Merge commit 'v2.6.32-rc8' into HEAD
diff --git a/Documentation/filesystems/00-INDEX b/Documentation/filesystems/00-INDEX
index f15621e..658154f 100644
--- a/Documentation/filesystems/00-INDEX
+++ b/Documentation/filesystems/00-INDEX
@@ -1,7 +1,5 @@
 00-INDEX
 	- this file (info on some of the filesystems supported by linux).
-Exporting
-	- explanation of how to make filesystems exportable.
 Locking
 	- info on locking rules as they pertain to Linux VFS.
 9p.txt
@@ -66,12 +64,8 @@
 	- info on the Linux implementation of Sys V mandatory file locking.
 ncpfs.txt
 	- info on Novell Netware(tm) filesystem using NCP protocol.
-nfs41-server.txt
-	- info on the Linux server implementation of NFSv4 minor version 1.
-nfs-rdma.txt
-	- how to install and setup the Linux NFS/RDMA client and server software.
-nfsroot.txt
-	- short guide on setting up a diskless box with NFS root filesystem.
+nfs/
+	- nfs-related documentation.
 nilfs2.txt
 	- info and mount options for the NILFS2 filesystem.
 ntfs.txt
@@ -90,8 +84,6 @@
 	- info on relay, for efficient streaming from kernel to user space.
 romfs.txt
 	- description of the ROMFS filesystem.
-rpc-cache.txt
-	- introduction to the caching mechanisms in the sunrpc layer.
 seq_file.txt
 	- how to use the seq_file API
 sharedsubtree.txt
diff --git a/Documentation/filesystems/nfs/00-INDEX b/Documentation/filesystems/nfs/00-INDEX
new file mode 100644
index 0000000..2f68cd6
--- /dev/null
+++ b/Documentation/filesystems/nfs/00-INDEX
@@ -0,0 +1,16 @@
+00-INDEX
+	- this file (nfs-related documentation).
+Exporting
+	- explanation of how to make filesystems exportable.
+knfsd-stats.txt
+	- statistics which the NFS server makes available to user space.
+nfs.txt
+	- nfs client, and DNS resolution for fs_locations.
+nfs41-server.txt
+	- info on the Linux server implementation of NFSv4 minor version 1.
+nfs-rdma.txt
+	- how to install and setup the Linux NFS/RDMA client and server software
+nfsroot.txt
+	- short guide on setting up a diskless box with NFS root filesystem.
+rpc-cache.txt
+	- introduction to the caching mechanisms in the sunrpc layer.
diff --git a/Documentation/filesystems/Exporting b/Documentation/filesystems/nfs/Exporting
similarity index 100%
rename from Documentation/filesystems/Exporting
rename to Documentation/filesystems/nfs/Exporting
diff --git a/Documentation/filesystems/knfsd-stats.txt b/Documentation/filesystems/nfs/knfsd-stats.txt
similarity index 100%
rename from Documentation/filesystems/knfsd-stats.txt
rename to Documentation/filesystems/nfs/knfsd-stats.txt
diff --git a/Documentation/filesystems/nfs-rdma.txt b/Documentation/filesystems/nfs/nfs-rdma.txt
similarity index 100%
rename from Documentation/filesystems/nfs-rdma.txt
rename to Documentation/filesystems/nfs/nfs-rdma.txt
diff --git a/Documentation/filesystems/nfs.txt b/Documentation/filesystems/nfs/nfs.txt
similarity index 100%
rename from Documentation/filesystems/nfs.txt
rename to Documentation/filesystems/nfs/nfs.txt
diff --git a/Documentation/filesystems/nfs41-server.txt b/Documentation/filesystems/nfs/nfs41-server.txt
similarity index 96%
rename from Documentation/filesystems/nfs41-server.txt
rename to Documentation/filesystems/nfs/nfs41-server.txt
index 5920fe2..1bd0d0c 100644
--- a/Documentation/filesystems/nfs41-server.txt
+++ b/Documentation/filesystems/nfs/nfs41-server.txt
@@ -41,7 +41,7 @@
 	  conformant with the spec (for example, we don't use kerberos
 	  on the backchannel correctly).
 	- no trunking support: no clients currently take advantage of
-	  trunking, but this is a mandatory failure, and its use is
+	  trunking, but this is a mandatory feature, and its use is
 	  recommended to clients in a number of places.  (E.g. to ensure
 	  timely renewal in case an existing connection's retry timeouts
 	  have gotten too long; see section 8.3 of the draft.)
@@ -213,3 +213,10 @@
   DESTROY_CLIENTID, DESTROY_SESSION, EXCHANGE_ID.
 * DESTROY_SESSION MUST be the final operation in the COMPOUND request.
 
+Nonstandard compound limitations:
+* No support for a sessions fore channel RPC compound that requires both a
+  ca_maxrequestsize request and a ca_maxresponsesize reply, so we may
+  fail to live up to the promise we made in CREATE_SESSION fore channel
+  negotiation.
+* No more than one IO operation (read, write, readdir) allowed per
+  compound.
diff --git a/Documentation/filesystems/nfsroot.txt b/Documentation/filesystems/nfs/nfsroot.txt
similarity index 100%
rename from Documentation/filesystems/nfsroot.txt
rename to Documentation/filesystems/nfs/nfsroot.txt
diff --git a/Documentation/filesystems/rpc-cache.txt b/Documentation/filesystems/nfs/rpc-cache.txt
similarity index 100%
rename from Documentation/filesystems/rpc-cache.txt
rename to Documentation/filesystems/nfs/rpc-cache.txt
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting
index 92b888d..a7e9746 100644
--- a/Documentation/filesystems/porting
+++ b/Documentation/filesystems/porting
@@ -140,7 +140,7 @@
 New super_block field "struct export_operations *s_export_op" for
 explicit support for exporting, e.g. via NFS.  The structure is fully
 documented at its declaration in include/linux/fs.h, and in
-Documentation/filesystems/Exporting.
+Documentation/filesystems/nfs/Exporting.
 
