmax = fxdr_unsigned(u_int32_t, fsp->fs_wtmax);
		if (xmax < nmp->nm_wsize && xmax > 0) {
			nmp->nm_wsize = xmax & ~(NFS_FABLKSIZE - 1);
			if (nmp->nm_wsize == 0)
				nmp->nm_wsize = xmax;
		}
		pref = fxdr_unsigned(u_int32_t, fsp->fs_rtpref);
		if ((nmp->nm_flag & NFSMNT_RSIZE) == 0 &&
		    pref < nmp->nm_rsize && pref >= NFS_FABLKSIZE)
			nmp->nm_rsize = (pref + NFS_FABLKSIZE - 1) &
				~(NFS_FABLKSIZE - 1);
		xmax = fxdr_unsigned(u_int32_t, fsp->fs_rtmax);
		if (xmax < nmp->nm_rsize && xmax > 0) {
			nmp->nm_rsize = xmax & ~(NFS_FABLKSIZE - 1);
			if (nmp->nm_rsize == 0)
				nmp->nm_rsize = xmax;
		}
		pref = fxdr_unsigned(u_int32_t, fsp->fs_dtpref);
		if (pref < nmp->nm_readdirsize && pref >= NFS_DIRFRAGSIZ)
			nmp->nm_readdirsize = (pref + NFS_DIRFRAGSIZ - 1) &
				~(NFS_DIRFRAGSIZ - 1);
		if (xmax < nmp->nm_readdirsize && xmax > 0) {
			nmp->nm_readdirsize = xmax & ~(NFS_DIRFRAGSIZ - 1);
			if (nmp->nm_readdirsize == 0)
				nmp->nm_readdirsize = xmax;
		}
		/* XXX */
		nmp->nm_maxfilesize = (u_int64_t)0x80000000 * DEV_BSIZE - 1;
		maxfsize = fxdr_hyper(&fsp->fs_maxfilesize);
		if (maxfsize > 0 && maxfsize < nmp->nm_maxfilesize)
			nmp->nm_maxfilesize = maxfsize;
		nmp->nm_mountp->mnt_fs_bshift =
		    ffs(MIN(nmp->nm_rsize, nmp->nm_wsize)) - 1;
		nmp->nm_iflag |= NFSMNT_GOTFSINFO;
	}
	nfsm_reqdone;
	return (error);
}
Beispiel #7
0
/*
 * nfs statvfs call
 */
int
nfs_statvfs(struct mount *mp, struct statvfs *sbp)
{
	struct lwp *l = curlwp;
	struct vnode *vp;
	struct nfs_statfs *sfp;
	char *cp;
	u_int32_t *tl;
	int32_t t1, t2;
	char *bpos, *dpos, *cp2;
	struct nfsmount *nmp = VFSTONFS(mp);
	int error = 0, retattr;
#ifdef NFS_V2_ONLY
	const int v3 = 0;
#else
	int v3 = (nmp->nm_flag & NFSMNT_NFSV3);
#endif
	struct mbuf *mreq, *mrep = NULL, *md, *mb;
	kauth_cred_t cred;
	u_quad_t tquad;
	struct nfsnode *np;

#ifndef nolint
	sfp = (struct nfs_statfs *)0;
#endif
	vp = nmp->nm_vnode;
	np = VTONFS(vp);
	cred = kauth_cred_alloc();
#ifndef NFS_V2_ONLY
	if (v3 && (nmp->nm_iflag & NFSMNT_GOTFSINFO) == 0)
		(void)nfs_fsinfo(nmp, vp, cred, l);
#endif
	nfsstats.rpccnt[NFSPROC_FSSTAT]++;
	nfsm_reqhead(np, NFSPROC_FSSTAT, NFSX_FH(v3));
	nfsm_fhtom(np, v3);
	nfsm_request(np, NFSPROC_FSSTAT, l, cred);
	if (v3)
		nfsm_postop_attr(vp, retattr, 0);
	if (error) {
		if (mrep != NULL) {
			if (mrep->m_next != NULL)
				printf("nfs_vfsops: nfs_statvfs would lose buffers\n");
			m_freem(mrep);
		}
		goto nfsmout;
	}
	nfsm_dissect(sfp, struct nfs_statfs *, NFSX_STATFS(v3));
	sbp->f_flag = nmp->nm_flag;
	sbp->f_iosize = min(nmp->nm_rsize, nmp->nm_wsize);
	if (v3) {
		sbp->f_frsize = sbp->f_bsize = NFS_FABLKSIZE;
		tquad = fxdr_hyper(&sfp->sf_tbytes);
		sbp->f_blocks = ((quad_t)tquad / (quad_t)NFS_FABLKSIZE);
		tquad = fxdr_hyper(&sfp->sf_fbytes);
		sbp->f_bfree = ((quad_t)tquad / (quad_t)NFS_FABLKSIZE);
		tquad = fxdr_hyper(&sfp->sf_abytes);
		tquad = ((quad_t)tquad / (quad_t)NFS_FABLKSIZE);
		sbp->f_bresvd = sbp->f_bfree - tquad;
		sbp->f_bavail = tquad;
		/* Handle older NFS servers returning negative values */
		if ((quad_t)sbp->f_bavail < 0)
			sbp->f_bavail = 0;
		tquad = fxdr_hyper(&sfp->sf_tfiles);
		sbp->f_files = tquad;
		tquad = fxdr_hyper(&sfp->sf_ffiles);
		sbp->f_ffree = tquad;
		sbp->f_favail = tquad;
		sbp->f_fresvd = 0;
		sbp->f_namemax = NFS_MAXNAMLEN;
	} else {
		sbp->f_bsize = NFS_FABLKSIZE;
		sbp->f_frsize = fxdr_unsigned(int32_t, sfp->sf_bsize);
		sbp->f_blocks = fxdr_unsigned(int32_t, sfp->sf_blocks);
		sbp->f_bfree = fxdr_unsigned(int32_t, sfp->sf_bfree);
		sbp->f_bavail = fxdr_unsigned(int32_t, sfp->sf_bavail);
		sbp->f_fresvd = 0;
		sbp->f_files = 0;
		sbp->f_ffree = 0;
		sbp->f_favail = 0;
		sbp->f_fresvd = 0;
		sbp->f_namemax = NFS_MAXNAMLEN;
	}
	copy_statvfs_info(sbp, mp);
	nfsm_reqdone;
	kauth_cred_free(cred);
	return (error);
}