Merge branch 'consolidate-clksrc-i8253' of master.kernel.org:~rmk/linux-2.6-arm into timers/clocksource

Conflicts:
	arch/ia64/kernel/cyclone.c
	arch/mips/kernel/i8253.c
	arch/x86/kernel/i8253.c

Reason: Resolve conflicts so further cleanups do not conflict further

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 337 insertions, 55 deletions

diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 4e2c168b6ee..c3ccd2c4683 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -46,6 +46,7 @@
 #include <linux/kdev_t.h>
 #include <linux/sunrpc/clnt.h>
 #include <linux/sunrpc/msg_prot.h>
+#include <linux/sunrpc/gss_api.h>
 #include <linux/nfs.h>
 #include <linux/nfs4.h>
 #include <linux/nfs_fs.h>
@@ -112,7 +113,7 @@ static int nfs4_stat_to_errno(int);
 #define encode_restorefh_maxsz  (op_encode_hdr_maxsz)
 #define decode_restorefh_maxsz  (op_decode_hdr_maxsz)
 #define encode_fsinfo_maxsz	(encode_getattr_maxsz)
-#define decode_fsinfo_maxsz	(op_decode_hdr_maxsz + 11)
+#define decode_fsinfo_maxsz	(op_decode_hdr_maxsz + 15)
 #define encode_renew_maxsz	(op_encode_hdr_maxsz + 3)
 #define decode_renew_maxsz	(op_decode_hdr_maxsz)
 #define encode_setclientid_maxsz \
@@ -253,6 +254,8 @@ static int nfs4_stat_to_errno(int);
 				(encode_getattr_maxsz)
 #define decode_fs_locations_maxsz \
 				(0)
+#define encode_secinfo_maxsz	(op_encode_hdr_maxsz + nfs4_name_maxsz)
+#define decode_secinfo_maxsz	(op_decode_hdr_maxsz + 4 + (NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)))
 
 #if defined(CONFIG_NFS_V4_1)
 #define NFS4_MAX_MACHINE_NAME_LEN (64)
@@ -324,6 +327,18 @@ static int nfs4_stat_to_errno(int);
 #define decode_layoutget_maxsz	(op_decode_hdr_maxsz + 8 + \
 				decode_stateid_maxsz + \
 				XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE))
+#define encode_layoutcommit_maxsz (op_encode_hdr_maxsz +          \
+				2 /* offset */ + \
+				2 /* length */ + \
+				1 /* reclaim */ + \
+				encode_stateid_maxsz + \
+				1 /* new offset (true) */ + \
+				2 /* last byte written */ + \
+				1 /* nt_timechanged (false) */ + \
+				1 /* layoutupdate4 layout type */ + \
+				1 /* NULL filelayout layoutupdate4 payload */)
+#define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3)
+
 #else /* CONFIG_NFS_V4_1 */
 #define encode_sequence_maxsz	0
 #define decode_sequence_maxsz	0
@@ -676,6 +691,14 @@ static int nfs4_stat_to_errno(int);
 				 decode_putfh_maxsz + \
 				 decode_lookup_maxsz + \
 				 decode_fs_locations_maxsz)
+#define NFS4_enc_secinfo_sz 	(compound_encode_hdr_maxsz + \
+				encode_sequence_maxsz + \
+				encode_putfh_maxsz + \
+				encode_secinfo_maxsz)
+#define NFS4_dec_secinfo_sz	(compound_decode_hdr_maxsz + \
+				decode_sequence_maxsz + \
+				decode_putfh_maxsz + \
+				decode_secinfo_maxsz)
 #if defined(CONFIG_NFS_V4_1)
 #define NFS4_enc_exchange_id_sz \
 				(compound_encode_hdr_maxsz + \
@@ -727,6 +750,17 @@ static int nfs4_stat_to_errno(int);
 				decode_sequence_maxsz + \
 				decode_putfh_maxsz +        \
 				decode_layoutget_maxsz)
+#define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \
+				encode_sequence_maxsz +\
+				encode_putfh_maxsz + \
+				encode_layoutcommit_maxsz + \
+				encode_getattr_maxsz)
+#define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \
+				decode_sequence_maxsz + \
+				decode_putfh_maxsz + \
+				decode_layoutcommit_maxsz + \
+				decode_getattr_maxsz)
+
 