 Briefly it allows for the definition of decode_fh and encode_fh operations
 to encode and decode filehandles, and allows the filesystem to use
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 9107b38..dab0f04 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1017,7 +1017,7 @@
 			No delay
 
 	ip=		[IP_PNP]
-			See Documentation/filesystems/nfsroot.txt.
+			See Documentation/filesystems/nfs/nfsroot.txt.
 
 	ip2=		[HW] Set IO/IRQ pairs for up to 4 IntelliPort boards
 			See comment before ip2_setup() in
@@ -1538,10 +1538,10 @@
 			going to be removed in 2.6.29.
 
 	nfsaddrs=	[NFS]
-			See Documentation/filesystems/nfsroot.txt.
+			See Documentation/filesystems/nfs/nfsroot.txt.
 
 	nfsroot=	[NFS] nfs root filesystem for disk-less boxes.
-			See Documentation/filesystems/nfsroot.txt.
+			See Documentation/filesystems/nfs/nfsroot.txt.
 
 	nfs.callback_tcpport=
 			[NFS] set the TCP port on which the NFSv4 callback
diff --git a/fs/cifs/export.c b/fs/cifs/export.c
index 75949d6..6177f7c 100644
--- a/fs/cifs/export.c
+++ b/fs/cifs/export.c
@@ -24,7 +24,7 @@
  */
 
  /*
-  * See Documentation/filesystems/Exporting
+  * See Documentation/filesystems/nfs/Exporting
   * and examples in fs/exportfs
   *
   * Since cifs is a network file system, an "fsid" must be included for
diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c
index 197c7db..e9e1759 100644
--- a/fs/exportfs/expfs.c
+++ b/fs/exportfs/expfs.c
@@ -6,7 +6,7 @@
  * and for mapping back from file handles to dentries.
  *
  * For details on why we do all the strange and hairy things in here
- * take a look at Documentation/filesystems/Exporting.
+ * take a look at Documentation/filesystems/nfs/Exporting.
  */
 #include <linux/exportfs.h>
 #include <linux/fs.h>
diff --git a/fs/isofs/export.c b/fs/isofs/export.c
index e81a305..ed752cb 100644
--- a/fs/isofs/export.c
+++ b/fs/isofs/export.c
@@ -9,7 +9,7 @@
  *
  * The following files are helpful:
  *
- *     Documentation/filesystems/Exporting
+ *     Documentation/filesystems/nfs/Exporting
  *     fs/exportfs/expfs.c.
  */
 
diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
index 2a77bc2..59e5673 100644
--- a/fs/nfs/Kconfig
+++ b/fs/nfs/Kconfig
@@ -90,7 +90,7 @@
 	  If you want your system to mount its root file system via NFS,
 	  choose Y here.  This is common practice for managing systems
 	  without local permanent storage.  For details, read
-	  <file:Documentation/filesystems/nfsroot.txt>.
+	  <file:Documentation/filesystems/nfs/nfsroot.txt>.
 
 	  Most people say N here.
 
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index c1c9e03..b73baba 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -1320,6 +1320,23 @@
 	return exp;
 }
 
+static struct svc_export *find_fsidzero_export(struct svc_rqst *rqstp)
+{
+	struct svc_export *exp;
+	u32 fsidv[2];
+
+	mk_fsid(FSID_NUM, fsidv, 0, 0, 0, NULL);
+
+	exp = rqst_exp_find(rqstp, FSID_NUM, fsidv);
+	/*
+	 * We shouldn't have accepting an nfsv4 request at all if we
+	 * don't have a pseudoexport!:
+	 */
+	if (IS_ERR(exp) && PTR_ERR(exp) == -ENOENT)
+		exp = ERR_PTR(-ESERVERFAULT);
+	return exp;
+}
+
 /*
  * Called when we need the filehandle for the root of the pseudofs,
  * for a given NFSv4 client.   The root is defined to be the
@@ -1330,11 +1347,8 @@
 {
 	struct svc_export *exp;
 	__be32 rv;
-	u32 fsidv[2];
 
-	mk_fsid(FSID_NUM, fsidv, 0, 0, 0, NULL);
-
-	exp = rqst_exp_find(rqstp, FSID_NUM, fsidv);
+	exp = find_fsidzero_export(rqstp);
 	if (IS_ERR(exp))
 		return nfserrno(PTR_ERR(exp));
 	rv = fh_compose(fhp, exp, exp->ex_path.dentry, NULL);
diff --git a/fs/nfsd/lockd.c b/fs/nfsd/lockd.c
index b2786a5..812bc64 100644
--- a/fs/nfsd/lockd.c
+++ b/fs/nfsd/lockd.c
@@ -16,6 +16,7 @@
 #include <linux/sunrpc/svc.h>
 #include <linux/nfsd/nfsd.h>
 #include <linux/lockd/bind.h>
+#include "vfs.h"
 
 #define NFSDDBG_FACILITY		NFSDDBG_LOCKD
 
diff --git a/fs/nfsd/nfs2acl.c b/fs/nfsd/nfs2acl.c
index 4e3219e..38c883d 100644
--- a/fs/nfsd/nfs2acl.c
+++ b/fs/nfsd/nfs2acl.c
@@ -14,6 +14,7 @@
 #include <linux/nfsd/xdr3.h>
 #include <linux/posix_acl.h>
 #include <linux/nfsacl.h>
+#include "vfs.h"
 
 #define NFSDDBG_FACILITY		NFSDDBG_PROC
 #define RETURN_STATUS(st)	{ resp->status = (st); return (st); }
@@ -217,6 +218,16 @@
  * XDR encode functions
  */
 
+/*
+ * There must be an encoding function for void results so svc_process
+ * will work properly.
+ */
+int
+nfsaclsvc_encode_voidres(struct svc_rqst *rqstp, __be32 *p, void *dummy)
+{
+	return xdr_ressize_check(rqstp, p);
+}
+
 /* GETACL */
 static int nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p,
 		struct nfsd3_getaclres *resp)
@@ -308,7 +319,6 @@
 }
 
 #define nfsaclsvc_decode_voidargs	NULL
-#define nfsaclsvc_encode_voidres	NULL
 #define nfsaclsvc_release_void		NULL
 #define nfsd3_fhandleargs	nfsd_fhandle
 #define nfsd3_attrstatres	nfsd_attrstat
@@ -346,5 +356,5 @@
 		.vs_proc	= nfsd_acl_procedures2,
 		.vs_dispatch	= nfsd_dispatch,
 		.vs_xdrsize	= NFS3_SVC_XDRSIZE,
-		.vs_hidden	= 1,
+		.vs_hidden	= 0,
 };
diff --git a/fs/nfsd/nfs3acl.c b/fs/nfsd/nfs3acl.c
index 9981dbb..526d85a 100644
--- a/fs/nfsd/nfs3acl.c
+++ b/fs/nfsd/nfs3acl.c
@@ -13,6 +13,7 @@
 #include <linux/nfsd/xdr3.h>
 #include <linux/posix_acl.h>
 #include <linux/nfsacl.h>
+#include "vfs.h"
 
