diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 3427c1f..d0210a8 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -245,8 +245,9 @@
 	/* start with specified rsize, or default */
 	rsize = volume_info->rsize ? volume_info->rsize : CIFS_DEFAULT_IOSIZE;
 	rsize = min_t(unsigned int, rsize, server->max_read);
-	/* set it to the maximum buffer size value we can send with 1 credit */
-	rsize = min_t(unsigned int, rsize, SMB2_MAX_BUFFER_SIZE);
+
+	if (!(server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU))
+		rsize = min_t(unsigned int, rsize, SMB2_MAX_BUFFER_SIZE);
 
 	return rsize;
 }