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=-7.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no 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 74732C433E2 for ; Fri, 17 Jul 2020 15:54:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5D916204EA for ; Fri, 17 Jul 2020 15:54:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726710AbgGQPyD (ORCPT ); Fri, 17 Jul 2020 11:54:03 -0400 Received: from outgoing-auth-1.mit.edu ([18.9.28.11]:54476 "EHLO outgoing.mit.edu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726556AbgGQPyC (ORCPT ); Fri, 17 Jul 2020 11:54:02 -0400 Received: from callcc.thunk.org (pool-96-230-252-158.bstnma.fios.verizon.net [96.230.252.158]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 06HFrx67029542 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 17 Jul 2020 11:53:59 -0400 Received: by callcc.thunk.org (Postfix, from userid 15806) id C41AF420304; Fri, 17 Jul 2020 11:53:58 -0400 (EDT) From: "Theodore Ts'o" To: Ext4 Developers List Cc: Alex Zhuravlev , "Theodore Ts'o" Subject: [PATCH 0/4] ex4 block bitmap prefetching Date: Fri, 17 Jul 2020 11:53:48 -0400 Message-Id: <20200717155352.1053040-1-tytso@mit.edu> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org I've revised Alex's original block allocation prefetch changes a bit, and an option to prefetch all of the block allocation bitmaps when the file system is mounted. Please take a look... Alex Zhuravlev (2): ext4: add prefetching for block allocation bitmaps ext4: skip non-loaded groups at cr=0/1 when scanning for good groups Theodore Ts'o (2): ext4: indicate via a block bitmap read is prefetched via a tracepoint ext4: add prefetch_block_bitmaps mount options fs/ext4/balloc.c | 16 +++- fs/ext4/ext4.h | 21 +++++- fs/ext4/mballoc.c | 143 +++++++++++++++++++++++++++++++++++- fs/ext4/super.c | 51 ++++++++++--- fs/ext4/sysfs.c | 4 + include/trace/events/ext4.h | 24 +++++- 6 files changed, 236 insertions(+), 23 deletions(-) -- 2.24.1