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 D10ECC433EF for ; Fri, 10 Jun 2022 12:39:07 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 3F6D68D009A; Fri, 10 Jun 2022 08:39:07 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3A5A18D0090; Fri, 10 Jun 2022 08:39:07 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 26DF38D009A; Fri, 10 Jun 2022 08:39:07 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 174868D0090 for ; Fri, 10 Jun 2022 08:39:07 -0400 (EDT) Received: from smtpin24.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id DD0D534FDB for ; Fri, 10 Jun 2022 12:39:06 +0000 (UTC) X-FDA: 79562281092.24.01ACD5E Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf15.hostedemail.com (Postfix) with ESMTP id 808CCA005F for ; Fri, 10 Jun 2022 12:39:06 +0000 (UTC) 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 dfw.source.kernel.org (Postfix) with ESMTPS id 62BB8621BB; Fri, 10 Jun 2022 12:39:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3157FC3411D; Fri, 10 Jun 2022 12:39:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1654864744; bh=QquaXn+0DawAtSVlv6/jK0qbZNkIk3eB0anaNNpZSqw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=CtkmRKen5p6Hxrw4yI4cFpRQ+7VcGe0PH8Mrbn6hagAOMFsK+wI9jdN/0gR80/OHA 8T94VG9UjGjhQmeZWdxdXPaLBYMT5Nc74qt2BzWzC53nVg0pD8hpi0Vz8f/FX3ztvI H6pSvH/gG3c7TDixgAiaAwoPYY6pM5PbfUJjtpn0axf2AqKiX5W4stTxMhjsU8ugS/ Aj7Nvw/BkNEst6Iy4iB4JQ7GhCBrjN0NbHOP/VSQhfQL8FwvVGB5aP4+j/MyGv7lRa v7pwvsKqko7F36++U+vx5RoVXw1BJBZmOhU6xwDNRWfDgo3DZzLcT8IxhimoLgZzNL mubNp+jYnGMZw== Date: Fri, 10 Jun 2022 14:38:58 +0200 From: Christian Brauner To: Stefan Roesch Cc: io-uring@vger.kernel.org, kernel-team@fb.com, linux-mm@kvack.org, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, david@fromorbit.com, jack@suse.cz, hch@infradead.org, axboe@kernel.dk, Christoph Hellwig Subject: Re: [PATCH v8 10/14] fs: Add async write file modification handling. Message-ID: <20220610123858.bohqbxomim7arq6w@wittgenstein> References: <20220608171741.3875418-1-shr@fb.com> <20220608171741.3875418-11-shr@fb.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20220608171741.3875418-11-shr@fb.com> ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1654864746; 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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=BmnPkQWhiL90J11AGQC4qRvwKQ/vuHpefSxYTCYsfUo=; b=eJRZ11QQjXRPDauMTOBrj42Wq8rQIxUvtf/YNuE1r8Fhwu0hvMIRvJaHVUJFNpHCyJ7iFT HMuM84Ah5NCbP7JEbrvIq5WGgyWnieqIinpMXbVL5xcPTzZTGKFd7vPFdHBFnnsNgFGbaQ jUGmeUY/jqJUzJPnrvSeZfqf2dF4o60= ARC-Authentication-Results: i=1; imf15.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=CtkmRKen; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf15.hostedemail.com: domain of brauner@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=brauner@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1654864746; a=rsa-sha256; cv=none; b=fCG7MOcVD+BantyM82oTU5ptIyw2GvAazT7Des26dpRlwtqvNKC3Byft64wzGX+D4Yj2gG Wa4Rb+MhHHd5bI5r/DRv+/eKDvmmqWMPxJtlgjoYI4znkDOc/WRCMGlHM+H4JCJfLyHp1f C3bc0fvru1fDqsrvcTTL4tnei9JiTY8= X-Stat-Signature: ma6xc5oqa3mdgrwjzwq73k7a7jsqn7cx X-Rspamd-Queue-Id: 808CCA005F Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=CtkmRKen; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf15.hostedemail.com: domain of brauner@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=brauner@kernel.org X-Rspam-User: X-Rspamd-Server: rspam05 X-HE-Tag: 1654864746-410064 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, Jun 08, 2022 at 10:17:37AM -0700, Stefan Roesch wrote: > This adds a file_modified_async() function to return -EAGAIN if the > request either requires to remove privileges or needs to update the file > modification time. This is required for async buffered writes, so the > request gets handled in the io worker of io-uring. > > Signed-off-by: Stefan Roesch > Reviewed-by: Christoph Hellwig > Reviewed-by: Jan Kara > --- Looks good to me, Reviewed-by: Christian Brauner (Microsoft)