Merge branch 'hotfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6

* 'hotfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
  SUNRPC: AUTH_SYS "machine creds" shouldn't use negative valued uid/gid
  nfs: make nfs4_drop_state_owner() static
  nfs: path_{get,put}() cleanups
  nfs: replace remaining __FUNCTION__ occurrences
  nfs/lsm: make NFSv4 set LSM mount options
  NFSv4: Check the return value of decode_compound_hdr_arg()
  nfs: fix race in nfs_dirty_request
  NFS: Ensure that 'noac' and/or 'actimeo=0' turn off attribute caching

fs/nfs/callback.c

@@ -182,7 +182,7 @@ static int nfs_callback_authenticate(struct svc_rqst *rqstp)
 	if (clp == NULL)
 		return SVC_DROP;
 
-	dprintk("%s: %s NFSv4 callback!\n", __FUNCTION__,
+	dprintk("%s: %s NFSv4 callback!\n", __func__,
 			svc_print_addr(rqstp, buf, sizeof(buf)));
 	nfs_put_client(clp);
 

fs/nfs/callback_proc.c

@@ -57,7 +57,7 @@ out_iput:
 out_putclient:
 	nfs_put_client(clp);
 out:
-	dprintk("%s: exit with status = %d\n", __FUNCTION__, ntohl(res->status));
+	dprintk("%s: exit with status = %d\n", __func__, ntohl(res->status));
 	return res->status;
 }
 
@@ -98,6 +98,6 @@ __be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy)
 		nfs_put_client(prev);
 	} while (clp != NULL);
 out:
-	dprintk("%s: exit with status = %d\n", __FUNCTION__, ntohl(res));
+	dprintk("%s: exit with status = %d\n", __func__, ntohl(res));
 	return res;
 }

fs/nfs/callback_xdr.c

@@ -141,7 +141,7 @@ static __be32 decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compound
 	/* We do not like overly long tags! */
 	if (hdr->taglen > CB_OP_TAGLEN_MAXSZ - 12) {
 		printk("NFSv4 CALLBACK %s: client sent tag of length %u\n",
-				__FUNCTION__, hdr->taglen);
+				__func__, hdr->taglen);
 		return htonl(NFS4ERR_RESOURCE);
 	}
 	p = read_buf(xdr, 12);
@@ -151,7 +151,7 @@ static __be32 decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compound
 	/* Check minor version is zero. */
 	if (minor_version != 0) {
 		printk(KERN_WARNING "%s: NFSv4 server callback with illegal minor version %u!\n",
-				__FUNCTION__, minor_version);
+				__func__, minor_version);
 		return htonl(NFS4ERR_MINOR_VERS_MISMATCH);
 	}
 	hdr->callback_ident = ntohl(*p++);
@@ -179,7 +179,7 @@ static __be32 decode_getattr_args(struct svc_rqst *rqstp, struct xdr_stream *xdr
 	args->addr = svc_addr(rqstp);
 	status = decode_bitmap(xdr, args->bitmap);
 out:
-	dprintk("%s: exit with status = %d\n", __FUNCTION__, ntohl(status));
+	dprintk("%s: exit with status = %d\n", __func__, ntohl(status));
 	return status;
 }
 
@@ -200,7 +200,7 @@ static __be32 decode_recall_args(struct svc_rqst *rqstp, struct xdr_stream *xdr,
 	args->truncate = ntohl(*p);
 	status = decode_fh(xdr, &args->fh);
 out:
-	dprintk("%s: exit with status = %d\n", __FUNCTION__, ntohl(status));
+	dprintk("%s: exit with status = %d\n", __func__, ntohl(status));
 	return status;
 }
 
@@ -349,7 +349,7 @@ static __be32 encode_getattr_res(struct svc_rqst *rqstp, struct xdr_stream *xdr,
 	status = encode_attr_mtime(xdr, res->bitmap, &res->mtime);
 	*savep = htonl((unsigned int)((char *)xdr->p - (char *)(savep+1)));
 out:
-	dprintk("%s: exit with status = %d\n", __FUNCTION__, ntohl(status));
+	dprintk("%s: exit with status = %d\n", __func__, ntohl(status));
 	return status;
 }
 
@@ -363,7 +363,7 @@ static __be32 process_op(struct svc_rqst *rqstp,
 	long maxlen;
 	__be32 res;
 
-	dprintk("%s: start\n", __FUNCTION__);
+	dprintk("%s: start\n", __func__);
 	status = decode_op_hdr(xdr_in, &op_nr);
 	if (likely(status == 0)) {
 		switch (op_nr) {
@@ -392,7 +392,7 @@ static __be32 process_op(struct svc_rqst *rqstp,
 		status = res;
 	if (op->encode_res != NULL && status == 0)
 		status = op->encode_res(rqstp, xdr_out, resp);
-	dprintk("%s: done, status = %d\n", __FUNCTION__, ntohl(status));
+	dprintk("%s: done, status = %d\n", __func__, ntohl(status));
 	return status;
 }
 
