From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linux.org.uk header.i=@linux.org.uk header.b="VNNzvhC7" Received: from zeniv.linux.org.uk (zeniv.linux.org.uk [IPv6:2a03:a000:7:0:5054:ff:fe1c:15ff]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2CE01BC for ; Sat, 18 Nov 2023 15:36:43 -0800 (PST) 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=p03pvU/XpM4YJ6OSu7IAy6nmhcSG/+SnmKCVHjdFI+8=; b=VNNzvhC78vvZzWVt1m2sxCtwo5 2mOZp7gjwY13FZYYAtFXUDOLk9NBER/BDK+LLztvkrsdPKHzzQZ357L6kUMXRfjDSxZCVs98FkhRl MGt0QAkO5koP4Zp5VzePhHDNaEi88HXEtEzPCMSmR0AQExxSF6VWlqe/vsiuT5itWpYgGydjtna1v RfEOLZFiBC/eXDKET/ujkPnryKLAD2Mi1O2DDGodSawMNWZdh2Ew5QJRmdxMsUQq5aAO+1qM5lLAx zvBY/WYt3gpAEgwnlhPrph3x64GeDScwWU0FRdjXVs0upuE4OdIyzJzaI6/WISsyDQmmN8nzM/iTS 4aRNaI7w==; Received: from viro by zeniv.linux.org.uk with local (Exim 4.96 #2 (Red Hat Linux)) id 1r4UrS-0002Ba-2q; Sat, 18 Nov 2023 23:36:26 +0000 Date: Sat, 18 Nov 2023 23:36:26 +0000 From: Al Viro To: Chuck Lever Cc: Chuck Lever , akpm@linux-foundation.org, brauner@kernel.org, hughd@google.com, jlayton@redhat.com, Tavian Barnes , linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v3] libfs: getdents() should return 0 after reaching EOD Message-ID: <20231118233626.GH1957730@ZenIV> References: <170033563101.235981.14540963282243913866.stgit@bazille.1015granger.net> 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: Sender: Al Viro On Sat, Nov 18, 2023 at 05:11:39PM -0500, Chuck Lever wrote: > We don't hold f_pos_lock in offset_dir_llseek(), though. We'd better... Which call chain leads to it without ->f_pos_lock?