Merge branch 'for-2.6.28' of git://linux-nfs.org/~bfields/linux

* 'for-2.6.28' of git://linux-nfs.org/~bfields/linux: (59 commits)
  svcrdma: Fix IRD/ORD polarity
  svcrdma: Update svc_rdma_send_error to use DMA LKEY
  svcrdma: Modify the RPC reply path to use FRMR when available
  svcrdma: Modify the RPC recv path to use FRMR when available
  svcrdma: Add support to svc_rdma_send to handle chained WR
  svcrdma: Modify post recv path to use local dma key
  svcrdma: Add a service to register a Fast Reg MR with the device
  svcrdma: Query device for Fast Reg support during connection setup
  svcrdma: Add FRMR get/put services
  NLM: Remove unused argument from svc_addsock() function
  NLM: Remove "proto" argument from lockd_up()
  NLM: Always start both UDP and TCP listeners
  lockd: Remove unused fields in the nlm_reboot structure
  lockd: Add helper to sanity check incoming NOTIFY requests
  lockd: change nlmclnt_grant() to take a "struct sockaddr *"
  lockd: Adjust nlmsvc_lookup_host() to accomodate AF_INET6 addresses
  lockd: Adjust nlmclnt_lookup_host() signature to accomodate non-AF_INET
  lockd: Support non-AF_INET addresses in nlm_lookup_host()
  NLM: Convert nlm_lookup_host() to use a single argument
  svcrdma: Add Fast Reg MR Data Types
  ...

11 files changed, 186 insertions, 167 deletions

diff --git a/fs/nfsd/lockd.c b/fs/nfsd/lockd.c
index 15c6faeec77c..b2786a5f9afe 100644
--- a/fs/nfsd/lockd.c
+++ b/fs/nfsd/lockd.c
@@ -70,7 +70,6 @@ nlm_fclose(struct file *filp)
 static struct nlmsvc_binding    nfsd_nlm_ops = {
         .fopen          = nlm_fopen,            /* open file for locking */
         .fclose         = nlm_fclose,           /* close file */
-        .get_grace_period = get_nfs4_grace_period,
 };
 
 void
diff --git a/fs/nfsd/nfs3proc.c b/fs/nfsd/nfs3proc.c
index 4d617ea28cfc..9dbd2eb91281 100644
--- a/fs/nfsd/nfs3proc.c
+++ b/fs/nfsd/nfs3proc.c
@@ -63,7 +63,8 @@ nfsd3_proc_getattr(struct svc_rqst *rqstp, struct nfsd_fhandle  *argp,
                 SVCFH_fmt(&argp->fh));
 
         fh_copy(&resp->fh, &argp->fh);
-        nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
+        nfserr = fh_verify(rqstp, &resp->fh, 0,
+                        NFSD_MAY_NOP | NFSD_MAY_BYPASS_GSS_ON_ROOT);
         if (nfserr)
                 RETURN_STATUS(nfserr);
 
@@ -530,7 +531,7 @@ nfsd3_proc_fsstat(struct svc_rqst * rqstp, struct nfsd_fhandle    *argp,
         dprintk("nfsd: FSSTAT(3)   %s\n",
                                 SVCFH_fmt(&argp->fh));
 
-        nfserr = nfsd_statfs(rqstp, &argp->fh, &resp->stats);
+        nfserr = nfsd_statfs(rqstp, &argp->fh, &resp->stats, 0);
         fh_put(&argp->fh);
         RETURN_STATUS(nfserr);
 }
@@ -558,7 +559,8 @@ nfsd3_proc_fsinfo(struct svc_rqst * rqstp, struct nfsd_fhandle    *argp,
         resp->f_maxfilesize = ~(u32) 0;
         resp->f_properties = NFS3_FSF_DEFAULT;
 
-        nfserr = fh_verify(rqstp, &argp->fh, 0, NFSD_MAY_NOP);
+        nfserr = fh_verify(rqstp, &argp->fh, 0,
+                        NFSD_MAY_NOP | NFSD_MAY_BYPASS_GSS_ON_ROOT);
 
         /* Check special features of the file system. May request
          * different read/write sizes for file systems known to have
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 702fa577aa6e..094747a1227c 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -225,7 +225,8 @@ encode_cb_recall(struct xdr_stream *xdr, struct nfs4_cb_recall *cb_rec)
 