@@ -401,37 +401,37 @@ static __be32 process_op(struct svc_rqst *rqstp,
  */
 static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *resp)
 {
-	struct cb_compound_hdr_arg hdr_arg;
-	struct cb_compound_hdr_res hdr_res;
+	struct cb_compound_hdr_arg hdr_arg = { 0 };
+	struct cb_compound_hdr_res hdr_res = { NULL };
 	struct xdr_stream xdr_in, xdr_out;
 	__be32 *p;
 	__be32 status;
-	unsigned int nops = 1;
+	unsigned int nops = 0;
 
-	dprintk("%s: start\n", __FUNCTION__);
+	dprintk("%s: start\n", __func__);
 
 	xdr_init_decode(&xdr_in, &rqstp->rq_arg, rqstp->rq_arg.head[0].iov_base);
 
 	p = (__be32*)((char *)rqstp->rq_res.head[0].iov_base + rqstp->rq_res.head[0].iov_len);
 	xdr_init_encode(&xdr_out, &rqstp->rq_res, p);
 
-	decode_compound_hdr_arg(&xdr_in, &hdr_arg);
+	status = decode_compound_hdr_arg(&xdr_in, &hdr_arg);
+	if (status == __constant_htonl(NFS4ERR_RESOURCE))
+		return rpc_garbage_args;
+
 	hdr_res.taglen = hdr_arg.taglen;
 	hdr_res.tag = hdr_arg.tag;
-	hdr_res.nops = NULL;
-	encode_compound_hdr_res(&xdr_out, &hdr_res);
+	if (encode_compound_hdr_res(&xdr_out, &hdr_res) != 0)
+		return rpc_system_err;
 
-	for (;;) {
+	while (status == 0 && nops != hdr_arg.nops) {
 		status = process_op(rqstp, &xdr_in, argp, &xdr_out, resp);
-		if (status != 0)
-			break;
-		if (nops == hdr_arg.nops)
-			break;
 		nops++;
 	}
+
 	*hdr_res.status = status;
 	*hdr_res.nops = htonl(nops);
-	dprintk("%s: done, status = %u\n", __FUNCTION__, ntohl(status));
+	dprintk("%s: done, status = %u\n", __func__, ntohl(status));
 	return rpc_success;
 }
 

fs/nfs/client.c

@@ -488,7 +488,7 @@ static int nfs_create_rpc_client(struct nfs_client *clp,
 	clnt = rpc_create(&args);
 	if (IS_ERR(clnt)) {
 		dprintk("%s: cannot create RPC client. Error = %ld\n",
-				__FUNCTION__, PTR_ERR(clnt));
+				__func__, PTR_ERR(clnt));
 		return PTR_ERR(clnt);
 	}
 
@@ -576,7 +576,7 @@ static int nfs_init_server_rpcclient(struct nfs_server *server,
 
 	server->client = rpc_clone_client(clp->cl_rpcclient);
 	if (IS_ERR(server->client)) {
-		dprintk("%s: couldn't create rpc_client!\n", __FUNCTION__);
+		dprintk("%s: couldn't create rpc_client!\n", __func__);
 		return PTR_ERR(server->client);
 	}
 
@@ -590,7 +590,7 @@ static int nfs_init_server_rpcclient(struct nfs_server *server,
 
 		auth = rpcauth_create(pseudoflavour, server->client);
 		if (IS_ERR(auth)) {
-			dprintk("%s: couldn't create credcache!\n", __FUNCTION__);
+			dprintk("%s: couldn't create credcache!\n", __func__);
 			return PTR_ERR(auth);
 		}
 	}
@@ -985,7 +985,7 @@ static int nfs4_init_client(struct nfs_client *clp,
 	error = nfs_idmap_new(clp);
 	if (error < 0) {
 		dprintk("%s: failed to create idmapper. Error = %d\n",
-			__FUNCTION__, error);
+			__func__, error);
 		goto error;
 	}
 	__set_bit(NFS_CS_IDMAP, &clp->cl_res_state);

