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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 61F89C38BF9 for ; Mon, 24 Feb 2020 21:54:27 +0000 (UTC) Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3267620CC7; Mon, 24 Feb 2020 21:54:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sourceforge.net header.i=@sourceforge.net header.b="B12fVtY9"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sf.net header.i=@sf.net header.b="N66Yi+qu"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="k4YHtYQM" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3267620CC7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linux-f2fs-devel-bounces@lists.sourceforge.net Received: from [127.0.0.1] (helo=sfs-ml-2.v29.lw.sourceforge.com) by sfs-ml-2.v29.lw.sourceforge.com with esmtp (Exim 4.90_1) (envelope-from ) id 1j6LgI-0000WH-ST; Mon, 24 Feb 2020 21:54:26 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-2.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1j6LgH-0000W9-G5 for linux-f2fs-devel@lists.sourceforge.net; Mon, 24 Feb 2020 21:54:25 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=In-Reply-To:Content-Transfer-Encoding:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=APtxhiGX2oo2NuFWECGVLQtSqhQUVX091Swo9E3jyGQ=; b=B12fVtY9wd42j6dDRuPYbelIXk CM7kcHYklgpq2MJ9ttaZlrXinkL0Jg1L7UJW9QFtQrlorzcZrymaAD32A7xTyRkA6Xyl3K+lu6Jmc AR1rLHM3R93vOHrgfaixo+imSExKtX5/n4P5lhUaOyEFizB0h1ZrNF8lKYwKGu0hsbwM=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=In-Reply-To:Content-Transfer-Encoding:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=APtxhiGX2oo2NuFWECGVLQtSqhQUVX091Swo9E3jyGQ=; b=N66Yi+quh80NWKgBpD7FNqb6LS cl3IaQvk5756I3BGF5pYvqzm8j3AFi7z1VGaHQmtyiTsviBPUYnhOMek4BEbC8x3m8VKALB8y6i6W UJks9Ue6pgcmQrMNY4dpYcP1NB33uI9KxAI45s3F8S7sOUysgmv+pi0GyTa5R1tIUo3M=; Received: from bombadil.infradead.org ([198.137.202.133]) by sfi-mx-4.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92.2) id 1j6LgG-008z1b-0g for linux-f2fs-devel@lists.sourceforge.net; Mon, 24 Feb 2020 21:54:25 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Transfer-Encoding :Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description; bh=APtxhiGX2oo2NuFWECGVLQtSqhQUVX091Swo9E3jyGQ=; b=k4YHtYQMII9XuUXNa7K98f5Lr8 8kxvJ/tzbiUBK0u8QPQlhc0S7pbYmtD+Kp/ADfY06g04+syMs0jiIxgreUVqaL2jTdxfVFgmvRJIq