From patchwork Wed Sep 2 15:44:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Howells X-Patchwork-Id: 11751031 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 1A7DE14E5 for ; Wed, 2 Sep 2020 15:44:26 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D33D1208B3 for ; Wed, 2 Sep 2020 15:44:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="gWe6uQCq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D33D1208B3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 1C3A8900003; Wed, 2 Sep 2020 11:44:25 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 1725B6B0081; Wed, 2 Sep 2020 11:44:25 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0892B900003; Wed, 2 Sep 2020 11:44:25 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0148.hostedemail.com [216.40.44.148]) by kanga.kvack.org (Postfix) with ESMTP id E6D696B007D for ; Wed, 2 Sep 2020 11:44:24 -0400 (EDT) Received: from smtpin01.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id ADFE51F06 for ; Wed, 2 Sep 2020 15:44:24 +0000 (UTC) X-FDA: 77218543248.01.meat77_4f02948270a2 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin01.hostedemail.com (Postfix) with ESMTP id 74EAF1004B356 for ; Wed, 2 Sep 2020 15:44:24 +0000 (UTC) X-Spam-Summary: 1,0,0,,d41d8cd98f00b204,dhowells@redhat.com,,RULES_HIT:30012:30036:30054,0,RBL:205.139.110.120:@redhat.com:.lbl8.mailshell.net-62.18.0.100 66.10.201.10;04ygyu5hwxbzpr69e49bc1pfk3wo3yp4ey41tqau8ksm8ofzqyttyejryce94ty.kweuigu6bghqiuukycwdxta3oe4fo9opqe1hh33fh5faqdbmzab49sbhykywxiq.s-lbl8.mailshell.net-223.238.255.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:ft,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:24,LUA_SUMMARY:none X-HE-Tag: meat77_4f02948270a2 X-Filterd-Recvd-Size: 3442 Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) by imf20.hostedemail.com (Postfix) with ESMTP for ; Wed, 2 Sep 2020 15:44:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1599061463; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=UK/4h/D4Qk2bl5GH5uYbOm22qCf+nIc9TgkObmodVtA=; b=gWe6uQCq0l5KO7f8cn33+QEeW41wrAZxhrS+o+ACWHFX/IKFFug6GspXv7vfcM26E0XJ9+ ddl62QN+VSqNJrGqNlZjBnAtexyaooPFVKc0LLM7D+r6/JJUrGS3lkBLvLyF9YuLukx5qr 2vFvoqEBMO8txEcZEwMQSJFR1lYtefg= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-78-uRXC5zwdP0aHH49AaOB0Iw-1; Wed, 02 Sep 2020 11:44:20 -0400 X-MC-Unique: uRXC5zwdP0aHH49AaOB0Iw-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id CE6E518C5217; Wed, 2 Sep 2020 15:44:18 +0000 (UTC) Received: from warthog.procyon.org.uk (ovpn-113-6.rdu2.redhat.com [10.10.113.6]) by smtp.corp.redhat.com (Postfix) with ESMTP id C4CD85D9CC; Wed, 2 Sep 2020 15:44:17 +0000 (UTC) Subject: [RFC PATCH 0/6] mm: Make more use of readahead_control [ver #2] From: David Howells To: willy@infradead.org Cc: Song Liu , dhowells@redhat.com, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Date: Wed, 02 Sep 2020 16:44:17 +0100 Message-ID: <159906145700.663183.3678164182141075453.stgit@warthog.procyon.org.uk> User-Agent: StGit/0.23 MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Rspamd-Queue-Id: 74EAF1004B356 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam03 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi Willy, Here's a set of patches to expand the use of the readahead_control struct, essentially from do_sync_mmap_readahead() down. It's on top of: http://git.infradead.org/users/willy/pagecache.git Also pass file_ra_state into force_page_cache_readahead(). The bugfix for khugepaged.c is included as that code is further changed here. David --- David Howells (6): Fix khugepaged's request size in collapse_file() mm: Make ondemand_readahead() take a readahead_control struct mm: Push readahead_control down into force_page_cache_readahead() mm: Pass readahead_control into page_cache_{sync,async}_readahead() mm: Fold ra_submit() into do_sync_mmap_readahead() mm: Pass a file_ra_state struct into force_page_cache_readahead() fs/btrfs/free-space-cache.c | 4 ++- fs/btrfs/ioctl.c | 9 +++-- fs/btrfs/relocation.c | 10 +++--- fs/btrfs/send.c | 16 +++++---- fs/ext4/dir.c | 11 +++--- fs/f2fs/dir.c | 8 +++-- include/linux/pagemap.h | 7 ++-- mm/fadvise.c | 6 +++- mm/filemap.c | 32 +++++++++-------- mm/internal.h | 14 ++------ mm/khugepaged.c | 4 +-- mm/readahead.c | 70 ++++++++++++++++++------------------- 12 files changed, 100 insertions(+), 91 deletions(-)