gfs2: Make gfs2_setattr_simple static

This function is only used in inode.c.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

fs/gfs2/inode.c

@@ -1882,7 +1882,7 @@ static int __gfs2_setattr_simple(struct inode *inode, struct iattr *attr)
  * Returns: errno
  */
 
-int gfs2_setattr_simple(struct inode *inode, struct iattr *attr)
+static int gfs2_setattr_simple(struct inode *inode, struct iattr *attr)
 {
 	int error;
 

fs/gfs2/inode.h

@@ -101,7 +101,6 @@ extern struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
 				  int is_root);
 extern int gfs2_permission(struct user_namespace *mnt_userns,
 			   struct inode *inode, int mask);
-extern int gfs2_setattr_simple(struct inode *inode, struct iattr *attr);
 extern struct inode *gfs2_lookup_simple(struct inode *dip, const char *name);
 extern void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
 extern int gfs2_open_common(struct inode *inode, struct file *file);