CIFS: Move async read 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 e5cb194..fcf81c0 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -172,6 +172,7 @@
 struct cifs_fattr;
 struct smb_vol;
 struct cifs_fid;
+struct cifs_readdata;
 
 struct smb_version_operations {
 	int (*send_cancel)(struct TCP_Server_Info *, void *,
@@ -280,6 +281,8 @@
 	int (*close)(const unsigned int, struct cifs_tcon *, struct cifs_fid *);
 	/* send a flush request to the server */
 	int (*flush)(const unsigned int, struct cifs_tcon *, struct cifs_fid *);
+	/* async read from the server */
+	int (*async_readv)(struct cifs_readdata *);
 };
 
 struct smb_version_values {