 #define RETURN_STATUS(st)	{ resp->status = (st); return (st); }
 
@@ -264,6 +265,6 @@
 		.vs_proc	= nfsd_acl_procedures3,
 		.vs_dispatch	= nfsd_dispatch,
 		.vs_xdrsize	= NFS3_SVC_XDRSIZE,
-		.vs_hidden	= 1,
+		.vs_hidden	= 0,
 };
 
diff --git a/fs/nfsd/nfs3proc.c b/fs/nfsd/nfs3proc.c
index a713c41..1a259d3 100644
--- a/fs/nfsd/nfs3proc.c
+++ b/fs/nfsd/nfs3proc.c
@@ -25,6 +25,7 @@
 #include <linux/nfsd/cache.h>
 #include <linux/nfsd/xdr3.h>
 #include <linux/nfs3.h>
+#include "vfs.h"
 
 #define NFSDDBG_FACILITY		NFSDDBG_PROC
 
diff --git a/fs/nfsd/nfs4acl.c b/fs/nfsd/nfs4acl.c
index 725d02f..6d9c6aa 100644
--- a/fs/nfsd/nfs4acl.c
+++ b/fs/nfsd/nfs4acl.c
@@ -389,7 +389,7 @@
 	sort_pacl_range(pacl, 1, i-1);
 
 	BUG_ON(pacl->a_entries[i].e_tag != ACL_GROUP_OBJ);
-	j = i++;
+	j = ++i;
 	while (pacl->a_entries[j].e_tag == ACL_GROUP)
 		j++;
 	sort_pacl_range(pacl, i, j-1);
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index bebc0c2..60a93cd 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -48,6 +48,7 @@
 #include <linux/nfsd/xdr4.h>
 #include <linux/nfs4_acl.h>
 #include <linux/sunrpc/gss_api.h>
+#include "vfs.h"
 
 #define NFSDDBG_FACILITY		NFSDDBG_PROC
 
diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index b534840..c7a6b24 100644
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -47,6 +47,7 @@
 #include <linux/crypto.h>
 #include <linux/sched.h>
 #include <linux/mount.h>
+#include "vfs.h"
 
 #define NFSDDBG_FACILITY                NFSDDBG_PROC
 
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 2153f9b..850960e 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -56,6 +56,7 @@
 #include <linux/module.h>
 #include <linux/sunrpc/svcauth_gss.h>
 #include <linux/sunrpc/clnt.h>
+#include "vfs.h"
 
 #define NFSDDBG_FACILITY                NFSDDBG_PROC
 
@@ -477,13 +478,14 @@
 
 /*
  * fchan holds the client values on input, and the server values on output
+ * sv_max_mesg is the maximum payload plus one page for overhead.
  */
 static int init_forechannel_attrs(struct svc_rqst *rqstp,
 				  struct nfsd4_channel_attrs *session_fchan,
 				  struct nfsd4_channel_attrs *fchan)
 {
 	int status = 0;
-	__u32   maxcount = svc_max_payload(rqstp);
+	__u32   maxcount = nfsd_serv->sv_max_mesg;
 
 	/* headerpadsz set to zero in encode routine */
 
@@ -523,6 +525,15 @@
 		kfree(ses->se_slots[i]);
 }
 
+/*
+ * We don't actually need to cache the rpc and session headers, so we
+ * can allocate a little less for each slot:
+ */
+static inline int slot_bytes(struct nfsd4_channel_attrs *ca)
+{
+	return ca->maxresp_cached - NFSD_MIN_HDR_SEQ_SZ;
+}
+
 static int
 alloc_init_session(struct svc_rqst *rqstp, struct nfs4_client *clp,
 		   struct nfsd4_create_session *cses)
@@ -554,7 +565,7 @@
 	memcpy(new, &tmp, sizeof(*new));
 
 	/* allocate each struct nfsd4_slot and data cache in one piece */
-	cachesize = new->se_fchannel.maxresp_cached - NFSD_MIN_HDR_SEQ_SZ;
+	cachesize = slot_bytes(&new->se_fchannel);
 	for (i = 0; i < new->se_fchannel.maxreqs; i++) {
 		sp = kzalloc(sizeof(*sp) + cachesize, GFP_KERNEL);
 		if (!sp)
@@ -628,10 +639,12 @@
 free_session(struct kref *kref)
 {
 	struct nfsd4_session *ses;
+	int mem;
 
 	ses = container_of(kref, struct nfsd4_session, se_ref);
 	spin_lock(&nfsd_drc_lock);
-	nfsd_drc_mem_used -= ses->se_fchannel.maxreqs * NFSD_SLOT_CACHE_SIZE;
+	mem = ses->se_fchannel.maxreqs * slot_bytes(&ses->se_fchannel);
+	nfsd_drc_mem_used -= mem;
 	spin_unlock(&nfsd_drc_lock);
 	free_session_slots(ses);
 	kfree(ses);
@@ -2404,11 +2417,8 @@
 
 	memcpy(&open->op_delegate_stateid, &dp->dl_stateid, sizeof(dp->dl_stateid));
 
-	dprintk("NFSD: delegation stateid=(%08x/%08x/%08x/%08x)\n\n",
-	             dp->dl_stateid.si_boot,
-	             dp->dl_stateid.si_stateownerid,
-	             dp->dl_stateid.si_fileid,
-	             dp->dl_stateid.si_generation);
+	dprintk("NFSD: delegation stateid=" STATEID_FMT "\n",
+		STATEID_VAL(&dp->dl_stateid));
 out:
 	if (open->op_claim_type == NFS4_OPEN_CLAIM_PREVIOUS
 			&& flag == NFS4_OPEN_DELEGATE_NONE
@@ -2498,9 +2508,8 @@
 
 	status = nfs_ok;
 
