From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.2 required=3.0 tests=BAYES_00,DATE_IN_PAST_06_12, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 07FB7C43381 for ; Fri, 15 Jan 2021 13:26:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CD7E923359 for ; Fri, 15 Jan 2021 13:26:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732326AbhAON0e (ORCPT ); Fri, 15 Jan 2021 08:26:34 -0500 Received: from mga18.intel.com ([134.134.136.126]:10822 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732159AbhAON0e (ORCPT ); Fri, 15 Jan 2021 08:26:34 -0500 IronPort-SDR: gCvbiUOUNsILBGPyyzPXhgTf6OnVtDMuDg/1BXWpAv7PZzyt1ummT2dhLlW8+3EyNHAmg7cTBK 32UWrbyw1ucQ== X-IronPort-AV: E=McAfee;i="6000,8403,9864"; a="166216115" X-IronPort-AV: E=Sophos;i="5.79,349,1602572400"; d="scan'208";a="166216115" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jan 2021 05:25:20 -0800 IronPort-SDR: JKJs3KHkTRcfwBkGbcCreLVz7fsRVRSDmmyQVEJXnyZ+HIzyWc5hH7ZC6ZCG27lHksshL5IUsJ oMn/ymeSDJBA== X-IronPort-AV: E=Sophos;i="5.79,349,1602572400"; d="scan'208";a="425312389" Received: from unknown (HELO localhost.igk.intel.com) ([10.237.126.111]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jan 2021 05:25:19 -0800 From: Jakub Radtke To: jes@trained-monkey.org Cc: linux-raid@vger.kernel.org Subject: [PATCH 0/8] Write-intent bitmap support for IMSM metadata Date: Fri, 15 Jan 2021 00:46:53 -0500 Message-Id: <20210115054701.92064-1-jakub.radtke@linux.intel.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org This patchset is aimed to add write-intent bitmap support for IMSM metadata. Additional function in the superswitch (set_bitmap) is proposed as a place where the internal bitmaps configuration for non-native metadata can be performed (through sysfs). Adding the bitmap to existing volumes is implemented similarly like for the PPL functionality (through --update-subarray). The patchset was tested on HW and qemu. Jakub Radtke (8): Modify mdstat parsing for volumes with the bitmap Enable bitmap support for external metadata imsm: Write-intent bitmap support imsm: Adding a spare to an existing array with bitmap Add "bitmap" to allowed command-line values imsm: Update-subarray for write-intent bitmap Create: Block automatic enabling bitmap for external metadata Grow: Block reshape when external metadata and write-intent bitmap Assemble.c | 6 + Create.c | 11 + Grow.c | 24 +- mdadm.8.in | 13 +- mdadm.c | 4 +- mdadm.h | 3 + mdstat.c | 6 + super-intel.c | 679 +++++++++++++++++++++++++++++++++++++++++++++++++- 8 files changed, 725 insertions(+), 21 deletions(-) -- 2.26.2