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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 9B7EAC433E2 for ; Fri, 11 Sep 2020 06:43:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1ECBA221EB for ; Fri, 11 Sep 2020 06:43:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="iOa8WVA0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725803AbgIKGnH (ORCPT ); Fri, 11 Sep 2020 02:43:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37416 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725550AbgIKGm6 (ORCPT ); Fri, 11 Sep 2020 02:42:58 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 17176C061756; Thu, 10 Sep 2020 23:42:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=aIvY0q20GUY/DyC1n3nmNDnvd2ld2xPPMKNm8jNNfkM=; b=iOa8WVA07pDrSye4+Sgz/bCdG7 rG9Wvg4hwkJeg9OyR+jG6wGqjzEWeTJPBPRlulGaPOS8UQZBVL3v+KPzz0WfLKwmrsxExuJ5t5xC5 g3J0StagGG7heOkmNejJ2RO5a5Kvk0eL9K7O7byeRuioMbN3ZBxYUCJm8k9q6vSg+oLVpkaeIS9T+ fZf53xjd66KreZwQg9XqEGbThYuwm+YofNf/i+KbJjLceEwM1rLoD+dVeahBKNYDwpYu/LwqinWqA hQy5DfAYGwoUs4wZuoGCRTDTlsjSnnTSPgon+3SyLB+AkkNy0/stPaoD3NvES6scv3l3F42l2mz3W VscFLl6Q==; Received: from hch by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kGclq-0007pp-Lt; Fri, 11 Sep 2020 06:42:54 +0000 Date: Fri, 11 Sep 2020 07:42:54 +0100 From: Christoph Hellwig To: "Matthew Wilcox (Oracle)" Cc: linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, "Darrick J . Wong" , Christoph Hellwig , linux-nvdimm@lists.01.org, linux-kernel@vger.kernel.org, Dave Kleikamp , jfs-discussion@lists.sourceforge.net Subject: Re: [PATCH v2 9/9] iomap: Change calling convention for zeroing Message-ID: <20200911064254.GA24511@infradead.org> References: <20200910234707.5504-1-willy@infradead.org> <20200910234707.5504-10-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200910234707.5504-10-willy@infradead.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 11, 2020 at 12:47:07AM +0100, Matthew Wilcox (Oracle) wrote: > Pass the full length to iomap_zero() and dax_iomap_zero(), and have > them return how many bytes they actually handled. This is preparatory > work for handling THP, although it looks like DAX could actually take > advantage of it if there's a larger contiguous area. Looks good, Reviewed-by: Christoph Hellwig