         RESERVE_SPACE(12+sizeof(cb_rec->cbr_stateid) + len);
         WRITE32(OP_CB_RECALL);
-        WRITEMEM(&cb_rec->cbr_stateid, sizeof(stateid_t));
+        WRITE32(cb_rec->cbr_stateid.si_generation);
+        WRITEMEM(&cb_rec->cbr_stateid.si_opaque, sizeof(stateid_opaque_t));
         WRITE32(cb_rec->cbr_trunc);
         WRITE32(len);
         WRITEMEM(cb_rec->cbr_fhval, len);
@@ -379,6 +380,7 @@ static int do_probe_callback(void *data)
                 .addrsize       = sizeof(addr),
                 .timeout        = &timeparms,
                 .program        = &cb_program,
+                .prognumber     = cb->cb_prog,
                 .version        = nfs_cb_version[1]->number,
                 .authflavor     = RPC_AUTH_UNIX, /* XXX: need AUTH_GSS... */
                 .flags          = (RPC_CLNT_CREATE_NOPING | RPC_CLNT_CREATE_QUIET),
@@ -396,9 +398,6 @@ static int do_probe_callback(void *data)
         addr.sin_port = htons(cb->cb_port);
         addr.sin_addr.s_addr = htonl(cb->cb_addr);
 
-        /* Initialize rpc_stat */
-        memset(args.program->stats, 0, sizeof(struct rpc_stat));
-
         /* Create RPC client */
         client = rpc_create(&args);
         if (IS_ERR(client)) {
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index e5b51ffafc6c..669461e291ae 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -201,10 +201,10 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
         /* Openowner is now set, so sequence id will get bumped.  Now we need
          * these checks before we do any creates: */
         status = nfserr_grace;
-        if (nfs4_in_grace() && open->op_claim_type != NFS4_OPEN_CLAIM_PREVIOUS)
+        if (locks_in_grace() && open->op_claim_type != NFS4_OPEN_CLAIM_PREVIOUS)
                 goto out;
         status = nfserr_no_grace;
-        if (!nfs4_in_grace() && open->op_claim_type == NFS4_OPEN_CLAIM_PREVIOUS)
+        if (!locks_in_grace() && open->op_claim_type == NFS4_OPEN_CLAIM_PREVIOUS)
                 goto out;
 
         switch (open->op_claim_type) {
@@ -575,7 +575,7 @@ nfsd4_remove(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 {
         __be32 status;
 
-        if (nfs4_in_grace())
+        if (locks_in_grace())
                 return nfserr_grace;
         status = nfsd_unlink(rqstp, &cstate->current_fh, 0,
                              remove->rm_name, remove->rm_namelen);
@@ -596,7 +596,7 @@ nfsd4_rename(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 
         if (!cstate->save_fh.fh_dentry)
                 return status;
-        if (nfs4_in_grace() && !(cstate->save_fh.fh_export->ex_flags
+        if (locks_in_grace() && !(cstate->save_fh.fh_export->ex_flags
                                         & NFSEXP_NOSUBTREECHECK))
                 return nfserr_grace;
         status = nfsd_rename(rqstp, &cstate->save_fh, rename->rn_sname,
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 1578d7a2667e..0cc7ff5d5ab5 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -61,7 +61,6 @@
 static time_t lease_time = 90;     /* default lease time */
 static time_t user_lease_time = 90;
 static time_t boot_time;
-static int in_grace = 1;
 static u32 current_ownerid = 1;
 static u32 current_fileid = 1;
 static u32 current_delegid = 1;
@@ -1640,7 +1639,7 @@ nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open, struct nfs4_sta
                 case NFS4_OPEN_CLAIM_NULL:
                         /* Let's not give out any delegations till everyone's
                          * had the chance to reclaim theirs.... */
-                        if (nfs4_in_grace())
+                        if (locks_in_grace())
                                 goto out;
                         if (!atomic_read(&cb->cb_set) || !sop->so_confirmed)
                                 goto out;
@@ -1816,12 +1815,15 @@ out:
         return status;
 }
 
+struct lock_manager nfsd4_manager = {
+};
+
 static void
-end_grace(void)
+nfsd4_end_grace(void)
 {
         dprintk("NFSD: end of grace period\n");
         nfsd4_recdir_purge_old();
-        in_grace = 0;
+        locks_end_grace(&nfsd4_manager);
 }
 
 static time_t
@@ -1838,8 +1840,8 @@ nfs4_laundromat(void)
         nfs4_lock_state();
 