oTmznOvFRzH5WSEJ9IWPTFDJ+erRAgDrH/RmPUBzK601Fwa6IdIoQ6C3fegnBHogmdc5w+2qvj5gY azQCmdMraUIHucXS6vJTgsz3Fe5JuP/OkXHWU/LXgR0E4YJ9UfZD+tC1vsf+PL62iedbWaYajeqcO g6/F6Ohsx0R3d7CnbruJ/vQynXFS4X6INJIgfA7SRCec91PJ4VA+gJ2wESYF19FEGFB+fvp/elqYF ZWBJCgSg==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1j6Lg6-0004ll-A1; Mon, 24 Feb 2020 21:54:14 +0000 Date: Mon, 24 Feb 2020 13:54:14 -0800 From: Matthew Wilcox To: Christoph Hellwig Message-ID: <20200224215414.GR24185@bombadil.infradead.org> References: <20200219210103.32400-1-willy@infradead.org> <20200219210103.32400-15-willy@infradead.org> <20200220134849.GV24185@bombadil.infradead.org> <20200220154658.GA19577@infradead.org> <20200220155452.GX24185@bombadil.infradead.org> <20200220155727.GA32232@infradead.org> <20200224214347.GH13895@infradead.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200224214347.GH13895@infradead.org> X-Headers-End: 1j6LgG-008z1b-0g Subject: Re: [f2fs-dev] [PATCH v7 14/24] btrfs: Convert from readpages to readahead X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "linux-xfs@vger.kernel.org" , Johannes Thumshirn , "linux-kernel@vger.kernel.org" , "linux-f2fs-devel@lists.sourceforge.net" , "cluster-devel@redhat.com" , "linux-mm@kvack.org" , "ocfs2-devel@oss.oracle.com" , "linux-fsdevel@vger.kernel.org" , "linux-ext4@vger.kernel.org" , "linux-erofs@lists.ozlabs.org" , "linux-btrfs@vger.kernel.org" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net T24gTW9uLCBGZWIgMjQsIDIwMjAgYXQgMDE6NDM6NDdQTSAtMDgwMCwgQ2hyaXN0b3BoIEhlbGx3 aWcgd3JvdGU6Cj4gT24gVGh1LCBGZWIgMjAsIDIwMjAgYXQgMDc6NTc6MjdBTSAtMDgwMCwgQ2hy aXN0b3BoIEhlbGx3aWcgd3JvdGU6Cj4gPiBPbiBUaHUsIEZlYiAyMCwgMjAyMCBhdCAwNzo1NDo1 MkFNIC0wODAwLCBNYXR0aGV3IFdpbGNveCB3cm90ZToKPiA+ID4gT24gVGh1LCBGZWIgMjAsIDIw MjAgYXQgMDc6NDY6NThBTSAtMDgwMCwgQ2hyaXN0b3BoIEhlbGx3aWcgd3JvdGU6Cj4gPiA+ID4g T24gVGh1LCBGZWIgMjAsIDIwMjAgYXQgMDU6NDg6NDlBTSAtMDgwMCwgTWF0dGhldyBXaWxjb3gg d3JvdGU6Cj4gPiA+ID4gPiBidHJmczogQ29udmVydCBmcm9tIHJlYWRwYWdlcyB0byByZWFkYWhl YWQKPiA+ID4gPiA+ICAgCj4gPiA+ID4gPiBJbXBsZW1lbnQgdGhlIG5ldyByZWFkYWhlYWQgbWV0 aG9kIGluIGJ0cmZzLiAgQWRkIGEgcmVhZGFoZWFkX3BhZ2VfYmF0Y2goKQo+ID4gPiA+ID4gdG8g b3B0aW1pc2UgZmV0Y2hpbmcgYSBiYXRjaCBvZiBwYWdlcyBhdCBvbmNlLgo+ID4gPiA+IAo+ID4g