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11083 support NFS server in zone
Portions contributed by: Dan Kruchinin <dan.kruchinin@nexenta.com>
Portions contributed by: Stepan Zastupov <stepan.zastupov@gmail.com>
Portions contributed by: Joyce McIntosh <joyce.mcintosh@nexenta.com>
Portions contributed by: Mike Zeller <mike@mikezeller.net>
Portions contributed by: Dan McDonald <danmcd@joyent.com>
Portions contributed by: Gordon Ross <gordon.w.ross@gmail.com>
Portions contributed by: Vitaliy Gusev <gusev.vitaliy@gmail.com>
Reviewed by: Rick McNeal <rick.mcneal@nexenta.com>
Reviewed by: Rob Gittins <rob.gittins@nexenta.com>
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
Reviewed by: Jason King <jbk@joyent.com>
Reviewed by: C Fraire <cfraire@me.com>
Change-Id: I22f289d357503f9b48a0bc2482cc4328a6d43d16
*** 16,31 ****
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
! * Copyright 2012 Nexenta Systems, Inc. All rights reserved.
*/
#include <sys/systm.h>
#include <sys/cmn_err.h>
#include <nfs/nfs.h>
--- 16,33 ----
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
+
/*
* Copyright 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
+
/*
! * Copyright 2018 Nexenta Systems, Inc.
*/
#include <sys/systm.h>
#include <sys/cmn_err.h>
#include <nfs/nfs.h>
*** 131,140 ****
--- 133,147 ----
struct nfs4_svgetit_arg sarg;
struct compound_state cs;
struct statvfs64 sb;
rfs4_init_compound_state(&cs);
+ /*
+ * This is global state checking, called once. We might be in
+ * non-global-zone context here (say a modload happens from a zone
+ * process) so in this case, we want the global-zone root vnode.
+ */
cs.vp = rootvp;
cs.fh.nfs_fh4_val = NULL;
cs.cr = kcred;
/*
*** 1299,1324 ****
vnode_t *stubvp = NULL, *vp;
vp = sarg->cs->vp;
sarg->mntdfid_set = FALSE;
! /* VROOT object, must untraverse */
! if (vp->v_flag & VROOT) {
/* extra hold for vp since untraverse might rele */
VN_HOLD(vp);
! stubvp = untraverse(vp);
/*
! * If vp/stubvp are same, we must be at system
* root because untraverse returned same vp
* for a VROOT object. sarg->vap was setup
* before we got here, so there's no need to do
* another getattr -- just use the one in sarg.
*/
if (VN_CMP(vp, stubvp)) {
! ASSERT(VN_CMP(vp, rootdir));
vap = sarg->vap;
} else {
va.va_mask = AT_NODEID;
vap = &va;
error = rfs4_vop_getattr(stubvp, vap, 0, sarg->cs->cr);
--- 1306,1338 ----
vnode_t *stubvp = NULL, *vp;
vp = sarg->cs->vp;
sarg->mntdfid_set = FALSE;
! /*
! * VROOT object or zone's root, must untraverse.
! *
! * NOTE: Not doing reality checks on curzone vs. compound
! * state vnode because it will mismatch once at initialization
! * if a non-global-zone triggers the module load, BUT in that case
! * the vp is literally "/" which has VROOT set.
! */
! if ((vp->v_flag & VROOT) || VN_IS_CURZONEROOT(vp)) {
/* extra hold for vp since untraverse might rele */
VN_HOLD(vp);
! stubvp = untraverse(vp, ZONE_ROOTVP());
/*
! * If vp/stubvp are same, we must be at system-or-zone
* root because untraverse returned same vp
* for a VROOT object. sarg->vap was setup
* before we got here, so there's no need to do
* another getattr -- just use the one in sarg.
*/
if (VN_CMP(vp, stubvp)) {
! ASSERT(VN_IS_CURZONEROOT(vp));
vap = sarg->vap;
} else {
va.va_mask = AT_NODEID;
vap = &va;
error = rfs4_vop_getattr(stubvp, vap, 0, sarg->cs->cr);
*** 1373,1386 ****
if (sarg->op == NFS4ATTR_SETIT)
error = EINVAL;
break; /* this attr is supported */
case NFS4ATTR_GETIT:
case NFS4ATTR_VERIT:
! if (! sarg->mntdfid_set)
error = rfs4_get_mntdfileid(cmd, sarg);
! if (! error && sarg->mntdfid_set) {
if (cmd == NFS4ATTR_GETIT)
na->mounted_on_fileid = sarg->mounted_on_fileid;
else
if (na->mounted_on_fileid !=
sarg->mounted_on_fileid)
--- 1387,1400 ----
if (sarg->op == NFS4ATTR_SETIT)
error = EINVAL;
break; /* this attr is supported */
case NFS4ATTR_GETIT:
case NFS4ATTR_VERIT:
! if (!sarg->mntdfid_set)
error = rfs4_get_mntdfileid(cmd, sarg);
! if (!error && sarg->mntdfid_set) {
if (cmd == NFS4ATTR_GETIT)
na->mounted_on_fileid = sarg->mounted_on_fileid;
else
if (na->mounted_on_fileid !=
sarg->mounted_on_fileid)
*** 1593,1613 ****
if (sarg->op == NFS4ATTR_SETIT || sarg->op == NFS4ATTR_VERIT)
error = EINVAL;
break; /* this attr is supported */
case NFS4ATTR_GETIT:
fsl = fetch_referral(sarg->cs->vp, sarg->cs->cr);
if (fsl == NULL)
(void) memset(&(na->fs_locations), 0,
sizeof (fs_locations4));
else {
na->fs_locations = *fsl;
kmem_free(fsl, sizeof (fs_locations4));
}
! global_svstat_ptr[4][NFS_REFERRALS].value.ui64++;
break;
!
case NFS4ATTR_FREEIT:
if (sarg->op == NFS4ATTR_SETIT || sarg->op == NFS4ATTR_VERIT)
error = EINVAL;
rfs4_free_fs_locations4(&na->fs_locations);
break;
--- 1607,1631 ----
if (sarg->op == NFS4ATTR_SETIT || sarg->op == NFS4ATTR_VERIT)
error = EINVAL;
break; /* this attr is supported */
case NFS4ATTR_GETIT:
+ {
+ kstat_named_t *stat =
+ sarg->cs->exi->exi_ne->ne_globals->svstat[NFS_V4];
+
fsl = fetch_referral(sarg->cs->vp, sarg->cs->cr);
if (fsl == NULL)
(void) memset(&(na->fs_locations), 0,
sizeof (fs_locations4));
else {
na->fs_locations = *fsl;
kmem_free(fsl, sizeof (fs_locations4));
}
! stat[NFS_REFERRALS].value.ui64++;
break;
! }
case NFS4ATTR_FREEIT:
if (sarg->op == NFS4ATTR_SETIT || sarg->op == NFS4ATTR_VERIT)
error = EINVAL;
rfs4_free_fs_locations4(&na->fs_locations);
break;