fs/nfs/delegation.c

@@ -60,7 +60,7 @@ static int nfs_delegation_claim_locks(struct nfs_open_context *ctx, struct nfs4_
 		switch (status) {
 			default:
 				printk(KERN_ERR "%s: unhandled error %d.\n",
-						__FUNCTION__, status);
+						__func__, status);
 			case -NFS4ERR_EXPIRED:
 				/* kill_proc(fl->fl_pid, SIGLOST, 1); */
 			case -NFS4ERR_STALE_CLIENTID:
@@ -186,7 +186,7 @@ int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct
 		 */
 		dfprintk(FILE, "%s: server %s handed out "
 				"a duplicate delegation!\n",
-				__FUNCTION__, clp->cl_hostname);
+				__func__, clp->cl_hostname);
 		if (delegation->type <= nfsi->delegation->type) {
 			freeme = delegation;
 			delegation = NULL;

fs/nfs/dir.c

@@ -180,7 +180,7 @@ int nfs_readdir_filler(nfs_readdir_descriptor_t *desc, struct page *page)
 	int		error;
 
 	dfprintk(DIRCACHE, "NFS: %s: reading cookie %Lu into page %lu\n",
-			__FUNCTION__, (long long)desc->entry->cookie,
+			__func__, (long long)desc->entry->cookie,
 			page->index);
 
  again:
@@ -256,7 +256,7 @@ int find_dirent(nfs_readdir_descriptor_t *desc)
 
 	while((status = dir_decode(desc)) == 0) {
 		dfprintk(DIRCACHE, "NFS: %s: examining cookie %Lu\n",
-				__FUNCTION__, (unsigned long long)entry->cookie);
+				__func__, (unsigned long long)entry->cookie);
 		if (entry->prev_cookie == *desc->dir_cookie)
 			break;
 		if (loop_count++ > 200) {
@@ -315,7 +315,7 @@ int find_dirent_page(nfs_readdir_descriptor_t *desc)
 	int		status;
 
 	dfprintk(DIRCACHE, "NFS: %s: searching page %ld for target %Lu\n",
-			__FUNCTION__, desc->page_index,
+			__func__, desc->page_index,
 			(long long) *desc->dir_cookie);
 
 	/* If we find the page in the page_cache, we cannot be sure
@@ -339,7 +339,7 @@ int find_dirent_page(nfs_readdir_descriptor_t *desc)
 	if (status < 0)
 		dir_page_release(desc);
  out:
-	dfprintk(DIRCACHE, "NFS: %s: returns %d\n", __FUNCTION__, status);
+	dfprintk(DIRCACHE, "NFS: %s: returns %d\n", __func__, status);
 	return status;
 }
 
@@ -380,7 +380,7 @@ int readdir_search_pagecache(nfs_readdir_descriptor_t *desc)
 		}
 	}
 
-	dfprintk(DIRCACHE, "NFS: %s: returns %d\n", __FUNCTION__, res);
+	dfprintk(DIRCACHE, "NFS: %s: returns %d\n", __func__, res);
 	return res;
 }
 
@@ -506,7 +506,7 @@ int uncached_readdir(nfs_readdir_descriptor_t *desc, void *dirent,
 	desc->entry->eof = 0;
  out:
 	dfprintk(DIRCACHE, "NFS: %s: returns %d\n",
-			__FUNCTION__, status);
+			__func__, status);
 	return status;
  out_release:
 	dir_page_release(desc);
@@ -780,7 +780,7 @@ static int nfs_lookup_revalidate(struct dentry * dentry, struct nameidata *nd)
 
 	if (is_bad_inode(inode)) {
 		dfprintk(LOOKUPCACHE, "%s: %s/%s has dud inode\n",
-				__FUNCTION__, dentry->d_parent->d_name.name,
+				__func__, dentry->d_parent->d_name.name,
 				dentry->d_name.name);
 		goto out_bad;
 	}
@@ -808,7 +808,7 @@ static int nfs_lookup_revalidate(struct dentry * dentry, struct nameidata *nd)
 	unlock_kernel();
 	dput(parent);
 	dfprintk(LOOKUPCACHE, "NFS: %s(%s/%s) is valid\n",
-			__FUNCTION__, dentry->d_parent->d_name.name,
+			__func__, dentry->d_parent->d_name.name,
 			dentry->d_name.name);
 	return 1;
 out_zap_parent:
@@ -827,7 +827,7 @@ out_zap_parent:
 	unlock_kernel();
 	dput(parent);
 	dfprintk(LOOKUPCACHE, "NFS: %s(%s/%s) is invalid\n",
-			__FUNCTION__, dentry->d_parent->d_name.name,
+			__func__, dentry->d_parent->d_name.name,
 			dentry->d_name.name);
 	return 0;
 }

fs/nfs/file.c

@@ -526,7 +526,7 @@ static int do_vfs_lock(struct file *file, struct file_lock *fl)
 	if (res < 0)
 		dprintk(KERN_WARNING "%s: VFS is out of sync with lock manager"
 			" - error %d!\n",
-				__FUNCTION__, res);
+				__func__, res);
 	return res;
 }
 

fs/nfs/inode.c

@@ -541,8 +541,7 @@ static void __put_nfs_open_context(struct nfs_open_context *ctx, int wait)
 	}
 	if (ctx->cred != NULL)
 		put_rpccred(ctx->cred);
-	dput(ctx->path.dentry);
-	mntput(ctx->path.mnt);
+	path_put(&ctx->path);
 	kfree(ctx);
 }
 