         dprintk("NFSD: laundromat service - starting\n");
-        if (in_grace)
-                end_grace();
+        if (locks_in_grace())
+                nfsd4_end_grace();
         list_for_each_safe(pos, next, &client_lru) {
                 clp = list_entry(pos, struct nfs4_client, cl_lru);
                 if (time_after((unsigned long)clp->cl_time, (unsigned long)cutoff)) {
@@ -1974,7 +1976,7 @@ check_special_stateids(svc_fh *current_fh, stateid_t *stateid, int flags)
                 return nfserr_bad_stateid;
         else if (ONE_STATEID(stateid) && (flags & RD_STATE))
                 return nfs_ok;
-        else if (nfs4_in_grace()) {
+        else if (locks_in_grace()) {
                 /* Answer in remaining cases depends on existance of
                  * conflicting state; so we must wait out the grace period. */
                 return nfserr_grace;
@@ -1993,7 +1995,7 @@ check_special_stateids(svc_fh *current_fh, stateid_t *stateid, int flags)
 static inline int
 io_during_grace_disallowed(struct inode *inode, int flags)
 {
-        return nfs4_in_grace() && (flags & (RD_STATE | WR_STATE))
+        return locks_in_grace() && (flags & (RD_STATE | WR_STATE))
                 && mandatory_lock(inode);
 }
 
@@ -2693,10 +2695,10 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
         filp = lock_stp->st_vfs_file;
 
         status = nfserr_grace;
-        if (nfs4_in_grace() && !lock->lk_reclaim)
+        if (locks_in_grace() && !lock->lk_reclaim)
                 goto out;
         status = nfserr_no_grace;
-        if (!nfs4_in_grace() && lock->lk_reclaim)
+        if (!locks_in_grace() && lock->lk_reclaim)
                 goto out;
 
         locks_init_lock(&file_lock);
@@ -2779,7 +2781,7 @@ nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
         int error;
         __be32 status;
 
-        if (nfs4_in_grace())
+        if (locks_in_grace())
                 return nfserr_grace;
 
         if (check_lock_length(lockt->lt_offset, lockt->lt_length))
@@ -3192,9 +3194,9 @@ __nfs4_state_start(void)
         unsigned long grace_time;
 
         boot_time = get_seconds();
-        grace_time = get_nfs_grace_period();
+        grace_time = get_nfs4_grace_period();
         lease_time = user_lease_time;
-        in_grace = 1;
+        locks_start_grace(&nfsd4_manager);
         printk(KERN_INFO "NFSD: starting %ld-second grace period\n",
                grace_time/HZ);
         laundry_wq = create_singlethread_workqueue("nfsd4");
@@ -3213,12 +3215,6 @@ nfs4_state_start(void)
         return;
 }
 
-int
-nfs4_in_grace(void)
-{
-        return in_grace;
-}
-
 time_t
 nfs4_lease_time(void)
 {
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 14ba4d9b2859..afcdf4b76843 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -413,6 +413,18 @@ out_nfserr:
 }
 
 static __be32
+nfsd4_decode_stateid(struct nfsd4_compoundargs *argp, stateid_t *sid)
+{
+        DECODE_HEAD;
+
+        READ_BUF(sizeof(stateid_t));
+        READ32(sid->si_generation);
+        COPYMEM(&sid->si_opaque, sizeof(stateid_opaque_t));
+
+        DECODE_TAIL;
+}
+
+static __be32
 nfsd4_decode_access(struct nfsd4_compoundargs *argp, struct nfsd4_access *access)
 {
         DECODE_HEAD;
@@ -429,10 +441,9 @@ nfsd4_decode_close(struct nfsd4_compoundargs *argp, struct nfsd4_close *close)
         DECODE_HEAD;
 
         close->cl_stateowner = NULL;
-        READ_BUF(4 + sizeof(stateid_t));
+        READ_BUF(4);
         READ32(close->cl_seqid);
-        READ32(close->cl_stateid.si_generation);
-        COPYMEM(&close->cl_stateid.si_opaque, sizeof(stateid_opaque_t));
+        return nfsd4_decode_stateid(argp, &close->cl_stateid);
 
         DECODE_TAIL;
 }
@@ -493,13 +504,7 @@ nfsd4_decode_create(struct nfsd4_compoundargs *argp, struct nfsd4_create *create
 static inline __be32
 nfsd4_decode_delegreturn(struct nfsd4_compoundargs *argp, struct nfsd4_delegreturn *dr)
 {
-        DECODE_HEAD;
-
-        READ_BUF(sizeof(stateid_t));
-        READ32(dr->dr_stateid.si_generation);
-        COPYMEM(&dr->dr_stateid.si_opaque, sizeof(stateid_opaque_t));
-
-        DECODE_TAIL;
+        return nfsd4_decode_stateid(argp, &dr->dr_stateid);
 }
 
