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 27B9A2F872; Tue, 3 Feb 2026 04:18:54 +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=1770092338; cv=none; b=uZeTlrOoVvYb7FAa6Olb0XIV7mqYfAoeSoZeqgS9yZmbIXWKp/HiwRE42TkkLzdF9Y/K/U56kWNSi8TcSzGsFUwHFTslTSxe4xvKQs0XfZNLc7IAseywzdH/+p0rJU4K/tbg4fvpocFVgaiLyrb76jcPQJsG7uTrcosfLsklc8Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770092338; c=relaxed/simple; bh=T96g8RZf2HiNGWnfiiWDdqHaK1F796GT951hJ+BawgU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=CF0UTeDpupozV31KOUUvPhXSswLzcm1cSXDWO6sedVLndKX3QcYurs7ikNOQ0Du+NgIbiaXLmG7KNA7nDbGVc8STQesGE0Ay5RFmYvs7GAZ0mW23z/ZqkKLx+RPL0oXudPZtZSxd/OJTR8EYtrQxXEZc0yhv44UCcS7ZzvA695M= 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=WCMqgmbW; 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="WCMqgmbW" 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=j1EC3qmx1utMyRmMhZAixXk0veYGDBA20z6LB+wdtE4=; b=WCMqgmbWqBWHiuofigjqa/ucVy ICoza4SxJDvdD4jHCsxn1SlzA2Ffir47CN3Nt52ORO7RiNenS2oGFwjHn2icg43T1p8/t2j2SYexR 7NJxdDz1D982a6S6lkbg1PgJEBmGw1j4h8+tkp5KPsZ5utK5f1XKgYBIc6IzgDxrx2oRSyM2Tn0/k SZgl1PVIJQA982nsBr9/eIfEVm/R/U5y30DCKvDdnnqe3laT5b5F3ZJkCEm40rcQboVKPfydeKbfz 5Kfp+Yhx7/0ebFJ/OI/byBgJNpc6UtwOwgtkT4r+OtRJ3jS1dQid3cxImNr9vDgD5Ji7PnezXZvpU zNvBO7kQ==; Received: from viro by zeniv.linux.org.uk with local (Exim 4.99.1 #2 (Red Hat Linux)) id 1vn7uG-0000000EktT-1dlK; Tue, 03 Feb 2026 04:20:52 +0000 Date: Tue, 3 Feb 2026 04:20:52 +0000 From: Al Viro To: Christian Brauner Cc: Mateusz Guzik , jack@suse.cz, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, hughd@google.com, linux-ext4@vger.kernel.org, tytso@mit.edu, linux-mm@kvack.org Subject: Re: [PATCH v3 0/3] symlink length caching Message-ID: <20260203042052.GE3183987@ZenIV> References: <20241120112037.822078-1-mjguzik@gmail.com> <20241121-blatt-akkubetrieben-ad5d655d184a@brauner> Precedence: bulk X-Mailing-List: linux-fsdevel@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: <20241121-blatt-akkubetrieben-ad5d655d184a@brauner> Sender: Al Viro On Thu, Nov 21, 2024 at 01:34:44PM +0100, Christian Brauner wrote: > [1/3] vfs: support caching symlink lengths in inodes > https://git.kernel.org/vfs/vfs/c/5cbb3c7e0051 > [2/3] ext4: use inode_set_cached_link() > https://git.kernel.org/vfs/vfs/c/740456f67017 > [3/3] tmpfs: use inode_set_cached_link() > https://git.kernel.org/vfs/vfs/c/30071e02c163 _Very_ belated note: that needs D/f/porting.rst chunk that would cover readlink_copy() calling conventions change.