@@ -707,6 +706,13 @@ int nfs_attribute_timeout(struct inode *inode)
 
 	if (nfs_have_delegation(inode, FMODE_READ))
 		return 0;
+	/*
+	 * Special case: if the attribute timeout is set to 0, then always
+	 * 		 treat the cache as having expired (unless holding
+	 * 		 a delegation).
+	 */
+	if (nfsi->attrtimeo == 0)
+		return 1;
 	return !time_in_range(jiffies, nfsi->read_cache_jiffies, nfsi->read_cache_jiffies + nfsi->attrtimeo);
 }
 
@@ -995,7 +1001,7 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
 	unsigned long now = jiffies;
 
 	dfprintk(VFS, "NFS: %s(%s/%ld ct=%d info=0x%x)\n",
-			__FUNCTION__, inode->i_sb->s_id, inode->i_ino,
+			__func__, inode->i_sb->s_id, inode->i_ino,
 			atomic_read(&inode->i_count), fattr->valid);
 
 	if (nfsi->fileid != fattr->fileid)
@@ -1119,7 +1125,7 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
 	 * Big trouble! The inode has become a different object.
 	 */
 	printk(KERN_DEBUG "%s: inode %ld mode changed, %07o to %07o\n",
-			__FUNCTION__, inode->i_ino, inode->i_mode, fattr->mode);
+			__func__, inode->i_ino, inode->i_mode, fattr->mode);
  out_err:
 	/*
 	 * No need to worry about unhashing the dentry, as the

fs/nfs/namespace.c

@@ -106,7 +106,7 @@ static void * nfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd)
 	dprintk("--> nfs_follow_mountpoint()\n");
 
 	BUG_ON(IS_ROOT(dentry));
-	dprintk("%s: enter\n", __FUNCTION__);
+	dprintk("%s: enter\n", __func__);
 	dput(nd->path.dentry);
 	nd->path.dentry = dget(dentry);
 
@@ -137,13 +137,12 @@ static void * nfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd)
 			goto out_follow;
 		goto out_err;
 	}
-	mntput(nd->path.mnt);
-	dput(nd->path.dentry);
+	path_put(&nd->path);
 	nd->path.mnt = mnt;
 	nd->path.dentry = dget(mnt->mnt_root);
 	schedule_delayed_work(&nfs_automount_task, nfs_mountpoint_expiry_timeout);
 out:
-	dprintk("%s: done, returned %d\n", __FUNCTION__, err);
+	dprintk("%s: done, returned %d\n", __func__, err);
 
 	dprintk("<-- nfs_follow_mountpoint() = %d\n", err);
 	return ERR_PTR(err);
@@ -230,7 +229,7 @@ static struct vfsmount *nfs_do_submount(const struct vfsmount *mnt_parent,
 
 	dprintk("--> nfs_do_submount()\n");
 
-	dprintk("%s: submounting on %s/%s\n", __FUNCTION__,
+	dprintk("%s: submounting on %s/%s\n", __func__,
 			dentry->d_parent->d_name.name,
 			dentry->d_name.name);
 	if (page == NULL)
@@ -243,7 +242,7 @@ static struct vfsmount *nfs_do_submount(const struct vfsmount *mnt_parent,
 free_page:
 	free_page((unsigned long)page);
 out:
-	dprintk("%s: done\n", __FUNCTION__);
+	dprintk("%s: done\n", __func__);
 
 	dprintk("<-- nfs_do_submount() = %p\n", mnt);
 	return mnt;

fs/nfs/nfs3proc.c

@@ -63,15 +63,15 @@ do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle,
 	};
 	int	status;
 
