From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from submarine.notk.org (submarine.notk.org [62.210.214.84]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 0D192168B1; Tue, 27 Aug 2024 04:38:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=62.210.214.84 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724733512; cv=none; b=kVIkO2CEfjVIaJvGgYtu6V70bMOwDE24+74NdCwIwVd4Z28/VOFJN7q83GEoUNQ1/ASSX/7ZnlygtWo7phLyWm9KX/yVAnB+Cv5m4A7X/U+FEp4xL7Qa+YFKBY5Wt+8bpanC4CtXd1p6z3GRiFzfP2KBeOjtAeWieMBDE78EWUs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724733512; c=relaxed/simple; bh=c6pKoqwuk772POxvjRR0/RQgGntmel0WU6LXGtNzUvY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=kO+iAsKuhUVND/4+uMSEFpm4UHALFEH/2YSc/oBx8pWZwrEDASNJF7tqm74UdyQRWoZOX7Rza0+DiN+pE2QzqnW2Tpbi5UGcWsHdcM4Z9FzYBCrM8f1l48mRpz+tXefFkCIeWs0lqt/Rbfx/r2Qu/NNAr792KcFHAZOTwii/Hjw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=codewreck.org; spf=pass smtp.mailfrom=codewreck.org; dkim=pass (2048-bit key) header.d=codewreck.org header.i=@codewreck.org header.b=G+gl7nFz; arc=none smtp.client-ip=62.210.214.84 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=codewreck.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=codewreck.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=codewreck.org header.i=@codewreck.org header.b="G+gl7nFz" Received: from gaia.codewreck.org (localhost [127.0.0.1]) by submarine.notk.org (Postfix) with ESMTPS id A70BA14C1E1; Tue, 27 Aug 2024 06:38:19 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=codewreck.org; s=2; t=1724733503; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=OnUOFfa1cXvnH0vOKRLWJ6eyfhXm7lycmgGX8luzNU8=; b=G+gl7nFzeTofUcm536xpOmm3Qw/J3YD2DA7/AVAd83QME9pVbEoosQksjVWi1/HCMZcfJ5 1azFTqhIalv1JIfR74tCSWnxaAA/nKmMVxTAMtuy5BG/KHVWlCJfQp1v/h+4VA3gwUJoV+ Am8NofUvQEQC7cr27qJQ3+mA798vWkaEhGBNwa8ojcCYa52ZRrDC7w+E8xCegyCJ7Jj6Y/ OYM0UNPvbm22X6IeM2w7ZCjRTGYGoqZ3symSV1GP0dd0oVE9Tmw9UYd8gkxPDqV+hkrWLw 38uGDtuXRSeRPilAgrashdU5X3BpvXQksLZ35ypFTbwiySug/XgEo5HZ6c5Dyw== Received: from localhost (gaia.codewreck.org [local]) by gaia.codewreck.org (OpenSMTPD) with ESMTPA id 1599ead8; Tue, 27 Aug 2024 04:38:17 +0000 (UTC) Date: Tue, 27 Aug 2024 13:38:02 +0900 From: Dominique Martinet To: Steve French Cc: Forest , David Howells , Steve French , Shyam Prasad N , Rohith Surabattula , Jeff Layton , linux-cifs@vger.kernel.org, netfs@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, regressions@lists.linux.dev, Christian Brauner Subject: Re: [REGRESSION] cifs: Subreq overread in dmesg, invalid argument & no data available in apps Message-ID: References: <37fncjpgsq45becdf2pdju0idf3hj3dtmb@sonic.net> Precedence: bulk X-Mailing-List: linux-cifs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Steve French wrote on Mon, Aug 26, 2024 at 11:27:33PM -0500: > I have also confirmed your theory that the regressions (there are > multiple) were likely caused by the netfs change added between > 6.11-rc3 and 6.11-rc4: > " 9p: Fix DIO read through netfs" > > But reverting the cifs.ko part of that patch alters the error but does > not completely fix the problem, so the netfs change is also related David sent a bunch of cifs fixes including this patch: https://lore.kernel.org/r/20240823200819.532106-8-dhowells@redhat.com "netfs, cifs: Fix handling of short DIO read" I don't have any samba server around to try myself, did you have a chance to have a look? That "9p" commit touches all netfs filesystems and definitely shouldn't have been labeled 9p (even if it does fix a 9p regression from an earlier netfs commit...), and this all feels a bit like falling forward but hopefully we can get this all fixed by the time 6.11 is ready... -- Dominique