NFS: make 2 functions static

nfs_writedata_free() and nfs_readdata_free() can now become static.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
(cherry picked from 5e1ce40f0c3c8f67591aff17756930d7a18ceb1a commit)
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 55ea853..2474345 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -476,10 +476,9 @@
 }
 
 /*
- * Allocate and free nfs_write_data structures
+ * Allocate nfs_write_data structures
  */
 extern struct nfs_write_data *nfs_writedata_alloc(unsigned int pagecount);
-extern void nfs_writedata_free(struct nfs_write_data *p);
 
 /*
  * linux/fs/nfs/read.c
@@ -491,10 +490,9 @@
 extern void nfs_readdata_release(void *data);
 
 /*
- * Allocate and free nfs_read_data structures
+ * Allocate nfs_read_data structures
  */
 extern struct nfs_read_data *nfs_readdata_alloc(unsigned int pagecount);
-extern void nfs_readdata_free(struct nfs_read_data *p);
 
 /*
  * linux/fs/nfs3proc.c