-	dprintk("%s: call  fsinfo\n", __FUNCTION__);
+	dprintk("%s: call  fsinfo\n", __func__);
 	nfs_fattr_init(info->fattr);
 	status = rpc_call_sync(client, &msg, 0);
-	dprintk("%s: reply fsinfo: %d\n", __FUNCTION__, status);
+	dprintk("%s: reply fsinfo: %d\n", __func__, status);
 	if (!(info->fattr->valid & NFS_ATTR_FATTR)) {
 		msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR];
 		msg.rpc_resp = info->fattr;
 		status = rpc_call_sync(client, &msg, 0);
-		dprintk("%s: reply getattr: %d\n", __FUNCTION__, status);
+		dprintk("%s: reply getattr: %d\n", __func__, status);
 	}
 	return status;
 }

fs/nfs/nfs4_fs.h

@@ -206,7 +206,6 @@ struct rpc_cred *nfs4_get_renew_cred(struct nfs_client *clp);
 
 extern struct nfs4_state_owner * nfs4_get_state_owner(struct nfs_server *, struct rpc_cred *);
 extern void nfs4_put_state_owner(struct nfs4_state_owner *);
-extern void nfs4_drop_state_owner(struct nfs4_state_owner *);
 extern struct nfs4_state * nfs4_get_open_state(struct inode *, struct nfs4_state_owner *);
 extern void nfs4_put_open_state(struct nfs4_state *);
 extern void nfs4_close_state(struct path *, struct nfs4_state *, mode_t);

fs/nfs/nfs4namespace.c

@@ -86,7 +86,7 @@ static int nfs4_validate_fspath(const struct vfsmount *mnt_parent,
 
 	if (strncmp(path, fs_path, strlen(fs_path)) != 0) {
 		dprintk("%s: path %s does not begin with fsroot %s\n",
-			__FUNCTION__, path, fs_path);
+			__func__, path, fs_path);
 		return -ENOENT;
 	}
 
@@ -134,7 +134,7 @@ static struct vfsmount *nfs_follow_referral(const struct vfsmount *mnt_parent,
 	if (locations == NULL || locations->nlocations <= 0)
 		goto out;
 
-	dprintk("%s: referral at %s/%s\n", __FUNCTION__,
+	dprintk("%s: referral at %s/%s\n", __func__,
 		dentry->d_parent->d_name.name, dentry->d_name.name);
 
 	page = (char *) __get_free_page(GFP_USER);
@@ -204,7 +204,7 @@ static struct vfsmount *nfs_follow_referral(const struct vfsmount *mnt_parent,
 out:
 	free_page((unsigned long) page);
 	free_page((unsigned long) page2);
-	dprintk("%s: done\n", __FUNCTION__);
+	dprintk("%s: done\n", __func__);
 	return mnt;
 }
 
@@ -223,7 +223,7 @@ struct vfsmount *nfs_do_refmount(const struct vfsmount *mnt_parent, struct dentr
 	int err;
 
 	/* BUG_ON(IS_ROOT(dentry)); */
-	dprintk("%s: enter\n", __FUNCTION__);
+	dprintk("%s: enter\n", __func__);
 
 	page = alloc_page(GFP_KERNEL);
 	if (page == NULL)
@@ -238,7 +238,7 @@ struct vfsmount *nfs_do_refmount(const struct vfsmount *mnt_parent, struct dentr
 
 	parent = dget_parent(dentry);
 	dprintk("%s: getting locations for %s/%s\n",
-		__FUNCTION__, parent->d_name.name, dentry->d_name.name);
+		__func__, parent->d_name.name, dentry->d_name.name);
 
 	err = nfs4_proc_fs_locations(parent->d_inode, &dentry->d_name, fs_locations, page);
 	dput(parent);
@@ -252,6 +252,6 @@ out_free:
 	__free_page(page);
 	kfree(fs_locations);
 out:
-	dprintk("%s: done\n", __FUNCTION__);
+	dprintk("%s: done\n", __func__);
 	return mnt;
 }

fs/nfs/nfs4proc.c

@@ -73,7 +73,7 @@ int nfs4_map_errors(int err)
 {
 	if (err < -1000) {
 		dprintk("%s could not handle NFSv4 error %d\n",
-				__FUNCTION__, -err);
+				__func__, -err);
 		return -EIO;
 	}
 	return err;
@@ -306,8 +306,7 @@ static void nfs4_opendata_free(struct kref *kref)
 		nfs4_put_open_state(p->state);
 	nfs4_put_state_owner(p->owner);
 	dput(p->dir);
-	dput(p->path.dentry);
-	mntput(p->path.mnt);
+	path_put(&p->path);
 	kfree(p);
 }
 
@@ -1210,8 +1209,7 @@ static void nfs4_free_closedata(void *data)
 	nfs4_put_open_state(calldata->state);
 	nfs_free_seqid(calldata->arg.seqid);
 	nfs4_put_state_owner(sp);
-	dput(calldata->path.dentry);
-	mntput(calldata->path.mnt);
+	path_put(&calldata->path);
 	kfree(calldata);
 }
 
