[CIFS] Performance improvement, finish up adding CIFSSMBWrite2

Signed-off-by: Steve French (sfrench@us.ibm.com)
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index f55c0c7..ddb25a0 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -845,11 +845,10 @@
 				if (rc != 0)
 					break;
 			}
-#ifdef CIFS_EXPERIMENTAL
+#ifdef CONFIG_CIFS_EXPERIMENTAL
 			/* BB FIXME We can not sign across two buffers yet */
-			cERROR(1,("checking signing")); /* BB removeme BB */
-			if(pTcon->ses->server->secMode & 
-			   (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED) == 0)
+			if((experimEnabled) && ((pTcon->ses->server->secMode & 
+			 (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) == 0)) {
 				rc = CIFSSMBWrite2(xid, pTcon,
 						open_file->netfid,
 						min_t(const int, cifs_sb->wsize,