 const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH +
 				      compound_encode_hdr_maxsz +
@@ -844,7 +878,7 @@ static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const
 	if (iap->ia_valid & ATTR_MODE)
 		len += 4;
 	if (iap->ia_valid & ATTR_UID) {
-		owner_namelen = nfs_map_uid_to_name(server->nfs_client, iap->ia_uid, owner_name, IDMAP_NAMESZ);
+		owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ);
 		if (owner_namelen < 0) {
 			dprintk("nfs: couldn't resolve uid %d to string\n",
 					iap->ia_uid);
@@ -856,7 +890,7 @@ static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const
 		len += 4 + (XDR_QUADLEN(owner_namelen) << 2);
 	}
 	if (iap->ia_valid & ATTR_GID) {
-		owner_grouplen = nfs_map_gid_to_group(server->nfs_client, iap->ia_gid, owner_group, IDMAP_NAMESZ);
+		owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ);
 		if (owner_grouplen < 0) {
 			dprintk("nfs: couldn't resolve gid %d to string\n",
 					iap->ia_gid);
@@ -1384,7 +1418,7 @@ static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr)
 	hdr->replen += decode_putrootfh_maxsz;
 }
 
-static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx, const struct nfs_lock_context *l_ctx)
+static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx, const struct nfs_lock_context *l_ctx, int zero_seqid)
 {
 	nfs4_stateid stateid;
 	__be32 *p;
@@ -1392,6 +1426,8 @@ static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context
 	p = reserve_space(xdr, NFS4_STATEID_SIZE);
 	if (ctx->state != NULL) {
 		nfs4_copy_stateid(&stateid, ctx->state, l_ctx->lockowner, l_ctx->pid);
+		if (zero_seqid)
+			stateid.stateid.seqid = 0;
 		xdr_encode_opaque_fixed(p, stateid.data, NFS4_STATEID_SIZE);
 	} else
 		xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE);
@@ -1404,7 +1440,8 @@ static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args,
 	p = reserve_space(xdr, 4);
 	*p = cpu_to_be32(OP_READ);
 
-	encode_stateid(xdr, args->context, args->lock_context);
+	encode_stateid(xdr, args->context, args->lock_context,
+		       hdr->minorversion);
 
 	p = reserve_space(xdr, 12);
 	p = xdr_encode_hyper(p, args->offset);
@@ -1415,26 +1452,25 @@ static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args,
 
 static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr)
 {
-	uint32_t attrs[2] = {0, 0};
+	uint32_t attrs[2] = {
+		FATTR4_WORD0_RDATTR_ERROR,
+		FATTR4_WORD1_MOUNTED_ON_FILEID,
+	};
 	uint32_t dircount = readdir->count >> 1;
 	__be32 *p;
 
 	if (readdir->plus) {
 		attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE|
-			FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE;
+			FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID;
 		attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER|
 			FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV|
 			FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS|
 			FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY;
 		dircount >>= 1;
 	}
-	attrs[0] |= FATTR4_WORD0_RDATTR_ERROR|FATTR4_WORD0_FILEID;
-	attrs[1] |= FATTR4_WORD1_MOUNTED_ON_FILEID;
-	/* Switch to mounted_on_fileid if the server supports it */
-	if (readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)
-		attrs[0] &= ~FATTR4_WORD0_FILEID;
-	else
-		attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID;
+	/* Use mounted_on_fileid only if the server supports it */
+	if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID))
+		attrs[0] |= FATTR4_WORD0_FILEID;
 
 	p = reserve_space(xdr, 12+NFS4_VERIFIER_SIZE+20);
 	*p++ = cpu_to_be32(OP_READDIR);
@@ -1592,7 +1628,8 @@ static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *arg
 	p = reserve_space(xdr, 4);
 	*p = cpu_to_be32(OP_WRITE);
 
-	encode_stateid(xdr, args->context, args->lock_context);
+	encode_stateid(xdr, args->context, args->lock_context,
+		       hdr->minorversion);
 
 	p = reserve_space(xdr, 16);
 	p = xdr_encode_hyper(p, args->offset);
@@ -1616,6 +1653,18 @@ static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *state
 	hdr->replen += decode_delegreturn_maxsz;
 }
 
