From patchwork Wed Aug 3 19:46:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Al Viro X-Patchwork-Id: 12935869 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D7DF4C19F28 for ; Wed, 3 Aug 2022 19:46:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237012AbiHCTqb (ORCPT ); Wed, 3 Aug 2022 15:46:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45140 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233409AbiHCTqa (ORCPT ); Wed, 3 Aug 2022 15:46:30 -0400 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 55D821D307; Wed, 3 Aug 2022 12:46:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=linux.org.uk; s=zeniv-20220401; h=Sender:Content-Type:MIME-Version: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:In-Reply-To:References; bh=ypV51LSC2yLMN8naik/AVolcR5swmIC7+UCe5lt32x0=; b=k1CL8+0uDNr3/hJG7V3DswqHe6 t/Rz+U7fIA8MsFqtjQpBeBhmV9WX1tdcw3qexjJ5OUN34MsE+hpXZ1SIR3LJwQlQppA9TL2vxnwwk 7EicddrS3b7NLPKiMozXtEXU4Flv60OD3ao/v6WjBqVQTnKbWC8B1deiHGBuFOsePNCUYBmc0YS6G Eq5UgLjfGoO02vjxWMHm73wgrzYmIW10km3JtZLIs7/NLy0mxfmT9HVJyoZchITqOrmSU+wYZJI6S tUXX+ihpQSbVPkd93esen0HFlIi9vwvoSdlsHSIqBMFM+SEmSbpcyOdsLRD2WsNacJgsxmFWi+VjN Mf70bO8g==; Received: from viro by zeniv.linux.org.uk with local (Exim 4.95 #2 (Red Hat Linux)) id 1oJKK2-000vYN-C1; Wed, 03 Aug 2022 19:46:26 +0000 Date: Wed, 3 Aug 2022 20:46:26 +0100 From: Al Viro To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, v9fs-developer@lists.sourceforge.net Subject: [git pull] vfs.git 9p fix Message-ID: MIME-Version: 1.0 Content-Disposition: inline Sender: Al Viro Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org The following changes since commit f2906aa863381afb0015a9eb7fefad885d4e5a56: Linux 5.19-rc1 (2022-06-05 17:18:54 -0700) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git tags/pull-work.9p for you to fetch changes up to f615625a44c4e641460acf74c91cedfaeab0dd28: 9p: handling Rerror without copy_from_iter_full() (2022-06-09 10:01:34 -0400) ---------------------------------------------------------------- net/9p abuses iov_iter primitives - attempts to copy _from_ a destination-only iov_iter when it handles Rerror arriving in reply to zero-copy request. Not hard to fix, fortunately; it's a prereq for the iov_iter_get_pages() work in the second part of iov_iter series, ended up in a separate branch. Signed-off-by: Al Viro ---------------------------------------------------------------- Al Viro (1): 9p: handling Rerror without copy_from_iter_full() net/9p/client.c | 86 +-------------------------------------------------- net/9p/trans_virtio.c | 34 ++++++++++++++++++++ 2 files changed, 35 insertions(+), 85 deletions(-)