From patchwork Sun Jul 5 16:04:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Coly Li X-Patchwork-Id: 11644541 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3474F618 for ; Sun, 5 Jul 2020 16:04:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1D9F820737 for ; Sun, 5 Jul 2020 16:04:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727848AbgGEQEr (ORCPT ); Sun, 5 Jul 2020 12:04:47 -0400 Received: from mx2.suse.de ([195.135.220.15]:39480 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727822AbgGEQEr (ORCPT ); Sun, 5 Jul 2020 12:04:47 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 76ED5ACFE; Sun, 5 Jul 2020 16:04:46 +0000 (UTC) From: Coly Li To: linux-bcache@vger.kernel.org Cc: linux-block@vger.kernel.org, Coly Li Subject: [RFC PATCH 0/4] bcache-tools: changes for large bucket size Date: Mon, 6 Jul 2020 00:04:36 +0800 Message-Id: <20200705160440.5801-1-colyli@suse.de> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org These are user space tools changes necessary for bcache large bucket size. When setting bucket size with '-u' larger than 16MB for cache device, BCACHE_SB_VERSION_CDEV_WITH_FEATURES will be set automatically. Otherwise, the new added members in super block won't be touched. Coly Li --- Coly Li (4): bcache-tools: comments offset for members of struct cache_sb struct_offset: print offset of each member of the on-disk data structure bcache-tools: The new super block version BCACHE_SB_VERSION_BDEV_WITH_FEATURES bcache-tools: add large_bucket incompat feature Makefile | 6 +- bcache.h | 153 ++++++++++++++++++++++++++++++++++++++---------- features.c | 24 ++++++++ lib.c | 24 ++++++++ lib.h | 2 + make.c | 36 ++++++++---- struct_offset.c | 63 ++++++++++++++++++++ 7 files changed, 265 insertions(+), 43 deletions(-) create mode 100644 features.c create mode 100644 struct_offset.c