-	dprintk("nfs4_process_open2: stateid=(%08x/%08x/%08x/%08x)\n",
-	            stp->st_stateid.si_boot, stp->st_stateid.si_stateownerid,
-	            stp->st_stateid.si_fileid, stp->st_stateid.si_generation);
+	dprintk("%s: stateid=" STATEID_FMT "\n", __func__,
+		STATEID_VAL(&stp->st_stateid));
 out:
 	if (fp)
 		put_nfs4_file(fp);
@@ -2666,9 +2675,8 @@
 {
 	if (time_after((unsigned long)boot_time,
 			(unsigned long)stateid->si_boot)) {
-		dprintk("NFSD: stale stateid (%08x/%08x/%08x/%08x)!\n",
-			stateid->si_boot, stateid->si_stateownerid,
-			stateid->si_fileid, stateid->si_generation);
+		dprintk("NFSD: stale stateid " STATEID_FMT "!\n",
+			STATEID_VAL(stateid));
 		return 1;
 	}
 	return 0;
@@ -2680,9 +2688,8 @@
 	if (time_before((unsigned long)boot_time,
 			((unsigned long)stateid->si_boot)) &&
 	    time_before((unsigned long)(stateid->si_boot + lease_time), get_seconds())) {
-		dprintk("NFSD: expired stateid (%08x/%08x/%08x/%08x)!\n",
-			stateid->si_boot, stateid->si_stateownerid,
-			stateid->si_fileid, stateid->si_generation);
+		dprintk("NFSD: expired stateid " STATEID_FMT "!\n",
+			STATEID_VAL(stateid));
 		return 1;
 	}
 	return 0;
@@ -2696,9 +2703,8 @@
 	if (EXPIRED_STATEID(stateid))
 		return nfserr_expired;
 
-	dprintk("NFSD: bad stateid (%08x/%08x/%08x/%08x)!\n",
-		stateid->si_boot, stateid->si_stateownerid,
-		stateid->si_fileid, stateid->si_generation);
+	dprintk("NFSD: bad stateid " STATEID_FMT "!\n",
+		STATEID_VAL(stateid));
 	return nfserr_bad_stateid;
 }
 
@@ -2884,10 +2890,8 @@
 	struct svc_fh *current_fh = &cstate->current_fh;
 	__be32 status;
 
-	dprintk("NFSD: preprocess_seqid_op: seqid=%d " 
-			"stateid = (%08x/%08x/%08x/%08x)\n", seqid,
-		stateid->si_boot, stateid->si_stateownerid, stateid->si_fileid,
-		stateid->si_generation);
+	dprintk("NFSD: %s: seqid=%d stateid = " STATEID_FMT "\n", __func__,
+		seqid, STATEID_VAL(stateid));
 
 	*stpp = NULL;
 	*sopp = NULL;
@@ -3019,12 +3023,8 @@
 	sop->so_confirmed = 1;
 	update_stateid(&stp->st_stateid);
 	memcpy(&oc->oc_resp_stateid, &stp->st_stateid, sizeof(stateid_t));
-	dprintk("NFSD: nfsd4_open_confirm: success, seqid=%d " 
-		"stateid=(%08x/%08x/%08x/%08x)\n", oc->oc_seqid,
-		         stp->st_stateid.si_boot,
-		         stp->st_stateid.si_stateownerid,
-		         stp->st_stateid.si_fileid,
-		         stp->st_stateid.si_generation);
+	dprintk("NFSD: %s: success, seqid=%d stateid=" STATEID_FMT "\n",
+		__func__, oc->oc_seqid, STATEID_VAL(&stp->st_stateid));
 
 	nfsd4_create_clid_dir(sop->so_client);
 out:
@@ -3283,9 +3283,8 @@
 	struct nfs4_file *fp;
 	struct nfs4_delegation *dl;
 
-	dprintk("NFSD:find_delegation_stateid stateid=(%08x/%08x/%08x/%08x)\n",
-                    stid->si_boot, stid->si_stateownerid,
-                    stid->si_fileid, stid->si_generation);
+	dprintk("NFSD: %s: stateid=" STATEID_FMT "\n", __func__,
+		STATEID_VAL(stid));
 
 	fp = find_file(ino);
 	if (!fp)
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 0fbd50c..db0fc55 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -57,6 +57,7 @@
 #include <linux/nfs4_acl.h>
 #include <linux/sunrpc/gss_api.h>
 #include <linux/sunrpc/svcauth_gss.h>
+#include "vfs.h"
 
 #define NFSDDBG_FACILITY		NFSDDBG_XDR
 
diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c
index 01965b2..d0d8a21 100644
--- a/fs/nfsd/nfsfh.c
+++ b/fs/nfsd/nfsfh.c
@@ -22,6 +22,7 @@
 #include <linux/sunrpc/svc.h>
 #include <linux/sunrpc/svcauth_gss.h>
 #include <linux/nfsd/nfsd.h>
+#include "vfs.h"
 #include "auth.h"
 
 #define NFSDDBG_FACILITY		NFSDDBG_FH
diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c
index 0eb9c82..6c967e1 100644
--- a/fs/nfsd/nfsproc.c
+++ b/fs/nfsd/nfsproc.c
@@ -24,6 +24,7 @@
 #include <linux/nfsd/nfsd.h>
 #include <linux/nfsd/cache.h>
 #include <linux/nfsd/xdr.h>
+#include "vfs.h"
 
 typedef struct svc_rqst	svc_rqst;
 typedef struct svc_buf	svc_buf;
@@ -758,6 +759,7 @@
 		{ nfserr_io, -ETXTBSY },
 		{ nfserr_notsupp, -EOPNOTSUPP },
 		{ nfserr_toosmall, -ETOOSMALL },
+		{ nfserr_serverfault, -ESERVERFAULT },
 	};
 	int	i;
 
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index 67ea83e..2944b31 100644
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -35,6 +35,7 @@
 #include <linux/lockd/bind.h>
 #include <linux/nfsacl.h>
 #include <linux/seq_file.h>
+#include "vfs.h"
 
 #define NFSDDBG_FACILITY	NFSDDBG_SVC
 
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index a293f02..a7038ed 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -56,6 +56,7 @@
 #endif /* CONFIG_NFSD_V4 */
 #include <linux/jhash.h>
 #include <linux/ima.h>
+#include "vfs.h"
 
