From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from s131.mittwaldmedien.de ([62.216.178.31]) by canuck.infradead.org with esmtp (Exim 4.54 #1 (Red Hat Linux)) id 1EgzUg-0008DR-OF for linux-mtd@lists.infradead.org; Tue, 29 Nov 2005 02:01:43 -0500 Received: from localhost (localhost [127.0.0.1]) by s131.mittwaldmedien.de (Postfix) with ESMTP id 02FE95E57DA for ; Tue, 29 Nov 2005 08:01:32 +0100 (CET) Received: from lin01.mn-solutions.de (p54B2819D.dip0.t-ipconnect.de [84.178.129.157]) by s131.mittwaldmedien.de (Postfix) with ESMTP id 5CCDE5E57D4 for ; Tue, 29 Nov 2005 08:01:30 +0100 (CET) Received: from mnz66.mn-solutions.de (mnz66.mn-logistik.de [192.168.233.66]) by lin01.mn-solutions.de (Postfix) with ESMTP id 45A5E1E014A for ; Tue, 29 Nov 2005 08:00:38 +0100 (CET) From: Holger Schurig To: linux-mtd@lists.infradead.org Date: Tue, 29 Nov 2005 08:02:11 +0100 References: <4386F21B.9010507@inf.u-szeged.hu> <438B9355.6080603@greyinnovation.com> In-Reply-To: <438B9355.6080603@greyinnovation.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200511290802.11932.hs4233@mail.mn-solutions.de> Subject: Re: New compression method for JFFS2 List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , > With the crypto stuff being used, is there much of a performance hit? You don't have to do crypto, you can. If you don't use it, it won't hurt performance. Kernel Crypto API is not just crypto (like aes.c, des.c, ...), but also about compression (compress.c, deflate.c, ...) and HMACs (md5.c, sha1.c, ...).