+static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr)
+{
+	int len = name->len;
+	__be32 *p;
+
+	p = reserve_space(xdr, 8 + len);
+	*p++ = cpu_to_be32(OP_SECINFO);
+	xdr_encode_opaque(p, name->name, len);
+	hdr->nops++;
+	hdr->replen += decode_secinfo_maxsz;
+}
+
 #if defined(CONFIG_NFS_V4_1)
 /* NFSv4.1 operations */
 static void encode_exchange_id(struct xdr_stream *xdr,
@@ -1660,7 +1709,7 @@ static void encode_create_session(struct xdr_stream *xdr,
 
 	p = reserve_space(xdr, 20 + 2*28 + 20 + len + 12);
 	*p++ = cpu_to_be32(OP_CREATE_SESSION);
-	p = xdr_encode_hyper(p, clp->cl_ex_clid);
+	p = xdr_encode_hyper(p, clp->cl_clientid);
 	*p++ = cpu_to_be32(clp->cl_seqid);			/*Sequence id */
 	*p++ = cpu_to_be32(args->flags);			/*flags */
 
@@ -1812,6 +1861,34 @@ encode_layoutget(struct xdr_stream *xdr,
 	hdr->nops++;
 	hdr->replen += decode_layoutget_maxsz;
 }
+
+static int
+encode_layoutcommit(struct xdr_stream *xdr,
+		    const struct nfs4_layoutcommit_args *args,
+		    struct compound_hdr *hdr)
+{
+	__be32 *p;
+
+	dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten,
+		NFS_SERVER(args->inode)->pnfs_curr_ld->id);
+
+	p = reserve_space(xdr, 48 + NFS4_STATEID_SIZE);
+	*p++ = cpu_to_be32(OP_LAYOUTCOMMIT);
+	/* Only whole file layouts */
+	p = xdr_encode_hyper(p, 0); /* offset */
+	p = xdr_encode_hyper(p, NFS4_MAX_UINT64); /* length */
+	*p++ = cpu_to_be32(0); /* reclaim */
+	p = xdr_encode_opaque_fixed(p, args->stateid.data, NFS4_STATEID_SIZE);
+	*p++ = cpu_to_be32(1); /* newoffset = TRUE */
+	p = xdr_encode_hyper(p, args->lastbytewritten);
+	*p++ = cpu_to_be32(0); /* Never send time_modify_changed */
+	*p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */
+	*p++ = cpu_to_be32(0); /* no file layout payload */
+
+	hdr->nops++;
+	hdr->replen += decode_layoutcommit_maxsz;
+	return 0;
+}
 #endif /* CONFIG_NFS_V4_1 */
 
 /*
@@ -2271,7 +2348,8 @@ static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr,
 	encode_putfh(xdr, args->fh, &hdr);
 	encode_write(xdr, args, &hdr);
 	req->rq_snd_buf.flags |= XDRBUF_WRITE;
-	encode_getfattr(xdr, args->bitmask, &hdr);
+	if (args->bitmask)
+		encode_getfattr(xdr, args->bitmask, &hdr);
 	encode_nops(&hdr);
 }
 
@@ -2289,7 +2367,8 @@ static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr,
 	encode_sequence(xdr, &args->seq_args, &hdr);
 	encode_putfh(xdr, args->fh, &hdr);
 	encode_commit(xdr, args, &hdr);
-	encode_getfattr(xdr, args->bitmask, &hdr);
+	if (args->bitmask)
+		encode_getfattr(xdr, args->bitmask, &hdr);
 	encode_nops(&hdr);
 }
 
@@ -2460,6 +2539,24 @@ static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req,
 	encode_nops(&hdr);
 }
 