 #include <asm/uaccess.h>
 
@@ -141,6 +142,40 @@
 	return err;
 }
 
+static void follow_to_parent(struct path *path)
+{
+	struct dentry *dp;
+
+	while (path->dentry == path->mnt->mnt_root && follow_up(path))
+		;
+	dp = dget_parent(path->dentry);
+	dput(path->dentry);
+	path->dentry = dp;
+}
+
+static int nfsd_lookup_parent(struct svc_rqst *rqstp, struct dentry *dparent, struct svc_export **exp, struct dentry **dentryp)
+{
+	struct svc_export *exp2;
+	struct path path = {.mnt = mntget((*exp)->ex_path.mnt),
+			    .dentry = dget(dparent)};
+
+	follow_to_parent(&path);
+
+	exp2 = rqst_exp_parent(rqstp, &path);
+	if (PTR_ERR(exp2) == -ENOENT) {
+		*dentryp = dget(dparent);
+	} else if (IS_ERR(exp2)) {
+		path_put(&path);
+		return PTR_ERR(exp2);
+	} else {
+		*dentryp = dget(path.dentry);
+		exp_put(*exp);
+		*exp = exp2;
+	}
+	path_put(&path);
+	return 0;
+}
+
 __be32
 nfsd_lookup_dentry(struct svc_rqst *rqstp, struct svc_fh *fhp,
 		   const char *name, unsigned int len,
@@ -169,35 +204,13 @@
 			dentry = dget(dparent);
 		else if (dparent != exp->ex_path.dentry)
 			dentry = dget_parent(dparent);
-		else if (!EX_NOHIDE(exp))
+		else if (!EX_NOHIDE(exp) && !nfsd_v4client(rqstp))
 			dentry = dget(dparent); /* .. == . just like at / */
 		else {
 			/* checking mountpoint crossing is very different when stepping up */
-			struct svc_export *exp2 = NULL;
-			struct dentry *dp;
-			struct path path = {.mnt = mntget(exp->ex_path.mnt),
-					    .dentry = dget(dparent)};
-
-			while (path.dentry == path.mnt->mnt_root &&
-			       follow_up(&path))
-				;
-			dp = dget_parent(path.dentry);
-			dput(path.dentry);
-			path.dentry = dp;
-
-			exp2 = rqst_exp_parent(rqstp, &path);
-			if (PTR_ERR(exp2) == -ENOENT) {
-				dentry = dget(dparent);
-			} else if (IS_ERR(exp2)) {
-				host_err = PTR_ERR(exp2);
-				path_put(&path);
+			host_err = nfsd_lookup_parent(rqstp, dparent, &exp, &dentry);
+			if (host_err)
 				goto out_nfserr;
-			} else {
-				dentry = dget(path.dentry);
-				exp_put(exp);
-				exp = exp2;
-			}
-			path_put(&path);
 		}
 	} else {
 		fh_lock(fhp);
diff --git a/fs/nfsd/vfs.h b/fs/nfsd/vfs.h
new file mode 100644
index 0000000..b8011fd
--- /dev/null
+++ b/fs/nfsd/vfs.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef LINUX_NFSD_VFS_H
+#define LINUX_NFSD_VFS_H
+
+/*
+ * Flags for nfsd_permission
+ */
+#define NFSD_MAY_NOP		0
+#define NFSD_MAY_EXEC		1 /* == MAY_EXEC */
+#define NFSD_MAY_WRITE		2 /* == MAY_WRITE */
+#define NFSD_MAY_READ		4 /* == MAY_READ */
+#define NFSD_MAY_SATTR		8
+#define NFSD_MAY_TRUNC		16
+#define NFSD_MAY_LOCK		32
+#define NFSD_MAY_OWNER_OVERRIDE	64
+#define NFSD_MAY_LOCAL_ACCESS	128 /* IRIX doing local access check on device special file*/
+#define NFSD_MAY_BYPASS_GSS_ON_ROOT 256
+
+#define NFSD_MAY_CREATE		(NFSD_MAY_EXEC|NFSD_MAY_WRITE)
+#define NFSD_MAY_REMOVE		(NFSD_MAY_EXEC|NFSD_MAY_WRITE|NFSD_MAY_TRUNC)
+
+/*
+ * Callback function for readdir
+ */
+typedef int (*nfsd_dirop_t)(struct inode *, struct dentry *, int, int);
+
+/* nfsd/vfs.c */
+int		fh_lock_parent(struct svc_fh *, struct dentry *);
+int		nfsd_racache_init(int);
+void		nfsd_racache_shutdown(void);
+int		nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp,
+		                struct svc_export **expp);
+__be32		nfsd_lookup(struct svc_rqst *, struct svc_fh *,
+				const char *, unsigned int, struct svc_fh *);
+__be32		 nfsd_lookup_dentry(struct svc_rqst *, struct svc_fh *,
+				const char *, unsigned int,
+				struct svc_export **, struct dentry **);
+__be32		nfsd_setattr(struct svc_rqst *, struct svc_fh *,
+				struct iattr *, int, time_t);
+#ifdef CONFIG_NFSD_V4
+__be32          nfsd4_set_nfs4_acl(struct svc_rqst *, struct svc_fh *,
+                    struct nfs4_acl *);
+int             nfsd4_get_nfs4_acl(struct svc_rqst *, struct dentry *, struct nfs4_acl **);
+#endif /* CONFIG_NFSD_V4 */
+__be32		nfsd_create(struct svc_rqst *, struct svc_fh *,
+				char *name, int len, struct iattr *attrs,
+				int type, dev_t rdev, struct svc_fh *res);
+#ifdef CONFIG_NFSD_V3
+__be32		nfsd_access(struct svc_rqst *, struct svc_fh *, u32 *, u32 *);
+__be32		nfsd_create_v3(struct svc_rqst *, struct svc_fh *,
+				char *name, int len, struct iattr *attrs,
+				struct svc_fh *res, int createmode,
+				u32 *verifier, int *truncp, int *created);
+__be32		nfsd_commit(struct svc_rqst *, struct svc_fh *,
+				loff_t, unsigned long);
+#endif /* CONFIG_NFSD_V3 */
+__be32		nfsd_open(struct svc_rqst *, struct svc_fh *, int,
+				int, struct file **);
+void		nfsd_close(struct file *);
+__be32 		nfsd_read(struct svc_rqst *, struct svc_fh *, struct file *,
+				loff_t, struct kvec *, int, unsigned long *);
+__be32 		nfsd_write(struct svc_rqst *, struct svc_fh *,struct file *,
+				loff_t, struct kvec *,int, unsigned long *, int *);
+__be32		nfsd_readlink(struct svc_rqst *, struct svc_fh *,
+				char *, int *);
+__be32		nfsd_symlink(struct svc_rqst *, struct svc_fh *,
+				char *name, int len, char *path, int plen,
+				struct svc_fh *res, struct iattr *);
+__be32		nfsd_link(struct svc_rqst *, struct svc_fh *,
+				char *, int, struct svc_fh *);
+__be32		nfsd_rename(struct svc_rqst *,
+				struct svc_fh *, char *, int,
+				struct svc_fh *, char *, int);
+__be32		nfsd_remove(struct svc_rqst *,
+				struct svc_fh *, char *, int);
+__be32		nfsd_unlink(struct svc_rqst *, struct svc_fh *, int type,
+				char *name, int len);
+int		nfsd_truncate(struct svc_rqst *, struct svc_fh *,
+				unsigned long size);
+__be32		nfsd_readdir(struct svc_rqst *, struct svc_fh *,
+			     loff_t *, struct readdir_cd *, filldir_t);
+__be32		nfsd_statfs(struct svc_rqst *, struct svc_fh *,
+				struct kstatfs *, int access);
+
+int		nfsd_notify_change(struct inode *, struct iattr *);
+__be32		nfsd_permission(struct svc_rqst *, struct svc_export *,
+				struct dentry *, int);
+int		nfsd_sync_dir(struct dentry *dp);
+
+#if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)
+struct posix_acl *nfsd_get_posix_acl(struct svc_fh *, int);
+int nfsd_set_posix_acl(struct svc_fh *, int, struct posix_acl *);
+#endif
+
+#endif /* LINUX_NFSD_VFS_H */
diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h
index 27e772c..dc12f41 100644
--- a/include/linux/exportfs.h
+++ b/include/linux/exportfs.h
@@ -97,7 +97,7 @@
  * @get_name:       find the name for a given inode in a given directory
  * @get_parent:     find the parent of a given directory
  *
- * See Documentation/filesystems/Exporting for details on how to use
+ * See Documentation/filesystems/nfs/Exporting for details on how to use
  * this interface correctly.
  *
  * encode_fh:
diff --git a/include/linux/nfsd/nfsd.h b/include/linux/nfsd/nfsd.h
index 510ffdd..e4518d0 100644
--- a/include/linux/nfsd/nfsd.h
+++ b/include/linux/nfsd/nfsd.h
@@ -25,30 +25,10 @@
  */
 #define NFSD_SUPPORTED_MINOR_VERSION	1
 
