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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 35C95C05027 for ; Mon, 23 Jan 2023 18:59:54 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 4E2276B0072; Mon, 23 Jan 2023 13:59:53 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 492836B0073; Mon, 23 Jan 2023 13:59:53 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 35AE46B0074; Mon, 23 Jan 2023 13:59:53 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 284B46B0072 for ; Mon, 23 Jan 2023 13:59:53 -0500 (EST) Received: from smtpin23.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id E69DBC5326 for ; Mon, 23 Jan 2023 18:59:52 +0000 (UTC) X-FDA: 80386978224.23.382D6E3 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by imf01.hostedemail.com (Postfix) with ESMTP id A661B40021 for ; Mon, 23 Jan 2023 18:59:49 +0000 (UTC) Authentication-Results: imf01.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=PTA9WnWX; spf=pass (imf01.hostedemail.com: domain of akpm@linux-foundation.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1674500390; h=from:from:sender: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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=nc5hQLMn/PMA5fu2JCyJNrg+thFjupMP992brik8Ahk=; b=cbm7dfigzSevy+I3OD0f/sV7peBbCAwaq9BZGIy8XYjLFcM0wpV+oSQFNsJFU2B9V205fN doBXUrjbAuQcIJ8RQFDIxjwWzJkC3qEWG2ZPJYRSUhwQdxUVaHO+l8XLHELKYsroXbYLBd nl9MzWPSsjniY7W7Tve5d14rEoqlfag= ARC-Authentication-Results: i=1; imf01.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=PTA9WnWX; spf=pass (imf01.hostedemail.com: domain of akpm@linux-foundation.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1674500390; a=rsa-sha256; cv=none; b=F4KHDffK9I5bjURncd6u1doC87BSrpgIqVBzWMjvCNSRPEbB3c+MPYcIlZ+rlZNQGPT71Y qfIo9nJd58m7tVTMQ0+ztojRlUHn9eZwfr5+rhIMtzHZQxVLyi+7lg6CKY7Ypa3+QiEsTx ibwdm3mJCRVyPD8QcKh+8sDCptPlJZM= Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 05DE4B80DCC; Mon, 23 Jan 2023 18:59:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2369BC433EF; Mon, 23 Jan 2023 18:59:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1674500386; bh=2yFoKdoKKqEamhYFBDRoT6KlUCqYPuttTvyUAJee7i0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=PTA9WnWXDRVRH3BYoeH6vvai2HfaIdW2CBrUAdXzNrMN+mQ6RDUPJgRmyTIsDPmZ6 B3BxtiZviM/Q8578OmBqKx+w5fWGwikIveFpV7Rd57D0slJAyWYh3D1yH/kKio6EbJ bcJvq1bWpOCmWp11HPjaAOnEhbqlmyHoUsKLr4Y0= Date: Mon, 23 Jan 2023 10:59:45 -0800 From: Andrew Morton To: Christoph Hellwig Cc: Matthew Wilcox , Hugh Dickins , linux-afs@lists.infradead.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, cluster-devel@redhat.com, linux-mm@kvack.org, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nilfs@vger.kernel.org Subject: Re: return an ERR_PTR from __filemap_get_folio v2 Message-Id: <20230123105945.958075d46b0a05ffd545e276@linux-foundation.org> In-Reply-To: <20230122072006.GA3654@lst.de> References: <20230121065755.1140136-1-hch@lst.de> <20230121170641.121f4224a0e8304765bb4738@linux-foundation.org> <20230122072006.GA3654@lst.de> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: A661B40021 X-Stat-Signature: o4fwn8f3kup6bna7q5qr9kdza78wk7oe X-Rspam-User: X-HE-Tag: 1674500389-512509 X-HE-Meta: U2FsdGVkX1+TbTDuQMXGgr6kZh/i13NGlDMrrF7mWgnCnqbs6jKuOwGLZj8QAOIz62gIFGx52sRW62IbFZkWk+QgSoWdviSlrQtgZ0XbyIGI6PWv2uxxbO3S22l0dF7R4DeUKKlxzek1fk7Y3c936dCCOll9TXs+Syg6t964n8VvjwRvOUgu+j5Mq2MbMmXqOpdONcfoHec15/qMAhcZnJEvCfYy9c1diB+Kbml1OrQ+5/psU0+RB+lwxFPZz9a6Ah9rn91RkYWPCnV1GhHTsiVXyncH4qHxruI30WZNv7Ax7iwSvkEljBaDAVqfyzbJyDa81zadJDA6HgMaj141hWTQzuDtF+jHB55N45m/5n4GGcZq1IadS+XJx+oCvWR2EqOjyliQHzFm/pml6sIRNIeLJ34LZqZXar+kAhNjLUwqW21i2WjreiixZQhtwTsWWz3tG0LipBkXFkJRCylAq8E1QGp4FArS0fEj7jYzVwtM0xNIcxcE7Bh0noW4j2dDu4SQZkRYcILnvOsupZZzdY5h608DuHpDMN2ZrViqd1hEYj+zGebmA5cpsgEsA+7gF3wTH7Z9lyWjOk2ex2ehI6Twq8UOx+Gyigl0FZgU4z8gxhFcTHp9liV0usd2vFjqpIFyhL6/n9WFbIjnK62/DcW2Ng6TPuP5we+9bvtPxbTLkdGbwiDB0882nwvLkIDkThu5/uZ5EU5mHEmq7uaAOrf8v5QhR6CmZqYCoA1n+Lz0HGGnYz6qrZNjtXKrZxgCiLU+lVUUW99EbDBVenYG8CDrHT/UvwAq8HaUhxwnwTpyYwM2Cp+zTS3B9/9wwTxX3BoO9LzgYfqcSP/9c4XEWLxqDipui86zinZ+L0nEBX5m/PRZ6HWQwl7iOW++6zkWjqEY+gUkO1TvGQSb3Dvlm6Jy5Mpl6z3oLGTguNTPzQEFou3OL+16iVLGuPi6UgAmLIveu7LHjFsK1f2/Z38 S9R7Fs6q /802VyQbTTGtUUyYvsNE46cxk3PPUrUqWYSJJiUaxfcFtin8jxSYCqlHkJpegdGeFvtsaUVv5oRdpaotp+mn7yR049Y6fkoDHm04flsqpsQhmVXiF1nHSijFspVtQq2rfuFCO7hnWPmeC3M13ULic+CZHfEh5oCQVrbRIeN/d5yBOYD2L8If+na3ULJnCAuIc3wxtMMvzQUthPYEK8ECLc6ZCuuvxSlNNMQUVDFMLAdDqCbZM/l7wbkVEoD6SfcgvSejFv8lzPuRgFt2c7vUdwS8NbGCbhcg5Ms1sFcWiLhjF9B0lDmgQcYS4zFzpexiuV+9puCBw3ZOFOxGcAcDKwjgSZXM4G0mIrcoAgpjF49TEz7RoSLuu70KLfFYNJb1udr1kUOpVqniCCx9FJTgu1EYr3522CmWL5DpmWUIBQrMcmWtfgC6wzKjde28AbMVzLFg+SOQNjNbQo9U= 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 Sun, 22 Jan 2023 08:20:06 +0100 Christoph Hellwig wrote: > On Sat, Jan 21, 2023 at 05:06:41PM -0800, Andrew Morton wrote: > > This patchset doesn't apply to fs/btrfs/ because linux-next contains > > this 6+ month-old commit: > > Hmm. It was literally written against linux-next as of last morning, > which does not have that commit. Confused. According to https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/fs/btrfs/disk-io.c#n4023 it's there today. wait_dev_supers() has been foliofied.