 static inline __be32
@@ -542,20 +547,22 @@ nfsd4_decode_lock(struct nfsd4_compoundargs *argp, struct nfsd4_lock *lock)
         READ32(lock->lk_is_new);
 
         if (lock->lk_is_new) {
-                READ_BUF(36);
+                READ_BUF(4);
                 READ32(lock->lk_new_open_seqid);
-                READ32(lock->lk_new_open_stateid.si_generation);
-
-                COPYMEM(&lock->lk_new_open_stateid.si_opaque, sizeof(stateid_opaque_t));
+                status = nfsd4_decode_stateid(argp, &lock->lk_new_open_stateid);
+                if (status)
+                        return status;
+                READ_BUF(8 + sizeof(clientid_t));
                 READ32(lock->lk_new_lock_seqid);
                 COPYMEM(&lock->lk_new_clientid, sizeof(clientid_t));
                 READ32(lock->lk_new_owner.len);
                 READ_BUF(lock->lk_new_owner.len);
                 READMEM(lock->lk_new_owner.data, lock->lk_new_owner.len);
         } else {
-                READ_BUF(20);
-                READ32(lock->lk_old_lock_stateid.si_generation);
-                COPYMEM(&lock->lk_old_lock_stateid.si_opaque, sizeof(stateid_opaque_t));
+                status = nfsd4_decode_stateid(argp, &lock->lk_old_lock_stateid);
+                if (status)
+                        return status;
+                READ_BUF(4);
                 READ32(lock->lk_old_lock_seqid);
         }
 
@@ -587,13 +594,15 @@ nfsd4_decode_locku(struct nfsd4_compoundargs *argp, struct nfsd4_locku *locku)
         DECODE_HEAD;
 
         locku->lu_stateowner = NULL;
-        READ_BUF(24 + sizeof(stateid_t));
+        READ_BUF(8);
         READ32(locku->lu_type);
         if ((locku->lu_type < NFS4_READ_LT) || (locku->lu_type > NFS4_WRITEW_LT))
                 goto xdr_error;
         READ32(locku->lu_seqid);
-        READ32(locku->lu_stateid.si_generation);
-        COPYMEM(&locku->lu_stateid.si_opaque, sizeof(stateid_opaque_t));
+        status = nfsd4_decode_stateid(argp, &locku->lu_stateid);
+        if (status)
+                return status;
+        READ_BUF(16);
         READ64(locku->lu_offset);
         READ64(locku->lu_length);
 
@@ -678,8 +687,10 @@ nfsd4_decode_open(struct nfsd4_compoundargs *argp, struct nfsd4_open *open)
                 READ32(open->op_delegate_type);
                 break;
         case NFS4_OPEN_CLAIM_DELEGATE_CUR:
-                READ_BUF(sizeof(stateid_t) + 4);
-                COPYMEM(&open->op_delegate_stateid, sizeof(stateid_t));
+                status = nfsd4_decode_stateid(argp, &open->op_delegate_stateid);
+                if (status)
+                        return status;
+                READ_BUF(4);
                 READ32(open->op_fname.len);
                 READ_BUF(open->op_fname.len);
                 SAVEMEM(open->op_fname.data, open->op_fname.len);
@@ -699,9 +710,10 @@ nfsd4_decode_open_confirm(struct nfsd4_compoundargs *argp, struct nfsd4_open_con
         DECODE_HEAD;
                     
         open_conf->oc_stateowner = NULL;
-        READ_BUF(4 + sizeof(stateid_t));
-        READ32(open_conf->oc_req_stateid.si_generation);
-        COPYMEM(&open_conf->oc_req_stateid.si_opaque, sizeof(stateid_opaque_t));
+        status = nfsd4_decode_stateid(argp, &open_conf->oc_req_stateid);
+        if (status)
+                return status;
+        READ_BUF(4);
         READ32(open_conf->oc_seqid);
                                                         
         DECODE_TAIL;
@@ -713,9 +725,10 @@ nfsd4_decode_open_downgrade(struct nfsd4_compoundargs *argp, struct nfsd4_open_d
         DECODE_HEAD;
                     
         open_down->od_stateowner = NULL;
-        READ_BUF(12 + sizeof(stateid_t));
-        READ32(open_down->od_stateid.si_generation);
-        COPYMEM(&open_down->od_stateid.si_opaque, sizeof(stateid_opaque_t));
+        status = nfsd4_decode_stateid(argp, &open_down->od_stateid);
+        if (status)
+                return status;
+        READ_BUF(12);
         READ32(open_down->od_seqid);
         READ32(open_down->od_share_access);
         READ32(open_down->od_share_deny);
@@ -743,9 +756,10 @@ nfsd4_decode_read(struct nfsd4_compoundargs *argp, struct nfsd4_read *read)
 {
         DECODE_HEAD;
 