+/*
+ * Encode SECINFO request
+ */
+static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req,
+				struct xdr_stream *xdr,
+				struct nfs4_secinfo_arg *args)
+{
+	struct compound_hdr hdr = {
+		.minorversion = nfs4_xdr_minorversion(&args->seq_args),
+	};
+
+	encode_compound_hdr(xdr, req, &hdr);
+	encode_sequence(xdr, &args->seq_args, &hdr);
+	encode_putfh(xdr, args->dir_fh, &hdr);
+	encode_secinfo(xdr, args->name, &hdr);
+	encode_nops(&hdr);
+}
+
 #if defined(CONFIG_NFS_V4_1)
 /*
  * EXCHANGE_ID request
@@ -2599,7 +2696,31 @@ static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req,
 	encode_sequence(xdr, &args->seq_args, &hdr);
 	encode_putfh(xdr, NFS_FH(args->inode), &hdr);
 	encode_layoutget(xdr, args, &hdr);
+
+	xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2,
+	    args->layout.pages, 0, args->layout.pglen);
+
+	encode_nops(&hdr);
+}
+
+/*
+ *  Encode LAYOUTCOMMIT request
+ */
+static int nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req,
+				     struct xdr_stream *xdr,
+				     struct nfs4_layoutcommit_args *args)
+{
+	struct compound_hdr hdr = {
+		.minorversion = nfs4_xdr_minorversion(&args->seq_args),
+	};
+
+	encode_compound_hdr(xdr, req, &hdr);
+	encode_sequence(xdr, &args->seq_args, &hdr);
+	encode_putfh(xdr, NFS_FH(args->inode), &hdr);
+	encode_layoutcommit(xdr, args, &hdr);
+	encode_getfattr(xdr, args->bitmask, &hdr);
 	encode_nops(&hdr);
+	return 0;
 }
 #endif /* CONFIG_NFS_V4_1 */
 
@@ -2920,6 +3041,7 @@ static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap)
 		if (unlikely(!p))
 			goto out_overflow;
 		bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR;
+		return -be32_to_cpup(p);
 	}
 	return 0;
 out_overflow:
@@ -3017,7 +3139,7 @@ static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitma
 			goto out_overflow;
 		xdr_decode_hyper(p, fileid);
 		bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID;
-		ret = NFS_ATTR_FATTR_FILEID;
+		ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID;
 	}
 	dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid);
 	return ret;
@@ -3382,7 +3504,7 @@ out_overflow:
 }
 
 static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap,
-		struct nfs_client *clp, uint32_t *uid, int may_sleep)
+		const struct nfs_server *server, uint32_t *uid, int may_sleep)
 {
 	uint32_t len;
 	__be32 *p;
@@ -3402,7 +3524,7 @@ static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap,
 		if (!may_sleep) {
 			/* do nothing */
 		} else if (len < XDR_MAX_NETOBJ) {
-			if (nfs_map_name_to_uid(clp, (char *)p, len, uid) == 0)
+			if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0)
 				ret = NFS_ATTR_FATTR_OWNER;
 			else
 				dprintk("%s: nfs_map_name_to_uid failed!\n",
@@ -3420,7 +3542,7 @@ out_overflow:
 }
 
 static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap,
-		struct nfs_client *clp, uint32_t *gid, int may_sleep)
+		const struct nfs_server *server, uint32_t *gid, int may_sleep)
 {
 	uint32_t len;
 	__be32 *p;
@@ -3440,7 +3562,7 @@ static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap,
 		if (!may_sleep) {
 			/* do nothing */
 		} else if (len < XDR_MAX_NETOBJ) {
-			if (nfs_map_group_to_gid(clp, (char *)p, len, gid) == 0)
+			if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0)
 				ret = NFS_ATTR_FATTR_GROUP;
 			else
 				dprintk("%s: nfs_map_group_to_gid failed!\n",
@@ -3879,7 +4001,6 @@ static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap,
 {
 	int status;
 	umode_t fmode = 0;
-	uint64_t fileid;
 	uint32_t type;
 
 	status = decode_attr_type(xdr, bitmap, &type);
@@ -3907,6 +4028,10 @@ static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap,
 	fattr->valid |= status;
 
 	status = decode_attr_error(xdr, bitmap);
+	if (status == -NFS4ERR_WRONGSEC) {
+		nfs_fixup_secinfo_attributes(fattr, fh);
+		status = 0;
+	}
 	if (status < 0)
 		goto xdr_error;
 
@@ -3939,14 +4064,12 @@ static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap,
 		goto xdr_error;
 	fattr->valid |= status;
 
-	status = decode_attr_owner(xdr, bitmap, server->nfs_client,
-			&fattr->uid, may_sleep);
+	status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, may_sleep);
 	if (status < 0)
 		goto xdr_error;
 	fattr->valid |= status;
 
