cifs: add a CIFSSMBUnixQFileInfo function

...to allow us to get unix attrs via filehandle.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index bf2bff1..ce9199f 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -154,6 +154,8 @@
 			FILE_ALL_INFO *findData,
 			const struct nls_table *nls_codepage, int remap);
 
+extern int CIFSSMBUnixQFileInfo(const int xid, struct cifsTconInfo *tcon,
+			u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
 extern int CIFSSMBUnixQPathInfo(const int xid,
 			struct cifsTconInfo *tcon,
 			const unsigned char *searchName,