-        READ_BUF(sizeof(stateid_t) + 12);
-        READ32(read->rd_stateid.si_generation);
-        COPYMEM(&read->rd_stateid.si_opaque, sizeof(stateid_opaque_t));
+        status = nfsd4_decode_stateid(argp, &read->rd_stateid);
+        if (status)
+                return status;
+        READ_BUF(12);
         READ64(read->rd_offset);
         READ32(read->rd_length);
 
@@ -834,15 +848,13 @@ nfsd4_decode_secinfo(struct nfsd4_compoundargs *argp,
 static __be32
 nfsd4_decode_setattr(struct nfsd4_compoundargs *argp, struct nfsd4_setattr *setattr)
 {
-        DECODE_HEAD;
-
-        READ_BUF(sizeof(stateid_t));
-        READ32(setattr->sa_stateid.si_generation);
-        COPYMEM(&setattr->sa_stateid.si_opaque, sizeof(stateid_opaque_t));
-        if ((status = nfsd4_decode_fattr(argp, setattr->sa_bmval, &setattr->sa_iattr, &setattr->sa_acl)))
-                goto out;
+        __be32 status;
 
-        DECODE_TAIL;
+        status = nfsd4_decode_stateid(argp, &setattr->sa_stateid);
+        if (status)
+                return status;
+        return nfsd4_decode_fattr(argp, setattr->sa_bmval,
+                                  &setattr->sa_iattr, &setattr->sa_acl);
 }
 
 static __be32
@@ -927,9 +939,10 @@ nfsd4_decode_write(struct nfsd4_compoundargs *argp, struct nfsd4_write *write)
         int len;
         DECODE_HEAD;
 
-        READ_BUF(sizeof(stateid_opaque_t) + 20);
-        READ32(write->wr_stateid.si_generation);
-        COPYMEM(&write->wr_stateid.si_opaque, sizeof(stateid_opaque_t));
+        status = nfsd4_decode_stateid(argp, &write->wr_stateid);
+        if (status)
+                return status;
+        READ_BUF(16);
         READ64(write->wr_offset);
         READ32(write->wr_stable_how);
         if (write->wr_stable_how > 2)
@@ -1183,7 +1196,6 @@ nfsd4_decode_compound(struct nfsd4_compoundargs *argp)
  * Header routine to setup seqid operation replay cache
  */
 #define ENCODE_SEQID_OP_HEAD                                    \
-        __be32 *p;                                              \
         __be32 *save;                                           \
                                                                 \
         save = resp->p;
@@ -1950,6 +1962,17 @@ fail:
         return -EINVAL;
 }
 
+static void
+nfsd4_encode_stateid(struct nfsd4_compoundres *resp, stateid_t *sid)
+{
+        ENCODE_HEAD;
+
+        RESERVE_SPACE(sizeof(stateid_t));
+        WRITE32(sid->si_generation);
+        WRITEMEM(&sid->si_opaque, sizeof(stateid_opaque_t));
+        ADJUST_ARGS();
+}
+
 static __be32
 nfsd4_encode_access(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_access *access)
 {
@@ -1969,12 +1992,9 @@ nfsd4_encode_close(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_c
 {
         ENCODE_SEQID_OP_HEAD;
 
-        if (!nfserr) {
-                RESERVE_SPACE(sizeof(stateid_t));
-                WRITE32(close->cl_stateid.si_generation);
-                WRITEMEM(&close->cl_stateid.si_opaque, sizeof(stateid_opaque_t));
-                ADJUST_ARGS();
-        }
+        if (!nfserr)
+                nfsd4_encode_stateid(resp, &close->cl_stateid);
+
         ENCODE_SEQID_OP_TAIL(close->cl_stateowner);
         return nfserr;
 }
@@ -2074,12 +2094,9 @@ nfsd4_encode_lock(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_lo
 {
         ENCODE_SEQID_OP_HEAD;
 
-        if (!nfserr) {
-                RESERVE_SPACE(4 + sizeof(stateid_t));
-                WRITE32(lock->lk_resp_stateid.si_generation);
-                WRITEMEM(&lock->lk_resp_stateid.si_opaque, sizeof(stateid_opaque_t));
-                ADJUST_ARGS();
-        } else if (nfserr == nfserr_denied)
+        if (!nfserr)
+                nfsd4_encode_stateid(resp, &lock->lk_resp_stateid);
+        else if (nfserr == nfserr_denied)
                 nfsd4_encode_lock_denied(resp, &lock->lk_denied);
 