-	status = decode_attr_group(xdr, bitmap, server->nfs_client,
-			&fattr->gid, may_sleep);
+	status = decode_attr_group(xdr, bitmap, server, &fattr->gid, may_sleep);
 	if (status < 0)
 		goto xdr_error;
 	fattr->valid |= status;
@@ -3976,13 +4099,10 @@ static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap,
 		goto xdr_error;
 	fattr->valid |= status;
 
-	status = decode_attr_mounted_on_fileid(xdr, bitmap, &fileid);
+	status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid);
 	if (status < 0)
 		goto xdr_error;
-	if (status != 0 && !(fattr->valid & status)) {
-		fattr->fileid = fileid;
-		fattr->valid |= status;
-	}
+	fattr->valid |= status;
 
 xdr_error:
 	dprintk("%s: xdr returned %d\n", __func__, -status);
@@ -4677,6 +4797,79 @@ static int decode_delegreturn(struct xdr_stream *xdr)
 	return decode_op_hdr(xdr, OP_DELEGRETURN);
 }
 
+static int decode_secinfo_gss(struct xdr_stream *xdr, struct nfs4_secinfo_flavor *flavor)
+{
+	__be32 *p;
+
+	p = xdr_inline_decode(xdr, 4);
+	if (unlikely(!p))
+		goto out_overflow;
+	flavor->gss.sec_oid4.len = be32_to_cpup(p);
+	if (flavor->gss.sec_oid4.len > GSS_OID_MAX_LEN)
+		goto out_err;
+
+	p = xdr_inline_decode(xdr, flavor->gss.sec_oid4.len);
+	if (unlikely(!p))
+		goto out_overflow;
+	memcpy(flavor->gss.sec_oid4.data, p, flavor->gss.sec_oid4.len);
+
+	p = xdr_inline_decode(xdr, 8);
+	if (unlikely(!p))
+		goto out_overflow;
+	flavor->gss.qop4 = be32_to_cpup(p++);
+	flavor->gss.service = be32_to_cpup(p);
+
+	return 0;
+
+out_overflow:
+	print_overflow_msg(__func__, xdr);
+	return -EIO;
+out_err:
+	return -EINVAL;
+}
+
+static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res)
+{
+	struct nfs4_secinfo_flavor *sec_flavor;
+	int status;
+	__be32 *p;
+	int i, num_flavors;
+
+	status = decode_op_hdr(xdr, OP_SECINFO);
+	if (status)
+		goto out;
+	p = xdr_inline_decode(xdr, 4);
+	if (unlikely(!p))
+		goto out_overflow;
+
+	res->flavors->num_flavors = 0;
+	num_flavors = be32_to_cpup(p);
+
+	for (i = 0; i < num_flavors; i++) {
+		sec_flavor = &res->flavors->flavors[i];
+		if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE)
+			break;
+
+		p = xdr_inline_decode(xdr, 4);
+		if (unlikely(!p))
+			goto out_overflow;
+		sec_flavor->flavor = be32_to_cpup(p);
+
+		if (sec_flavor->flavor == RPC_AUTH_GSS) {
+			status = decode_secinfo_gss(xdr, sec_flavor);
+			if (status)
+				goto out;
+		}
+		res->flavors->num_flavors++;
+	}
+
+out:
+	return status;
+out_overflow:
+	print_overflow_msg(__func__, xdr);
+	return -EIO;
+}
+
 #if defined(CONFIG_NFS_V4_1)
 static int decode_exchange_id(struct xdr_stream *xdr,
 			      struct nfs41_exchange_id_res *res)
@@ -4694,7 +4887,7 @@ static int decode_exchange_id(struct xdr_stream *xdr,
 	p = xdr_inline_decode(xdr, 8);
 	if (unlikely(!p))
 		goto out_overflow;
-	xdr_decode_hyper(p, &clp->cl_ex_clid);
+	xdr_decode_hyper(p, &clp->cl_clientid);
 	p = xdr_inline_decode(xdr, 12);
 	if (unlikely(!p))
 		goto out_overflow;
@@ -4947,6 +5140,9 @@ static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req,
 	__be32 *p;
 	int status;
 	u32 layout_count;
+	struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
+	struct kvec *iov = rcvbuf->head;
+	u32 hdrlen, recvd;
 
 	status = decode_op_hdr(xdr, OP_LAYOUTGET);
 	if (status)
@@ -4963,17 +5159,14 @@ static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req,
 		return -EINVAL;
 	}
 
