From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from zeniv.linux.org.uk (zeniv.linux.org.uk [62.89.141.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7FAC1163; Wed, 13 Aug 2025 00:01:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=62.89.141.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755043281; cv=none; b=mhkrT0POOITMy7Gu4PJVSFZIihL428GpZxf7fqHP1BFe1ZRHlKG+NOOl1PU3b3j/qKJIc8xgL9cC5E5D48ONBlBJTkZuDDUg4X5a86yewpb/5OEH6M9VLqjJ92rWeMwfxfPlU4D2GA8q+a5fu+hX/RpLciyDblC2MVfvK2TRBeo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755043281; c=relaxed/simple; bh=j4r1hppquktqtYidrhW4W0wl7fe8offrZaopf6cG3G0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dhfPFzbd/82yY6tDiLtDkCoR7YhAWEwQrRxkDreopdzzoi0J1d4SylvlE5o7NqN3auxnljo8eqCfyHWmlhj72qisNVPuhDCpMMYThw/dyZDS0GEt7InEtiR8bjf0hsm3TXNvSlPAS4bcWMDa1WdRhGzCE0i8V3omEqwBZBEpvC0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zeniv.linux.org.uk; spf=none smtp.mailfrom=ftp.linux.org.uk; dkim=pass (2048-bit key) header.d=linux.org.uk header.i=@linux.org.uk header.b=cZbBypAr; arc=none smtp.client-ip=62.89.141.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zeniv.linux.org.uk Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=ftp.linux.org.uk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linux.org.uk header.i=@linux.org.uk header.b="cZbBypAr" 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> Precedence: bulk X-Mailing-List: ecryptfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250812235228.3072318-1-neil@brown.name> Sender: Al Viro 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]