-/*
- * Flags for nfsd_permission
- */
-#define NFSD_MAY_NOP		0
-#define NFSD_MAY_EXEC		1 /* == MAY_EXEC */
-#define NFSD_MAY_WRITE		2 /* == MAY_WRITE */
-#define NFSD_MAY_READ		4 /* == MAY_READ */
-#define NFSD_MAY_SATTR		8
-#define NFSD_MAY_TRUNC		16
-#define NFSD_MAY_LOCK		32
-#define NFSD_MAY_OWNER_OVERRIDE	64
-#define NFSD_MAY_LOCAL_ACCESS	128 /* IRIX doing local access check on device special file*/
-#define NFSD_MAY_BYPASS_GSS_ON_ROOT 256
-
-#define NFSD_MAY_CREATE		(NFSD_MAY_EXEC|NFSD_MAY_WRITE)
-#define NFSD_MAY_REMOVE		(NFSD_MAY_EXEC|NFSD_MAY_WRITE|NFSD_MAY_TRUNC)
-
-/*
- * Callback function for readdir
- */
 struct readdir_cd {
 	__be32			err;	/* 0, nfserr, or nfserr_eof */
 };
-typedef int (*nfsd_dirop_t)(struct inode *, struct dentry *, int, int);
+
 
 extern struct svc_program	nfsd_program;
 extern struct svc_version	nfsd_version2, nfsd_version3,
@@ -73,69 +53,6 @@
 int		nfsd_get_nrthreads(int n, int *);
 int		nfsd_set_nrthreads(int n, int *);
 
-/* nfsd/vfs.c */
-int		fh_lock_parent(struct svc_fh *, struct dentry *);
-int		nfsd_racache_init(int);
-void		nfsd_racache_shutdown(void);
-int		nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp,
-		                struct svc_export **expp);
-__be32		nfsd_lookup(struct svc_rqst *, struct svc_fh *,
-				const char *, unsigned int, struct svc_fh *);
-__be32		 nfsd_lookup_dentry(struct svc_rqst *, struct svc_fh *,
-				const char *, unsigned int,
-				struct svc_export **, struct dentry **);
-__be32		nfsd_setattr(struct svc_rqst *, struct svc_fh *,
-				struct iattr *, int, time_t);
-#ifdef CONFIG_NFSD_V4
-__be32          nfsd4_set_nfs4_acl(struct svc_rqst *, struct svc_fh *,
-                    struct nfs4_acl *);
-int             nfsd4_get_nfs4_acl(struct svc_rqst *, struct dentry *, struct nfs4_acl **);
-#endif /* CONFIG_NFSD_V4 */
-__be32		nfsd_create(struct svc_rqst *, struct svc_fh *,
-				char *name, int len, struct iattr *attrs,
-				int type, dev_t rdev, struct svc_fh *res);
-#ifdef CONFIG_NFSD_V3
-__be32		nfsd_access(struct svc_rqst *, struct svc_fh *, u32 *, u32 *);
-__be32		nfsd_create_v3(struct svc_rqst *, struct svc_fh *,
-				char *name, int len, struct iattr *attrs,
-				struct svc_fh *res, int createmode,
-				u32 *verifier, int *truncp, int *created);
-__be32		nfsd_commit(struct svc_rqst *, struct svc_fh *,
-				loff_t, unsigned long);
-#endif /* CONFIG_NFSD_V3 */
-__be32		nfsd_open(struct svc_rqst *, struct svc_fh *, int,
-				int, struct file **);
-void		nfsd_close(struct file *);
-__be32 		nfsd_read(struct svc_rqst *, struct svc_fh *, struct file *,
-				loff_t, struct kvec *, int, unsigned long *);
-__be32 		nfsd_write(struct svc_rqst *, struct svc_fh *,struct file *,
-				loff_t, struct kvec *,int, unsigned long *, int *);
-__be32		nfsd_readlink(struct svc_rqst *, struct svc_fh *,
-				char *, int *);
-__be32		nfsd_symlink(struct svc_rqst *, struct svc_fh *,
-				char *name, int len, char *path, int plen,
-				struct svc_fh *res, struct iattr *);
-__be32		nfsd_link(struct svc_rqst *, struct svc_fh *,
-				char *, int, struct svc_fh *);
-__be32		nfsd_rename(struct svc_rqst *,
-				struct svc_fh *, char *, int,
-				struct svc_fh *, char *, int);
-__be32		nfsd_remove(struct svc_rqst *,
-				struct svc_fh *, char *, int);
-__be32		nfsd_unlink(struct svc_rqst *, struct svc_fh *, int type,
-				char *name, int len);
-int		nfsd_truncate(struct svc_rqst *, struct svc_fh *,
-				unsigned long size);
-__be32		nfsd_readdir(struct svc_rqst *, struct svc_fh *,
-			     loff_t *, struct readdir_cd *, filldir_t);
-__be32		nfsd_statfs(struct svc_rqst *, struct svc_fh *,
-				struct kstatfs *, int access);
-
-int		nfsd_notify_change(struct inode *, struct iattr *);
-__be32		nfsd_permission(struct svc_rqst *, struct svc_export *,
-				struct dentry *, int);
-int		nfsd_sync_dir(struct dentry *dp);
-
 #if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)
 #ifdef CONFIG_NFSD_V2_ACL
 extern struct svc_version nfsd_acl_version2;
@@ -147,8 +64,6 @@
 #else
 #define nfsd_acl_version3 NULL
 #endif
-struct posix_acl *nfsd_get_posix_acl(struct svc_fh *, int);
-int nfsd_set_posix_acl(struct svc_fh *, int, struct posix_acl *);
 #endif
 