         ENCODE_SEQID_OP_TAIL(lock->lk_replay_owner);
@@ -2099,13 +2116,9 @@ nfsd4_encode_locku(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_l
 {
         ENCODE_SEQID_OP_HEAD;
 
-        if (!nfserr) {
-                RESERVE_SPACE(sizeof(stateid_t));
-                WRITE32(locku->lu_stateid.si_generation);
-                WRITEMEM(&locku->lu_stateid.si_opaque, sizeof(stateid_opaque_t));
-                ADJUST_ARGS();
-        }
-                                        
+        if (!nfserr)
+                nfsd4_encode_stateid(resp, &locku->lu_stateid);
+
         ENCODE_SEQID_OP_TAIL(locku->lu_stateowner);
         return nfserr;
 }
@@ -2128,14 +2141,14 @@ nfsd4_encode_link(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_li
 static __be32
 nfsd4_encode_open(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_open *open)
 {
+        ENCODE_HEAD;
         ENCODE_SEQID_OP_HEAD;
 
         if (nfserr)
                 goto out;
 
-        RESERVE_SPACE(36 + sizeof(stateid_t));
-        WRITE32(open->op_stateid.si_generation);
-        WRITEMEM(&open->op_stateid.si_opaque, sizeof(stateid_opaque_t));
+        nfsd4_encode_stateid(resp, &open->op_stateid);
+        RESERVE_SPACE(40);
         WRITECINFO(open->op_cinfo);
         WRITE32(open->op_rflags);
         WRITE32(2);
@@ -2148,8 +2161,8 @@ nfsd4_encode_open(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_op
         case NFS4_OPEN_DELEGATE_NONE:
                 break;
         case NFS4_OPEN_DELEGATE_READ:
-                RESERVE_SPACE(20 + sizeof(stateid_t));
-                WRITEMEM(&open->op_delegate_stateid, sizeof(stateid_t));
+                nfsd4_encode_stateid(resp, &open->op_delegate_stateid);
+                RESERVE_SPACE(20);
                 WRITE32(open->op_recall);
 
                 /*
@@ -2162,8 +2175,8 @@ nfsd4_encode_open(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_op
                 ADJUST_ARGS();
                 break;
         case NFS4_OPEN_DELEGATE_WRITE:
-                RESERVE_SPACE(32 + sizeof(stateid_t));
-                WRITEMEM(&open->op_delegate_stateid, sizeof(stateid_t));
+                nfsd4_encode_stateid(resp, &open->op_delegate_stateid);
+                RESERVE_SPACE(32);
                 WRITE32(0);
 
                 /*
@@ -2195,13 +2208,9 @@ static __be32
 nfsd4_encode_open_confirm(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_open_confirm *oc)
 {
         ENCODE_SEQID_OP_HEAD;
-                                        
-        if (!nfserr) {
-                RESERVE_SPACE(sizeof(stateid_t));
-                WRITE32(oc->oc_resp_stateid.si_generation);
-                WRITEMEM(&oc->oc_resp_stateid.si_opaque, sizeof(stateid_opaque_t));
-                ADJUST_ARGS();
-        }
+
+        if (!nfserr)
+                nfsd4_encode_stateid(resp, &oc->oc_resp_stateid);
 
         ENCODE_SEQID_OP_TAIL(oc->oc_stateowner);
         return nfserr;
@@ -2211,13 +2220,9 @@ static __be32
 nfsd4_encode_open_downgrade(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_open_downgrade *od)
 {
         ENCODE_SEQID_OP_HEAD;
-                                        
-        if (!nfserr) {
-                RESERVE_SPACE(sizeof(stateid_t));
-                WRITE32(od->od_stateid.si_generation);
-                WRITEMEM(&od->od_stateid.si_opaque, sizeof(stateid_opaque_t));
-                ADJUST_ARGS();
-        }
+
+        if (!nfserr)
+                nfsd4_encode_stateid(resp, &od->od_stateid);
 
