CIFS: Move readpage code to ops struct

Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 330f625..5b1751d 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -174,6 +174,7 @@
 struct cifs_fid;
 struct cifs_readdata;
 struct cifs_writedata;
+struct cifs_io_parms;
 
 struct smb_version_operations {
 	int (*send_cancel)(struct TCP_Server_Info *, void *,
@@ -286,6 +287,10 @@
 	int (*async_readv)(struct cifs_readdata *);
 	/* async write to the server */
 	int (*async_writev)(struct cifs_writedata *);
+	/* sync read from the server */
+	int (*sync_read)(const unsigned int, struct cifsFileInfo *,
+			 struct cifs_io_parms *, unsigned int *, char **,
+			 int *);
 };
 
 struct smb_version_values {