From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 417EBC2BA1E for ; Wed, 17 Mar 2021 00:59:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2D66664F9C for ; Wed, 17 Mar 2021 00:59:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232402AbhCQA7c (ORCPT ); Tue, 16 Mar 2021 20:59:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:35238 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231607AbhCQA5V (ORCPT ); Tue, 16 Mar 2021 20:57:21 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 6720664FA8; Wed, 17 Mar 2021 00:57:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1615942641; bh=F+/1jRtl4oh8fKzC81jYd6ay7UwsjSgYDTNsZApfhJ4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qzDxjrQsV3MzdDxwAsfQiVLK6IcIHdAdEZDG4v8DPSy6WQzjwWRRYylO2dIjxkz9J Dj5CSqzBx6Fj4hzN8jCWLTgFDXKYlAZqcY6hBEbVKjMIomxMwtH/1ZuU4M2kxKTZ84 SowY7f+RDYYVwemvWmFbuUyKrM8NHAMzl421N1mBTH2G3SpwEyEHwkjQORYGl26swE VkG7Pg8Rmrgh1Rbsu4wnrqUbGrI25f3fzvwg52wDl5kfS5DDcjH+0SoqgwbVSzZ5Kk rtHjvau/mFPoNgG2IJ7Q6dmMEH5Yfhqfj2MEWdpprKHbtD9dVvIiUR5joG8Fv9iton BajSFENghLNmw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Frank Sorenson , Anna Schumaker , Sasha Levin , linux-nfs@vger.kernel.org Subject: [PATCH AUTOSEL 5.10 21/54] NFS: Correct size calculation for create reply length Date: Tue, 16 Mar 2021 20:56:20 -0400 Message-Id: <20210317005654.724862-21-sashal@kernel.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210317005654.724862-1-sashal@kernel.org> References: <20210317005654.724862-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Frank Sorenson [ Upstream commit ad3dbe35c833c2d4d0bbf3f04c785d32f931e7c9 ] CREATE requests return a post_op_fh3, rather than nfs_fh3. The post_op_fh3 includes an extra word to indicate 'handle_follows'. Without that additional word, create fails when full 64-byte filehandles are in use. Add NFS3_post_op_fh_sz, and correct the size calculation for NFS3_createres_sz. Signed-off-by: Frank Sorenson Signed-off-by: Anna Schumaker Signed-off-by: Sasha Levin --- fs/nfs/nfs3xdr.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c index 69971f6c840d..dff6b52d26a8 100644 --- a/fs/nfs/nfs3xdr.c +++ b/fs/nfs/nfs3xdr.c @@ -35,6 +35,7 @@ */ #define NFS3_fhandle_sz (1+16) #define NFS3_fh_sz (NFS3_fhandle_sz) /* shorthand */ +#define NFS3_post_op_fh_sz (1+NFS3_fh_sz) #define NFS3_sattr_sz (15) #define NFS3_filename_sz (1+(NFS3_MAXNAMLEN>>2)) #define NFS3_path_sz (1+(NFS3_MAXPATHLEN>>2)) @@ -72,7 +73,7 @@ #define NFS3_readlinkres_sz (1+NFS3_post_op_attr_sz+1+1) #define NFS3_readres_sz (1+NFS3_post_op_attr_sz+3+1) #define NFS3_writeres_sz (1+NFS3_wcc_data_sz+4) -#define NFS3_createres_sz (1+NFS3_fh_sz+NFS3_post_op_attr_sz+NFS3_wcc_data_sz) +#define NFS3_createres_sz (1+NFS3_post_op_fh_sz+NFS3_post_op_attr_sz+NFS3_wcc_data_sz) #define NFS3_renameres_sz (1+(2 * NFS3_wcc_data_sz)) #define NFS3_linkres_sz (1+NFS3_post_op_attr_sz+NFS3_wcc_data_sz) #define NFS3_readdirres_sz (1+NFS3_post_op_attr_sz+2+1) -- 2.30.1