-	p = xdr_inline_decode(xdr, 24);
+	p = xdr_inline_decode(xdr, 28);
 	if (unlikely(!p))
 		goto out_overflow;
 	p = xdr_decode_hyper(p, &res->range.offset);
 	p = xdr_decode_hyper(p, &res->range.length);
 	res->range.iomode = be32_to_cpup(p++);
 	res->type = be32_to_cpup(p++);
-
-	status = decode_opaque_inline(xdr, &res->layout.len, (char **)&p);
-	if (unlikely(status))
-		return status;
+	res->layoutp->len = be32_to_cpup(p);
 
 	dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n",
 		__func__,
@@ -4981,12 +5174,18 @@ static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req,
 		(unsigned long)res->range.length,
 		res->range.iomode,
 		res->type,
-		res->layout.len);
+		res->layoutp->len);
 
-	/* nfs4_proc_layoutget allocated a single page */
-	if (res->layout.len > PAGE_SIZE)
-		return -ENOMEM;
-	memcpy(res->layout.buf, p, res->layout.len);
+	hdrlen = (u8 *) xdr->p - (u8 *) iov->iov_base;
+	recvd = req->rq_rcv_buf.len - hdrlen;
+	if (res->layoutp->len > recvd) {
+		dprintk("NFS: server cheating in layoutget reply: "
+				"layout len %u > recvd %u\n",
+				res->layoutp->len, recvd);
+		return -EINVAL;
+	}
+
+	xdr_read_pages(xdr, res->layoutp->len);
 
 	if (layout_count > 1) {
 		/* We only handle a length one array at the moment.  Any
@@ -5003,6 +5202,35 @@ out_overflow:
 	print_overflow_msg(__func__, xdr);
 	return -EIO;
 }
+
+static int decode_layoutcommit(struct xdr_stream *xdr,
+			       struct rpc_rqst *req,
+			       struct nfs4_layoutcommit_res *res)
+{
+	__be32 *p;
+	__u32 sizechanged;
+	int status;
+
+	status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT);
+	if (status)
+		return status;
+
+	p = xdr_inline_decode(xdr, 4);
+	if (unlikely(!p))
+		goto out_overflow;
+	sizechanged = be32_to_cpup(p);
+
+	if (sizechanged) {
+		/* throw away new size */
+		p = xdr_inline_decode(xdr, 8);
+		if (unlikely(!p))
+			goto out_overflow;
+	}
+	return 0;
+out_overflow:
+	print_overflow_msg(__func__, xdr);
+	return -EIO;
+}
 #endif /* CONFIG_NFS_V4_1 */
 
 /*
@@ -5690,8 +5918,9 @@ static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr,
 	status = decode_write(xdr, res);
 	if (status)
 		goto out;
-	decode_getfattr(xdr, res->fattr, res->server,
-			!RPC_IS_ASYNC(rqstp->rq_task));
+	if (res->fattr)
+		decode_getfattr(xdr, res->fattr, res->server,
+				!RPC_IS_ASYNC(rqstp->rq_task));
 	if (!status)
 		status = res->count;
 out:
@@ -5719,8 +5948,9 @@ static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr,
 	status = decode_commit(xdr, res);
 	if (status)
 		goto out;
-	decode_getfattr(xdr, res->fattr, res->server,
-			!RPC_IS_ASYNC(rqstp->rq_task));
+	if (res->fattr)
+		decode_getfattr(xdr, res->fattr, res->server,
+				!RPC_IS_ASYNC(rqstp->rq_task));
 out:
 	return status;
 }
@@ -5915,6 +6145,32 @@ out:
 	return status;
 }
 