@@ -1578,7 +1576,7 @@ static int nfs4_get_referral(struct inode *dir, const struct qstr *name, struct
 		goto out;
 	/* Make sure server returned a different fsid for the referral */
 	if (nfs_fsid_equal(&NFS_SERVER(dir)->fsid, &locations->fattr.fsid)) {
-		dprintk("%s: server did not return a different fsid for a referral at %s\n", __FUNCTION__, name->name);
+		dprintk("%s: server did not return a different fsid for a referral at %s\n", __func__, name->name);
 		status = -EIO;
 		goto out;
 	}
@@ -2211,7 +2209,7 @@ static int _nfs4_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
 	};
 	int			status;
 
-	dprintk("%s: dentry = %s/%s, cookie = %Lu\n", __FUNCTION__,
+	dprintk("%s: dentry = %s/%s, cookie = %Lu\n", __func__,
 			dentry->d_parent->d_name.name,
 			dentry->d_name.name,
 			(unsigned long long)cookie);
@@ -2223,7 +2221,7 @@ static int _nfs4_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
 
 	nfs_invalidate_atime(dir);
 
-	dprintk("%s: returns %d\n", __FUNCTION__, status);
+	dprintk("%s: returns %d\n", __func__, status);
 	return status;
 }
 
@@ -3342,7 +3340,7 @@ static void nfs4_lock_prepare(struct rpc_task *task, void *calldata)
 	struct nfs4_lockdata *data = calldata;
 	struct nfs4_state *state = data->lsp->ls_state;
 
-	dprintk("%s: begin!\n", __FUNCTION__);
+	dprintk("%s: begin!\n", __func__);
 	if (nfs_wait_on_sequence(data->arg.lock_seqid, task) != 0)
 		return;
 	/* Do we need to do an open_to_lock_owner? */
@@ -3356,14 +3354,14 @@ static void nfs4_lock_prepare(struct rpc_task *task, void *calldata)
 		data->arg.new_lock_owner = 0;
 	data->timestamp = jiffies;
 	rpc_call_start(task);
-	dprintk("%s: done!, ret = %d\n", __FUNCTION__, data->rpc_status);
+	dprintk("%s: done!, ret = %d\n", __func__, data->rpc_status);
 }
 
 static void nfs4_lock_done(struct rpc_task *task, void *calldata)
 {
 	struct nfs4_lockdata *data = calldata;
 
-	dprintk("%s: begin!\n", __FUNCTION__);
+	dprintk("%s: begin!\n", __func__);
 
 	data->rpc_status = task->tk_status;
 	if (RPC_ASSASSINATED(task))
@@ -3381,14 +3379,14 @@ static void nfs4_lock_done(struct rpc_task *task, void *calldata)
 		renew_lease(NFS_SERVER(data->ctx->path.dentry->d_inode), data->timestamp);
 	}
 out:
-	dprintk("%s: done, ret = %d!\n", __FUNCTION__, data->rpc_status);
+	dprintk("%s: done, ret = %d!\n", __func__, data->rpc_status);
 }
 
 static void nfs4_lock_release(void *calldata)
 {
 	struct nfs4_lockdata *data = calldata;
 
-	dprintk("%s: begin!\n", __FUNCTION__);
+	dprintk("%s: begin!\n", __func__);
 	nfs_free_seqid(data->arg.open_seqid);
 	if (data->cancelled != 0) {
 		struct rpc_task *task;
@@ -3396,13 +3394,13 @@ static void nfs4_lock_release(void *calldata)
 				data->arg.lock_seqid);
 		if (!IS_ERR(task))
 			rpc_put_task(task);
-		dprintk("%s: cancelling lock!\n", __FUNCTION__);
+		dprintk("%s: cancelling lock!\n", __func__);
 	} else
 		nfs_free_seqid(data->arg.lock_seqid);
 	nfs4_put_lock_state(data->lsp);
 	put_nfs_open_context(data->ctx);
 	kfree(data);
-	dprintk("%s: done!\n", __FUNCTION__);
+	dprintk("%s: done!\n", __func__);
 }
 
 static const struct rpc_call_ops nfs4_lock_ops = {
@@ -3428,7 +3426,7 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f
 	};
 	int ret;
 
-	dprintk("%s: begin!\n", __FUNCTION__);
+	dprintk("%s: begin!\n", __func__);
 	data = nfs4_alloc_lockdata(fl, nfs_file_open_context(fl->fl_file),
 			fl->fl_u.nfs4_fl.owner);
 	if (data == NULL)
@@ -3451,7 +3449,7 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f
 	} else
 		data->cancelled = 1;
 	rpc_put_task(task);
-	dprintk("%s: done, ret = %d!\n", __FUNCTION__, ret);
+	dprintk("%s: done, ret = %d!\n", __func__, ret);
 	return ret;
 }
 
