fs/nfsd/export.c: make 3 functions static

This patch makes the following needlessly global functions static:
- exp_get_by_name()
- exp_parent()
- exp_find()

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Cc: Neil Brown <neilb@suse.de>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index cba899a..04b2667 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -861,9 +861,9 @@
 	return exp_find_key(clp, FSID_NUM, fsidv, NULL);
 }
 
-svc_export *
-exp_get_by_name(svc_client *clp, struct vfsmount *mnt, struct dentry *dentry,
-		struct cache_req *reqp)
+static svc_export *exp_get_by_name(svc_client *clp, struct vfsmount *mnt,
+				   struct dentry *dentry,
+				   struct cache_req *reqp)
 {
 	struct svc_export *exp, key;
 	int err;
@@ -887,9 +887,9 @@
 /*
  * Find the export entry for a given dentry.
  */
-struct svc_export *
-exp_parent(svc_client *clp, struct vfsmount *mnt, struct dentry *dentry,
-	   struct cache_req *reqp)
+static struct svc_export *exp_parent(svc_client *clp, struct vfsmount *mnt,
+				     struct dentry *dentry,
+				     struct cache_req *reqp)
 {
 	svc_export *exp;
 
@@ -1214,9 +1214,8 @@
 	return err;
 }
 
-struct svc_export *
-exp_find(struct auth_domain *clp, int fsid_type, u32 *fsidv,
-	 struct cache_req *reqp)
+static struct svc_export *exp_find(struct auth_domain *clp, int fsid_type,
+				   u32 *fsidv, struct cache_req *reqp)
 {
 	struct svc_export *exp;
 	struct svc_expkey *ek = exp_find_key(clp, fsid_type, fsidv, reqp);