+/*
+ * Decode SECINFO response
+ */
+static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp,
+				struct xdr_stream *xdr,
+				struct nfs4_secinfo_res *res)
+{
+	struct compound_hdr hdr;
+	int status;
+
+	status = decode_compound_hdr(xdr, &hdr);
+	if (status)
+		goto out;
+	status = decode_sequence(xdr, &res->seq_res, rqstp);
+	if (status)
+		goto out;
+	status = decode_putfh(xdr);
+	if (status)
+		goto out;
+	status = decode_secinfo(xdr, res);
+	if (status)
+		goto out;
+out:
+	return status;
+}
+
 #if defined(CONFIG_NFS_V4_1)
 /*
  * Decode EXCHANGE_ID response
@@ -6062,6 +6318,34 @@ static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp,
 out:
 	return status;
 }
+
+/*
+ * Decode LAYOUTCOMMIT response
+ */
+static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp,
+				     struct xdr_stream *xdr,
+				     struct nfs4_layoutcommit_res *res)
+{
+	struct compound_hdr hdr;
+	int status;
+
+	status = decode_compound_hdr(xdr, &hdr);
+	if (status)
+		goto out;
+	status = decode_sequence(xdr, &res->seq_res, rqstp);
+	if (status)
+		goto out;
+	status = decode_putfh(xdr);
+	if (status)
+		goto out;
+	status = decode_layoutcommit(xdr, rqstp, res);
+	if (status)
+		goto out;
+	decode_getfattr(xdr, res->fattr, res->server,
+			!RPC_IS_ASYNC(rqstp->rq_task));
+out:
+	return status;
+}
 #endif /* CONFIG_NFS_V4_1 */
 
 /**
@@ -6125,7 +6409,9 @@ int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry,
 	if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh,
 					entry->server, 1) < 0)
 		goto out_overflow;
-	if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID)
+	if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID)
+		entry->ino = entry->fattr->mounted_on_fileid;
+	else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID)
 		entry->ino = entry->fattr->fileid;
 
 	entry->d_type = DT_UNKNOWN;
@@ -6167,8 +6453,6 @@ static struct {
 	{ NFS4ERR_DQUOT,	-EDQUOT		},
 	{ NFS4ERR_STALE,	-ESTALE		},
 	{ NFS4ERR_BADHANDLE,	-EBADHANDLE	},
-	{ NFS4ERR_BADOWNER,	-EINVAL		},
-	{ NFS4ERR_BADNAME,	-EINVAL		},
 	{ NFS4ERR_BAD_COOKIE,	-EBADCOOKIE	},
 	{ NFS4ERR_NOTSUPP,	-ENOTSUPP	},
 	{ NFS4ERR_TOOSMALL,	-ETOOSMALL	},
@@ -6178,10 +6462,6 @@ static struct {
 	{ NFS4ERR_SYMLINK,	-ELOOP		},
 	{ NFS4ERR_OP_ILLEGAL,	-EOPNOTSUPP	},
 	{ NFS4ERR_DEADLOCK,	-EDEADLK	},
-	{ NFS4ERR_WRONGSEC,	-EPERM		}, /* FIXME: this needs
-						    * to be handled by a
-						    * middle-layer.
-						    */
 	{ -1,			-EIO		}
 };
 
@@ -6256,6 +6536,7 @@ struct rpc_procinfo	nfs4_procedures[] = {
 	PROC(SETACL,		enc_setacl,		dec_setacl),
 	PROC(FS_LOCATIONS,	enc_fs_locations,	dec_fs_locations),
 	PROC(RELEASE_LOCKOWNER,	enc_release_lockowner,	dec_release_lockowner),
+	PROC(SECINFO,		enc_secinfo,		dec_secinfo),
 #if defined(CONFIG_NFS_V4_1)
 	PROC(EXCHANGE_ID,	enc_exchange_id,	dec_exchange_id),
 	PROC(CREATE_SESSION,	enc_create_session,	dec_create_session),
@@ -6265,6 +6546,7 @@ struct rpc_procinfo	nfs4_procedures[] = {
 	PROC(RECLAIM_COMPLETE,	enc_reclaim_complete,	dec_reclaim_complete),
 	PROC(GETDEVICEINFO,	enc_getdeviceinfo,	dec_getdeviceinfo),
 	PROC(LAYOUTGET,		enc_layoutget,		dec_layoutget),
+	PROC(LAYOUTCOMMIT,	enc_layoutcommit,	dec_layoutcommit),
 #endif /* CONFIG_NFS_V4_1 */
 };