         ENCODE_SEQID_OP_TAIL(od->od_stateowner);
         return nfserr;
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index c53e65f8f3a2..97543df58242 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -614,10 +614,9 @@ static ssize_t __write_ports(struct file *file, char *buf, size_t size)
                         return -EINVAL;
                 err = nfsd_create_serv();
                 if (!err) {
-                        int proto = 0;
-                        err = svc_addsock(nfsd_serv, fd, buf, &proto);
+                        err = svc_addsock(nfsd_serv, fd, buf);
                         if (err >= 0) {
-                                err = lockd_up(proto);
+                                err = lockd_up();
                                 if (err < 0)
                                         svc_sock_names(buf+strlen(buf)+1, nfsd_serv, buf);
                         }
diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c
index ea37c96f0445..cd25d91895a1 100644
--- a/fs/nfsd/nfsfh.c
+++ b/fs/nfsd/nfsfh.c
@@ -302,17 +302,27 @@ fh_verify(struct svc_rqst *rqstp, struct svc_fh *fhp, int type, int access)
         if (error)
                 goto out;
 
-        if (!(access & NFSD_MAY_LOCK)) {
-                /*
-                 * pseudoflavor restrictions are not enforced on NLM,
-                 * which clients virtually always use auth_sys for,
-                 * even while using RPCSEC_GSS for NFS.
-                 */
-                error = check_nfsd_access(exp, rqstp);
-                if (error)
-                        goto out;
-        }
+        /*
+         * pseudoflavor restrictions are not enforced on NLM,
+         * which clients virtually always use auth_sys for,
+         * even while using RPCSEC_GSS for NFS.
+         */
+        if (access & NFSD_MAY_LOCK)
+                goto skip_pseudoflavor_check;
+        /*
+         * Clients may expect to be able to use auth_sys during mount,
+         * even if they use gss for everything else; see section 2.3.2
+         * of rfc 2623.
+         */
+        if (access & NFSD_MAY_BYPASS_GSS_ON_ROOT
+                        && exp->ex_path.dentry == dentry)
+                goto skip_pseudoflavor_check;
+
+        error = check_nfsd_access(exp, rqstp);
+        if (error)
+                goto out;
 
+skip_pseudoflavor_check:
         /* Finally, check access permissions. */
         error = nfsd_permission(rqstp, exp, dentry, access);
 
diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c
index 0766f95d236a..5cffeca7acef 100644
--- a/fs/nfsd/nfsproc.c
+++ b/fs/nfsd/nfsproc.c
@@ -65,7 +65,8 @@ nfsd_proc_getattr(struct svc_rqst *rqstp, struct nfsd_fhandle  *argp,
         dprintk("nfsd: GETATTR  %s\n", SVCFH_fmt(&argp->fh));
 
         fh_copy(&resp->fh, &argp->fh);
-        nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
+        nfserr = fh_verify(rqstp, &resp->fh, 0,
+                        NFSD_MAY_NOP | NFSD_MAY_BYPASS_GSS_ON_ROOT);
         return nfsd_return_attrs(nfserr, resp);
 }
 
@@ -521,7 +522,8 @@ nfsd_proc_statfs(struct svc_rqst * rqstp, struct nfsd_fhandle   *argp,
 
         dprintk("nfsd: STATFS   %s\n", SVCFH_fmt(&argp->fh));
 
-        nfserr = nfsd_statfs(rqstp, &argp->fh, &resp->stats);
+        nfserr = nfsd_statfs(rqstp, &argp->fh, &resp->stats,
+                        NFSD_MAY_BYPASS_GSS_ON_ROOT);
         fh_put(&argp->fh);
         return nfserr;
 }
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index 80292ff5e924..59eeb46f82c5 100644
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -229,6 +229,7 @@ int nfsd_create_serv(void)
 
         atomic_set(&nfsd_busy, 0);
         nfsd_serv = svc_create_pooled(&nfsd_program, nfsd_max_blksize,
+                                      AF_INET,
                                       nfsd_last_thread, nfsd, THIS_MODULE);
         if (nfsd_serv == NULL)
                 err = -ENOMEM;
@@ -243,25 +244,20 @@ static int nfsd_init_socks(int port)
         if (!list_empty(&nfsd_serv->sv_permsocks))
                 return 0;
 
-        error = lockd_up(IPPROTO_UDP);
-        if (error >= 0) {
-                error = svc_create_xprt(nfsd_serv, "udp", port,
+        error = svc_create_xprt(nfsd_serv, "udp", port,
                                         SVC_SOCK_DEFAULTS);
-                if (error < 0)
-                        lockd_down();
-        }
         if (error < 0)
                 return error;
 
-        error = lockd_up(IPPROTO_TCP);
-        if (error >= 0) {
-                error = svc_create_xprt(nfsd_serv, "tcp", port,
+        error = svc_create_xprt(nfsd_serv, "tcp", port,
                                         SVC_SOCK_DEFAULTS);
-                if (error < 0)
-                        lockd_down();
-        }
         if (error < 0)
                 return error;
+
+        error = lockd_up();
+        if (error < 0)
+                return error;
+
         return 0;
 }
 
