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[2607:7c80:54:e::133]) by mx.google.com with ESMTPS id l14si31716292pgh.205.2019.07.31.10.17.42 for (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 31 Jul 2019 10:17:42 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of willy@infradead.org designates 2607:7c80:54:e::133 as permitted sender) client-ip=2607:7c80:54:e::133; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20170209 header.b=spp6+pbv; spf=pass (google.com: best guess record for domain of willy@infradead.org designates 2607:7c80:54:e::133 as permitted sender) smtp.mailfrom=willy@infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=KaVjUWTTnVdkOk2Zg6cPSfY2fDbbbTfB5zwO5s7DZ4s=; b=spp6+pbvnz834aJ0eeqzIUdla 6LkY/AxjVqEWXayDIBWYlkJMgNSdt8GGK3rcxtNCitA6xWOhQsfebCrSWviHjrF9WT2yQgOZzfxEN /VKiqn3cvhV6zchKXV0AO6jV4GTZIikIdS8L54ILQ3TkmpR8Prsx3pr+bR8P0VArNZQhNeY7mWwaF H61ldCoLvU+v3nRQsoxInhNY1zeca5psJ+wB0sfPo7cVM7BCdp0N1BCDaBNrQY/kF4+w/+l4oMxjP kHtMmn3rj60gliJ5IDfuWCVEQJ6x3TB1p7rm7jWJilqYIVXrP1O4p/uz+qQesKUUQRHV9p57NcO4a idSPZw8lg==; Received: from willy by bombadil.infradead.org with local (Exim 4.92 #3 (Red Hat Linux)) id 1hssEN-0005dG-3z; Wed, 31 Jul 2019 17:17:39 +0000 From: Matthew Wilcox To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , hch@lst.de, linux-xfs@vger.kernel.org, linux-mm@kvack.org Subject: [RFC 0/2] iomap & xfs support for large pages Date: Wed, 31 Jul 2019 10:17:32 -0700 Message-Id: <20190731171734.21601-1-willy@infradead.org> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 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: X-Virus-Scanned: ClamAV using ClamSMTP 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. 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(-)