From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754230AbaBLTnY (ORCPT ); Wed, 12 Feb 2014 14:43:24 -0500 Received: from mail-ea0-f175.google.com ([209.85.215.175]:63287 "EHLO mail-ea0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754209AbaBLTnT (ORCPT ); Wed, 12 Feb 2014 14:43:19 -0500 From: Sergey Senozhatsky To: Minchan Kim Cc: Jerome Marchand , Nitin Gupta , linux-kernel@vger.kernel.org, Sergey Senozhatsky Subject: [PATCHv4 0/4] add compressing abstraction and multi stream support Date: Wed, 12 Feb 2014 22:39:32 +0300 Message-Id: <1392233976-26473-2-git-send-email-sergey.senozhatsky@gmail.com> X-Mailer: git-send-email 1.9.0.rc3.256.g4af3ebd In-Reply-To: <1392233976-26473-1-git-send-email-sergey.senozhatsky@gmail.com> References: <1392233976-26473-1-git-send-email-sergey.senozhatsky@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset introduces zcomp compression backend abstraction adding ability to support compression algorithms other than LZO; support for multi compression streams, making parallel compressions possible. Diff from v3: -- renamed compression backend and working memory structs as requested by Minchan Kim; fixed several issues noted by Minchan Kim. Sergey Senozhatsky (4): zram: introduce compressing backend abstraction zram: use zcomp compressing backends zram: support multi compressing buffers zram: document max_comp_streams Documentation/ABI/testing/sysfs-block-zram | 9 +- Documentation/blockdev/zram.txt | 21 +++- drivers/block/zram/Makefile | 2 +- drivers/block/zram/zcomp.c | 156 +++++++++++++++++++++++++++++ drivers/block/zram/zcomp.h | 58 +++++++++++ drivers/block/zram/zcomp_lzo.c | 33 ++++++ drivers/block/zram/zram_drv.c | 102 ++++++++++++------- drivers/block/zram/zram_drv.h | 10 +- 8 files changed, 345 insertions(+), 46 deletions(-) create mode 100644 drivers/block/zram/zcomp.c create mode 100644 drivers/block/zram/zcomp.h create mode 100644 drivers/block/zram/zcomp_lzo.c -- 1.9.0.rc3.256.g4af3ebd