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 18060bed5267..aa1d0d6489a1 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -83,7 +83,6 @@ struct raparm_hbucket {
         spinlock_t              pb_lock;
 } ____cacheline_aligned_in_smp;
 
-static struct raparms *         raparml;
 #define RAPARM_HASH_BITS        4
 #define RAPARM_HASH_SIZE        (1<<RAPARM_HASH_BITS)
 #define RAPARM_HASH_MASK        (RAPARM_HASH_SIZE-1)
@@ -1866,9 +1865,9 @@ out:
  * N.B. After this call fhp needs an fh_put
  */
 __be32
-nfsd_statfs(struct svc_rqst *rqstp, struct svc_fh *fhp, struct kstatfs *stat)
+nfsd_statfs(struct svc_rqst *rqstp, struct svc_fh *fhp, struct kstatfs *stat, int access)
 {
-        __be32 err = fh_verify(rqstp, fhp, 0, NFSD_MAY_NOP);
+        __be32 err = fh_verify(rqstp, fhp, 0, NFSD_MAY_NOP | access);
         if (!err && vfs_statfs(fhp->fh_dentry,stat))
                 err = nfserr_io;
         return err;
@@ -1966,11 +1965,20 @@ nfsd_permission(struct svc_rqst *rqstp, struct svc_export *exp,
 void
 nfsd_racache_shutdown(void)
 {
-        if (!raparml)
-                return;
+        struct raparms *raparm, *last_raparm;
+        unsigned int i;
+
         dprintk("nfsd: freeing readahead buffers.\n");
-        kfree(raparml);
-        raparml = NULL;
+
+        for (i = 0; i < RAPARM_HASH_SIZE; i++) {
+                raparm = raparm_hash[i].pb_head;
+                while(raparm) {
+                        last_raparm = raparm;
+                        raparm = raparm->p_next;
+                        kfree(last_raparm);
+                }
+                raparm_hash[i].pb_head = NULL;
+        }
 }
 /*
  * Initialize readahead param cache
@@ -1981,35 +1989,38 @@ nfsd_racache_init(int cache_size)
         int     i;
         int     j = 0;
         int     nperbucket;
+        struct raparms **raparm = NULL;
 
 
-        if (raparml)
+        if (raparm_hash[0].pb_head)
                 return 0;
-        if (cache_size < 2*RAPARM_HASH_SIZE)
-                cache_size = 2*RAPARM_HASH_SIZE;
-        raparml = kcalloc(cache_size, sizeof(struct raparms), GFP_KERNEL);
-
-        if (!raparml) {
-                printk(KERN_WARNING
-                        "nfsd: Could not allocate memory read-ahead cache.\n");
-                return -ENOMEM;
-        }
+        nperbucket = DIV_ROUND_UP(cache_size, RAPARM_HASH_SIZE);
+        if (nperbucket < 2)
+                nperbucket = 2;
+        cache_size = nperbucket * RAPARM_HASH_SIZE;
 
         dprintk("nfsd: allocating %d readahead buffers.\n", cache_size);
-        for (i = 0 ; i < RAPARM_HASH_SIZE ; i++) {
-                raparm_hash[i].pb_head = NULL;
+
+        for (i = 0; i < RAPARM_HASH_SIZE; i++) {
                 spin_lock_init(&raparm_hash[i].pb_lock);
-        }
-        nperbucket = DIV_ROUND_UP(cache_size, RAPARM_HASH_SIZE);
-        for (i = 0; i < cache_size - 1; i++) {
-                if (i % nperbucket == 0)
-                        raparm_hash[j++].pb_head = raparml + i;
-                if (i % nperbucket < nperbucket-1)
-                        raparml[i].p_next = raparml + i + 1;
+
+                raparm = &raparm_hash[i].pb_head;
+                for (j = 0; j < nperbucket; j++) {
+                        *raparm = kzalloc(sizeof(struct raparms), GFP_KERNEL);
+                        if (!*raparm)
+                                goto out_nomem;
+                        raparm = &(*raparm)->p_next;
+                }
+                *raparm = NULL;
         }
 
         nfsdstats.ra_size = cache_size;
         return 0;
+
+out_nomem:
+        dprintk("nfsd: kmalloc failed, freeing readahead buffers\n");
+        nfsd_racache_shutdown();
+        return -ENOMEM;
 }
 
 #if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)