@@ -3527,7 +3525,7 @@ static int _nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock
 	/* Note: we always want to sleep here! */
 	request->fl_flags = fl_flags | FL_SLEEP;
 	if (do_vfs_lock(request->fl_file, request) < 0)
-		printk(KERN_WARNING "%s: VFS is out of sync with lock manager!\n", __FUNCTION__);
+		printk(KERN_WARNING "%s: VFS is out of sync with lock manager!\n", __func__);
 out_unlock:
 	up_read(&clp->cl_sem);
 out:
@@ -3665,12 +3663,12 @@ int nfs4_proc_fs_locations(struct inode *dir, const struct qstr *name,
 	};
 	int status;
 
-	dprintk("%s: start\n", __FUNCTION__);
+	dprintk("%s: start\n", __func__);
 	nfs_fattr_init(&fs_locations->fattr);
 	fs_locations->server = server;
 	fs_locations->nlocations = 0;
 	status = rpc_call_sync(server->client, &msg, 0);
-	dprintk("%s: returned status = %d\n", __FUNCTION__, status);
+	dprintk("%s: returned status = %d\n", __func__, status);
 	return status;
 }
 

fs/nfs/nfs4renewd.c

@@ -66,7 +66,7 @@ nfs4_renew_state(struct work_struct *work)
 	unsigned long last, now;
 
 	down_read(&clp->cl_sem);
-	dprintk("%s: start\n", __FUNCTION__);
+	dprintk("%s: start\n", __func__);
 	/* Are there any active superblocks? */
 	if (list_empty(&clp->cl_superblocks))
 		goto out;
@@ -92,17 +92,17 @@ nfs4_renew_state(struct work_struct *work)
 		spin_lock(&clp->cl_lock);
 	} else
 		dprintk("%s: failed to call renewd. Reason: lease not expired \n",
-				__FUNCTION__);
+				__func__);
 	if (timeout < 5 * HZ)    /* safeguard */
 		timeout = 5 * HZ;
 	dprintk("%s: requeueing work. Lease period = %ld\n",
-			__FUNCTION__, (timeout + HZ - 1) / HZ);
+			__func__, (timeout + HZ - 1) / HZ);
 	cancel_delayed_work(&clp->cl_renewd);
 	schedule_delayed_work(&clp->cl_renewd, timeout);
 	spin_unlock(&clp->cl_lock);
 out:
 	up_read(&clp->cl_sem);
-	dprintk("%s: done\n", __FUNCTION__);
+	dprintk("%s: done\n", __func__);
 }
 
 /* Must be called with clp->cl_sem locked for writes */
@@ -117,7 +117,7 @@ nfs4_schedule_state_renewal(struct nfs_client *clp)
 	if (timeout < 5 * HZ)
 		timeout = 5 * HZ;
 	dprintk("%s: requeueing work. Lease period = %ld\n",
-			__FUNCTION__, (timeout + HZ - 1) / HZ);
+			__func__, (timeout + HZ - 1) / HZ);
 	cancel_delayed_work(&clp->cl_renewd);
 	schedule_delayed_work(&clp->cl_renewd, timeout);
 	set_bit(NFS_CS_RENEWD, &clp->cl_res_state);

fs/nfs/nfs4state.c

@@ -282,7 +282,7 @@ nfs4_alloc_state_owner(void)
 	return sp;
 }
 
-void
+static void
 nfs4_drop_state_owner(struct nfs4_state_owner *sp)
 {
 	if (!RB_EMPTY_NODE(&sp->so_client_node)) {
@@ -828,7 +828,7 @@ static int nfs4_reclaim_locks(struct nfs4_state_recovery_ops *ops, struct nfs4_s
 		switch (status) {
 			default:
 				printk(KERN_ERR "%s: unhandled error %d. Zeroing state\n",
-						__FUNCTION__, status);
+						__func__, status);
 			case -NFS4ERR_EXPIRED:
 			case -NFS4ERR_NO_GRACE:
 			case -NFS4ERR_RECLAIM_BAD:
@@ -869,14 +869,14 @@ static int nfs4_reclaim_open_state(struct nfs4_state_recovery_ops *ops, struct n
 			list_for_each_entry(lock, &state->lock_states, ls_locks) {
 				if (!(lock->ls_flags & NFS_LOCK_INITIALIZED))
 					printk("%s: Lock reclaim failed!\n",
-							__FUNCTION__);
+							__func__);
 			}
 			continue;
 		}
 		switch (status) {
 			default:
 				printk(KERN_ERR "%s: unhandled error %d. Zeroing state\n",
-						__FUNCTION__, status);
+						__func__, status);
 			case -ENOENT:
 			case -NFS4ERR_RECLAIM_BAD:
 			case -NFS4ERR_RECLAIM_CONFLICT:

fs/nfs/proc.c

@@ -63,17 +63,17 @@ nfs_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,
 	};
 	int status;
 