PiA+IFNob3VsZG4ndCB0aGlzIHJlYWRhaGVhZF9wYWdlX2JhdGNoIGhlcGVyIGdvIGludG8gYSBz ZXBhcmF0ZSBwYXRjaCBzbwo+ID4gPiA+IHRoYXQgaXQgY2xlYXJseSBzdGFuZHMgb3V0Pwo+ID4g PiAKPiA+ID4gSSdsbCBtb3ZlIGl0IGludG8gJ1B1dCByZWFkYWhlYWQgcGFnZXMgaW4gY2FjaGUg ZWFybGllcicgZm9yIHY4ICh0aGUKPiA+ID4gc2FtZSBwYXRjaCB3aGVyZSB3ZSBhZGQgcmVhZGFo ZWFkX3BhZ2UoKSkKPiA+IAo+ID4gT25lIGFyZ3VtZW50IGZvciBrZWVwaW5nIGl0IGluIGEgcGF0 Y2ggb2YgaXRzIG93biBpcyB0aGF0IGJ0cmZzIGFwcGVhcnMKPiA+IHRvIGJlIHRoZSBvbmx5IHVz ZXIsIGFuZCBHb2xkd3luIGhhcyBhIFdJUCBjb252ZXJzaW9uIG9mIGJ0cmZzIHRvIGlvbWFwLAo+ ID4gc28gaXQgbWlnaHQgZ28gYXdheSBwcmV0dHkgc29vbiBhbmQgd2UgY291bGQganVzdCByZXZl cnQgdGhlIGNvbW1pdC4KPiA+IAo+ID4gQnV0IHRoaXMgc3RhcnRzIHRvIGdldCBpbnRvIHJlYWxs eSBtaW5vciBkZXRhaWxzLCBzbyBJJ2xsIHNodXQgdXAgbm93IDopCj4gCj4gU28gbG9va2luZyBh dCB0aGlzIGFnYWluIEkgaGF2ZSBhbm90aGVyIGNvbW1lbnQgYW5kIGEgcXVlc3Rpb24uCj4gCj4g Rmlyc3QgSSB0aGluayB0aGUgaW1wbGljaXQgQVJSQVlfU0laRSBpbiByZWFkYWhlYWRfcGFnZV9i YXRjaCBpcyBoaWdobHkKPiBkYW5nZXJvdXMsIGFzIGl0IHdpbGwgZG8gdGhlIHdyb25nIHRoaW5n IHdoZW4gcGFzc2luZyBhIHBvaW50ZXIgb3IKPiBmdW5jdGlvbiBhcmd1bWVudC4KCnNvbWVib2R5 IGFscmVhZHkgdGhvdWdodCBvZiB0aGF0IDstKQoKI2RlZmluZSBBUlJBWV9TSVpFKGFycikgKHNp emVvZihhcnIpIC8gc2l6ZW9mKChhcnIpWzBdKSArIF9fbXVzdF9iZV9hcnJheShhcnIpKQoKPiBT ZWNvbmQgSSB3b25kZXIg0ZZmIGl0IHdvdWxkIGJlIHdvcnRoIHRvIGFsc28gc3dpdGNoIHRvIGEg YmF0Y2hlZAo+IG9wZXJhdGlvbiBpbiBpb21hcCBpZiB0aGUgeGFycmF5IG92ZXJoZWFkIGlzIGhp Z2ggZW5vdWdoLiAgVGhhdCBzaG91bGQKPiBiZSBwcmV0dHkgdHJpdmlhbCwgYnV0IHdlIGRvbid0 IHJlYWxseSBuZWVkIHRvIGRvIGl0IGluIHRoaXMgc2VyaWVzLgoKSSd2ZSBhbHNvIGNvbnNpZGVy ZWQga2VlcGluZyBhIHNtYWxsIGFycmF5IG9mIHBvaW50ZXJzIGluc2lkZSB0aGUKcmVhZGFoZWFk X2NvbnRyb2wgc28gbm9ib2R5IG5lZWRzIHRvIGhhdmUgYSByZWFkYWhlYWRfcGFnZV9iYXRjaCgp Cm9wZXJhdGlvbi4gIEV2ZW4ga2VlcGluZyAxMCBwb2ludGVycyBpbiB0aGVyZSB3aWxsIHJlZHVj ZSB0aGUgWEFycmF5Cm92ZXJoZWFkIGJ5IDkwJS4gIEJ1dCB0aGlzIGZpdCB0aGUgY3VycmVudCBi dHJmcyBtb2RlbCB3ZWxsLCBhbmQgaXQKbGV0cyB1cyBwbGF5IHdpdGggZGlmZmVyZW50IGFwcHJv YWNoZXMgYnkgYWJzdHJhY3RpbmcgZXZlcnl0aGluZyBhd2F5LgpJJ20gc3VyZSB0aGlzIHdvbid0 IGJlIHRoZSBsYXN0IHBhdGNoIHRoYXQgdG91Y2hlcyB0aGUgcmVhZGFoZWFkIGNvZGUgOy0pCgoK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTGludXgtZjJm cy1kZXZlbCBtYWlsaW5nIGxpc3QKTGludXgtZjJmcy1kZXZlbEBsaXN0cy5zb3VyY2Vmb3JnZS5u ZXQKaHR0cHM6Ly9saXN0cy5zb3VyY2Vmb3JnZS5uZXQvbGlzdHMvbGlzdGluZm8vbGludXgtZjJm cy1kZXZlbAo=