cifs: merge the hash calculation helpers
three practically identical copies...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index eed7ff5..d9b4f44 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -512,4 +512,7 @@
struct cifs_sb_info *cifs_sb,
const unsigned char *path, char *pbuf,
unsigned int *pbytes_written);
+int __cifs_calc_signature(struct smb_rqst *rqst,
+ struct TCP_Server_Info *server, char *signature,
+ struct shash_desc *shash);
#endif /* _CIFSPROTO_H */