-	dprintk("%s: call getattr\n", __FUNCTION__);
+	dprintk("%s: call getattr\n", __func__);
 	nfs_fattr_init(fattr);
 	status = rpc_call_sync(server->nfs_client->cl_rpcclient, &msg, 0);
-	dprintk("%s: reply getattr: %d\n", __FUNCTION__, status);
+	dprintk("%s: reply getattr: %d\n", __func__, status);
 	if (status)
 		return status;
-	dprintk("%s: call statfs\n", __FUNCTION__);
+	dprintk("%s: call statfs\n", __func__);
 	msg.rpc_proc = &nfs_procedures[NFSPROC_STATFS];
 	msg.rpc_resp = &fsinfo;
 	status = rpc_call_sync(server->nfs_client->cl_rpcclient, &msg, 0);
-	dprintk("%s: reply statfs: %d\n", __FUNCTION__, status);
+	dprintk("%s: reply statfs: %d\n", __func__, status);
 	if (status)
 		return status;
 	info->rtmax  = NFS_MAXDATA;

fs/nfs/read.c

@@ -329,7 +329,7 @@ int nfs_readpage_result(struct rpc_task *task, struct nfs_read_data *data)
 {
 	int status;
 
-	dprintk("NFS: %s: %5u, (status %d)\n", __FUNCTION__, task->tk_pid,
+	dprintk("NFS: %s: %5u, (status %d)\n", __func__, task->tk_pid,
 			task->tk_status);
 
 	status = NFS_PROTO(data->inode)->read_done(task, data);

fs/nfs/super.c

@@ -405,7 +405,7 @@ static int nfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 	return 0;
 
  out_err:
-	dprintk("%s: statfs error = %d\n", __FUNCTION__, -error);
+	dprintk("%s: statfs error = %d\n", __func__, -error);
 	unlock_kernel();
 	return error;
 }
@@ -2015,6 +2015,10 @@ static int nfs4_get_sb(struct file_system_type *fs_type,
 		goto error_splat_super;
 	}
 
+	error = security_sb_set_mnt_opts(s, &data.lsm_opts);
+	if (error)
+		goto error_splat_root;
+
 	s->s_flags |= MS_ACTIVE;
 	mnt->mnt_sb = s;
 	mnt->mnt_root = mntroot;
@@ -2031,6 +2035,8 @@ out_free:
 	nfs_free_server(server);
 	goto out;
 
+error_splat_root:
+	dput(mntroot);
 error_splat_super:
 	up_write(&s->s_umount);
 	deactivate_super(s);
@@ -2114,6 +2120,8 @@ static int nfs4_xdev_get_sb(struct file_system_type *fs_type, int flags,
 	mnt->mnt_sb = s;
 	mnt->mnt_root = mntroot;
 
+	security_sb_clone_mnt_opts(data->sb, s);
+
 	dprintk("<-- nfs4_xdev_get_sb() = 0\n");
 	return 0;
 
@@ -2197,6 +2205,8 @@ static int nfs4_referral_get_sb(struct file_system_type *fs_type, int flags,
 	mnt->mnt_sb = s;
 	mnt->mnt_root = mntroot;
 
+	security_sb_clone_mnt_opts(data->sb, s);
+
 	dprintk("<-- nfs4_referral_get_sb() = 0\n");
 	return 0;
 

fs/nfs/write.c

@@ -415,7 +415,7 @@ nfs_dirty_request(struct nfs_page *req)
 
 	if (page == NULL || test_bit(PG_NEED_COMMIT, &req->wb_flags))
 		return 0;
-	return !PageWriteback(req->wb_page);
+	return !PageWriteback(page);
 }
 
 #if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)

net/sunrpc/auth_generic.c

@@ -17,8 +17,8 @@
 # define RPCDBG_FACILITY	RPCDBG_AUTH
 #endif
 
-#define RPC_ANONYMOUS_USERID	((uid_t)-2)
-#define RPC_ANONYMOUS_GROUPID	((gid_t)-2)
+#define RPC_MACHINE_CRED_USERID		((uid_t)0)
+#define RPC_MACHINE_CRED_GROUPID	((gid_t)0)
 
 struct generic_cred {
 	struct rpc_cred gc_base;
@@ -44,8 +44,8 @@ EXPORT_SYMBOL_GPL(rpc_lookup_cred);
 struct rpc_cred *rpc_lookup_machine_cred(void)
 {
 	struct auth_cred acred = {
-		.uid = RPC_ANONYMOUS_USERID,
-		.gid = RPC_ANONYMOUS_GROUPID,
+		.uid = RPC_MACHINE_CRED_USERID,
+		.gid = RPC_MACHINE_CRED_GROUPID,
 		.machine_cred = 1,
 	};