 enum vers_op {NFSD_SET, NFSD_CLEAR, NFSD_TEST, NFSD_AVAIL };
diff --git a/include/linux/nfsd/state.h b/include/linux/nfsd/state.h
index b38d113..5aadf8a 100644
--- a/include/linux/nfsd/state.h
+++ b/include/linux/nfsd/state.h
@@ -60,6 +60,13 @@
 #define si_stateownerid   si_opaque.so_stateownerid
 #define si_fileid         si_opaque.so_fileid
 
+#define STATEID_FMT	"(%08x/%08x/%08x/%08x)"
+#define STATEID_VAL(s) \
+	(s)->si_boot, \
+	(s)->si_stateownerid, \
+	(s)->si_fileid, \
+	(s)->si_generation
+
 struct nfsd4_cb_sequence {
 	/* args/res */
 	u32			cbs_minorversion;
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 52e8cb0..d1567d6 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -29,7 +29,6 @@
 	unsigned long	packets;
 	unsigned long	sockets_queued;
 	unsigned long	threads_woken;
-	unsigned long	overloads_avoided;
 	unsigned long	threads_timedout;
 };
 
@@ -50,7 +49,6 @@
 	struct list_head	sp_sockets;	/* pending sockets */
 	unsigned int		sp_nrthreads;	/* # of threads in pool */
 	struct list_head	sp_all_threads;	/* all server threads */
-	int			sp_nwaking;	/* number of threads woken but not yet active */
 	struct svc_pool_stats	sp_stats;	/* statistics on pool operation */
 } ____cacheline_aligned_in_smp;
 
@@ -284,7 +282,6 @@
 						 * cache pages */
 	wait_queue_head_t	rq_wait;	/* synchronization */
 	struct task_struct	*rq_task;	/* service thread */
-	int			rq_waking;	/* 1 if thread is being woken */
 };
 
 /*
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index 70491d9..0c94a1a 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -166,7 +166,7 @@
 
 	  If unsure, say Y. Note that if you want to use DHCP, a DHCP server
 	  must be operating on your network.  Read
-	  <file:Documentation/filesystems/nfsroot.txt> for details.
+	  <file:Documentation/filesystems/nfs/nfsroot.txt> for details.
 
 config IP_PNP_BOOTP
 	bool "IP: BOOTP support"
@@ -181,7 +181,7 @@
 	  does BOOTP itself, providing all necessary information on the kernel
 	  command line, you can say N here. If unsure, say Y. Note that if you
 	  want to use BOOTP, a BOOTP server must be operating on your network.
-	  Read <file:Documentation/filesystems/nfsroot.txt> for details.
+	  Read <file:Documentation/filesystems/nfs/nfsroot.txt> for details.
 
 config IP_PNP_RARP
 	bool "IP: RARP support"
@@ -194,7 +194,7 @@
 	  older protocol which is being obsoleted by BOOTP and DHCP), say Y
 	  here. Note that if you want to use RARP, a RARP server must be
 	  operating on your network. Read
-	  <file:Documentation/filesystems/nfsroot.txt> for details.
+	  <file:Documentation/filesystems/nfs/nfsroot.txt> for details.
 
 # not yet ready..
 #   bool '    IP: ARP support' CONFIG_IP_PNP_ARP
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index f8d04c2..7dcbf47 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -1447,7 +1447,7 @@
 
 /*
  *  Decode any IP configuration options in the "ip=" or "nfsaddrs=" kernel
- *  command line parameter.  See Documentation/filesystems/nfsroot.txt.
+ *  command line parameter.  See Documentation/filesystems/nfs/nfsroot.txt.
  */
 static int __init ic_proto_name(char *name)
 {
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index df124f7..2c58b75 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -16,8 +16,6 @@
 
 #define RPCDBG_FACILITY	RPCDBG_SVCXPRT
 
-#define SVC_MAX_WAKING 5
-
 static struct svc_deferred_req *svc_deferred_dequeue(struct svc_xprt *xprt);
 static int svc_deferred_recv(struct svc_rqst *rqstp);
 static struct cache_deferred_req *svc_defer(struct cache_req *req);
@@ -306,7 +304,6 @@
 	struct svc_pool *pool;
 	struct svc_rqst	*rqstp;
 	int cpu;
-	int thread_avail;
 
 	if (!(xprt->xpt_flags &
 	      ((1<<XPT_CONN)|(1<<XPT_DATA)|(1<<XPT_CLOSE)|(1<<XPT_DEFERRED))))
@@ -318,6 +315,12 @@
 
 	spin_lock_bh(&pool->sp_lock);
 
