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[209.85.220.65]) by mx.google.com with SMTPS id w84sor39096883qkb.44.2019.07.31.10.50.51 for (Google Transport Security); Wed, 31 Jul 2019 10:50:51 -0700 (PDT) Received-SPF: pass (google.com: domain of liu.song.a23@gmail.com designates 209.85.220.65 as permitted sender) client-ip=209.85.220.65; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=lWngceu5; spf=pass (google.com: domain of liu.song.a23@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=liu.song.a23@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=8H1qmZWnyPRY1VP8ewZtm5ftowSE/cfi+74EH6RJgIU=; b=lWngceu52u6EsMIytANCj8jbbUIjRuFtqtH35VoHpcMzbcUQhwb2HrkU+q0Py520fw +aoc6Hl03liHWCq4/TPU7obfd0ky5jqklVnQ3YKO+ysumg2xfTr8b8Qk9LsLrhTBxRVi Xq8qF+8r6xB25OpFWkep5ToA9kmXNHIAVYJOj5giCO6iXz6MByx0K0FOgqvc7gE7lbrA AmMw4sO+KQ0DeBBcCTqBVy9lyhNVkOsnPjxPMZ2NuQvJ9OBLdLtC+TqonTq7sVdG3oRE ZJ/f8/2V36jG2uGESFH3VcNUJokeiZsFa8ZWgzcG4KhmTWRAVHbsSDKYa2K+T//pDUO6 isrg== X-Google-Smtp-Source: APXvYqx1vdp6YaEEtVMI7ZbVbZcRwnEweHxRBRbt4MX2JVrJxeici/yUQ1j9FXzOgHJZd/Br9Zv7MLoRACzXLUpuwEc= X-Received: by 2002:a37:a854:: with SMTP id r81mr82915593qke.378.1564595451187; Wed, 31 Jul 2019 10:50:51 -0700 (PDT) MIME-Version: 1.0 References: <20190731171734.21601-1-willy@infradead.org> In-Reply-To: <20190731171734.21601-1-willy@infradead.org> From: Song Liu Date: Wed, 31 Jul 2019 10:50:40 -0700 Message-ID: Subject: Re: [RFC 0/2] iomap & xfs support for large pages To: Matthew Wilcox , William Kucharski Cc: Linux-Fsdevel , Christoph Hellwig , linux-xfs@vger.kernel.org, Linux-MM Content-Type: text/plain; charset="UTF-8" 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: On Wed, Jul 31, 2019 at 10:17 AM Matthew Wilcox wrote: > > From: "Matthew Wilcox (Oracle)" > > Christoph sent me a patch a few months ago called "XFS THP wip". > I've redone it based on current linus tree, plus the page_size() / > compound_nr() / page_shift() patches currently found in -mm. I fixed > the logic bugs that I noticed in his patch and may have introduced some > of my own. I have only compile tested this code. Would Bill's set work on XFS with this set? Thanks, Song > > Matthew Wilcox (Oracle) (2): > iomap: Support large pages > xfs: Support large pages > > fs/iomap/buffered-io.c | 82 ++++++++++++++++++++++++++---------------- > fs/xfs/xfs_aops.c | 37 +++++++++---------- > include/linux/iomap.h | 2 +- > 3 files changed, 72 insertions(+), 49 deletions(-) > > -- > 2.20.1 >