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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 386A8CA0EC4 for ; Wed, 13 Aug 2025 00:01:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=j4r1hppquktqtYidrhW4W0wl7fe8offrZaopf6cG3G0=; b=RLBMrAOIkqf8SGbOvzTDjeM1yc i10kBrqau7EWp5lxQPvTnZRGme+3MHsic4thcDXPwpRkDzruO+3QBrvtcL/cMaUOfr5aZoIzxFlXx LwVg0VnpPkrh0mMUN54OokkHetREp+hecOhhJ/yRaZFIYKLAev7KE0jXFe8Z/4oLhXk6EVFcYhApM by3v4QSDzPMoX/+nvvF6+Bms0D9x+WtVAADfQOHqa3z3Ypkzu8wPmeBHov6tOGVqhWpQo7Lm7LVYq EbPDyHf/W+GnFMxQAPj245n4JtUH1ZQcgYIaSf+TYNjOOn7i47hM+zdz/jy7rYf0buiowzMId4aAK zaotOH7A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ulyvl-0000000CFmD-1OUO; Wed, 13 Aug 2025 00:01:25 +0000 Received: from zeniv.linux.org.uk ([2a03:a000:7:0:5054:ff:fe1c:15ff]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1ulyvi-0000000CFlW-10gi; Wed, 13 Aug 2025 00:01:23 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=linux.org.uk; s=zeniv-20220401; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=j4r1hppquktqtYidrhW4W0wl7fe8offrZaopf6cG3G0=; b=cZbBypArsAwEupU5gvJSbx81kI Qosd5QsgwcTBqjCvjrl9+522yt1DsRHkxW3rP4QAtNBLuPkNqySvn9xNhx4W8UKAuQRjCZFER9Q+q OU7f9ZV2fnoJgxNmuLvs+ROm2HQIttuS7sdzJM4TKl8JXUJt7kHFJ0HzLbIvH539ChpirDHa95hk0 0jIldmck0numN0slLAIZ1NO2d/wYZ2QGgElgnPrudAOXVUCPogdbljQ+lo4cAZuF/fAYQ7+h58qa0 Y+ivu7VmgfbRR4UATQ5PHl9u0DWkjAMVf4kUbfjIu4pzP85eSzA7U8m0V2v8gQf19C/Fc36DoyW7p DX85i4rQ==; Received: from viro by zeniv.linux.org.uk with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1ulyvN-00000003Gyx-2z1h; Wed, 13 Aug 2025 00:01:01 +0000 Date: Wed, 13 Aug 2025 01:01:01 +0100 From: Al Viro To: NeilBrown Cc: Christian Brauner , Jan Kara , David Howells , Marc Dionne , Xiubo Li , Ilya Dryomov , Tyler Hicks , Miklos Szeredi , Richard Weinberger , Anton Ivanov , Johannes Berg , Trond Myklebust , Anna Schumaker , Chuck Lever , Jeff Layton , Amir Goldstein , Steve French , Namjae Jeon , Carlos Maiolino , linux-fsdevel@vger.kernel.org, linux-afs@lists.infradead.org, netfs@lists.linux.dev, ceph-devel@vger.kernel.org, ecryptfs@vger.kernel.org, linux-um@lists.infradead.org, linux-nfs@vger.kernel.org, linux-unionfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-xfs@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 00/11] VFS: prepare for changes to directory locking Message-ID: <20250813000101.GW222315@ZenIV> References: <20250812235228.3072318-1-neil@brown.name> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250812235228.3072318-1-neil@brown.name> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250812_170122_277217_044B098B X-CRM114-Status: UNSURE ( 9.22 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-um" Errors-To: linux-um-bounces+linux-um=archiver.kernel.org@lists.infradead.org On Tue, Aug 12, 2025 at 12:25:03PM +1000, NeilBrown wrote: > This is the first of 3 sets of patches which, together, allow > filesystems to opt-out of having the directory inode lock held over > directory operations (except readdir). [just a quick reply for now - I'm going to be away for about an hour, then will review and reply]