+	if (!list_empty(&pool->sp_threads) &&
+	    !list_empty(&pool->sp_sockets))
+		printk(KERN_ERR
+		       "svc_xprt_enqueue: "
+		       "threads and transports both waiting??\n");
+
 	if (test_bit(XPT_DEAD, &xprt->xpt_flags)) {
 		/* Don't enqueue dead transports */
 		dprintk("svc: transport %p is dead, not enqueued\n", xprt);
@@ -358,15 +361,7 @@
 	}
 
  process:
-	/* Work out whether threads are available */
-	thread_avail = !list_empty(&pool->sp_threads);	/* threads are asleep */
-	if (pool->sp_nwaking >= SVC_MAX_WAKING) {
-		/* too many threads are runnable and trying to wake up */
-		thread_avail = 0;
-		pool->sp_stats.overloads_avoided++;
-	}
-
-	if (thread_avail) {
+	if (!list_empty(&pool->sp_threads)) {
 		rqstp = list_entry(pool->sp_threads.next,
 				   struct svc_rqst,
 				   rq_list);
@@ -381,8 +376,6 @@
 		svc_xprt_get(xprt);
 		rqstp->rq_reserved = serv->sv_max_mesg;
 		atomic_add(rqstp->rq_reserved, &xprt->xpt_reserved);
-		rqstp->rq_waking = 1;
-		pool->sp_nwaking++;
 		pool->sp_stats.threads_woken++;
 		BUG_ON(xprt->xpt_pool != pool);
 		wake_up(&rqstp->rq_wait);
@@ -651,11 +644,6 @@
 		return -EINTR;
 
 	spin_lock_bh(&pool->sp_lock);
-	if (rqstp->rq_waking) {
-		rqstp->rq_waking = 0;
-		pool->sp_nwaking--;
-		BUG_ON(pool->sp_nwaking < 0);
-	}
 	xprt = svc_xprt_dequeue(pool);
 	if (xprt) {
 		rqstp->rq_xprt = xprt;
@@ -1204,16 +1192,15 @@
 	struct svc_pool *pool = p;
 
 	if (p == SEQ_START_TOKEN) {
-		seq_puts(m, "# pool packets-arrived sockets-enqueued threads-woken overloads-avoided threads-timedout\n");
+		seq_puts(m, "# pool packets-arrived sockets-enqueued threads-woken threads-timedout\n");
 		return 0;
 	}
 
-	seq_printf(m, "%u %lu %lu %lu %lu %lu\n",
+	seq_printf(m, "%u %lu %lu %lu %lu\n",
 		pool->sp_id,
 		pool->sp_stats.packets,
 		pool->sp_stats.sockets_queued,
 		pool->sp_stats.threads_woken,
-		pool->sp_stats.overloads_avoided,
 		pool->sp_stats.threads_timedout);
 
 	return 0;
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index 117f68a..97cc3de 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -655,23 +655,25 @@
 		return NULL;
 }
 
-static int unix_gid_find(uid_t uid, struct group_info **gip,
-			 struct svc_rqst *rqstp)
+static struct group_info *unix_gid_find(uid_t uid, struct svc_rqst *rqstp)
 {
-	struct unix_gid *ug = unix_gid_lookup(uid);
+	struct unix_gid *ug;
+	struct group_info *gi;
+	int ret;
+
+	ug = unix_gid_lookup(uid);
 	if (!ug)
-		return -EAGAIN;
-	switch (cache_check(&unix_gid_cache, &ug->h, &rqstp->rq_chandle)) {
+		return ERR_PTR(-EAGAIN);
+	ret = cache_check(&unix_gid_cache, &ug->h, &rqstp->rq_chandle);
+	switch (ret) {
 	case -ENOENT:
-		*gip = NULL;
-		return 0;
+		return ERR_PTR(-ENOENT);
 	case 0:
-		*gip = ug->gi;
-		get_group_info(*gip);
+		gi = get_group_info(ug->gi);
 		cache_put(&ug->h, &unix_gid_cache);
-		return 0;
+		return gi;
 	default:
-		return -EAGAIN;
+		return ERR_PTR(-EAGAIN);
 	}
 }
 
@@ -681,6 +683,8 @@
 	struct sockaddr_in *sin;
 	struct sockaddr_in6 *sin6, sin6_storage;
 	struct ip_map *ipm;
+	struct group_info *gi;
+	struct svc_cred *cred = &rqstp->rq_cred;
 
 	switch (rqstp->rq_addr.ss_family) {
 	case AF_INET:
@@ -722,6 +726,17 @@
 			ip_map_cached_put(rqstp, ipm);
 			break;
 	}
+
+	gi = unix_gid_find(cred->cr_uid, rqstp);
+	switch (PTR_ERR(gi)) {
+	case -EAGAIN:
+		return SVC_DROP;
+	case -ENOENT:
+		break;
+	default:
+		put_group_info(cred->cr_group_info);
+		cred->cr_group_info = gi;
+	}
 	return SVC_OK;
 }
 
@@ -818,19 +833,11 @@
 	slen = svc_getnl(argv);			/* gids length */
 	if (slen > 16 || (len -= (slen + 2)*4) < 0)
 		goto badcred;
-	if (unix_gid_find(cred->cr_uid, &cred->cr_group_info, rqstp)
-	    == -EAGAIN)
+	cred->cr_group_info = groups_alloc(slen);
+	if (cred->cr_group_info == NULL)
 		return SVC_DROP;
-	if (cred->cr_group_info == NULL) {
-		cred->cr_group_info = groups_alloc(slen);
-		if (cred->cr_group_info == NULL)
-			return SVC_DROP;
-		for (i = 0; i < slen; i++)
-			GROUP_AT(cred->cr_group_info, i) = svc_getnl(argv);
-	} else {
-		for (i = 0; i < slen ; i++)
-			svc_getnl(argv);
-	}
+	for (i = 0; i < slen; i++)
+		GROUP_AT(cred->cr_group_info, i) = svc_getnl(argv);
 	if (svc_getu32(argv) != htonl(RPC_AUTH_NULL) || svc_getu32(argv) != 0) {
 		*authp = rpc_autherr_badverf;
 		return SVC_DENIED;