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 5B53FC2BB84 for ; Wed, 17 Mar 2021 01:03:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2986A64EBD for ; Wed, 17 Mar 2021 01:03:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232101AbhCQBCx (ORCPT ); Tue, 16 Mar 2021 21:02:53 -0400 Received: from mail.kernel.org ([198.145.29.99]:36062 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232305AbhCQA7I (ORCPT ); Tue, 16 Mar 2021 20:59:08 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C5B0164F06; Wed, 17 Mar 2021 00:59:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1615942745; bh=MV/3/qb1PE/vzEFEs3JRSELdMgkH0lcziOW1fw2UHGE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YDk7Ng2hZVdB08UOpWHSy5aQBW1vKoM2eWcKrPfg2EjxVcWzooghQf4aN0793Ypbs JyI6tLO9od/IEAOXFIVkeIr+aBLvcdhIB2fUgfxzpUxAWxAIF4+CBDNNGpsz06DAh1 EBch7VfOZMY0niraQdM7D0A4n2+5ldNP2n7+tFkkn09JUFX/BylWDP+tYNcwnEEtsb 3f/6hpSSzKOCJdnH9mhDzaqpUW++POw96ccCp8XEqmY5E1zBH6/mUWMnlnm1uef+EM /YGm2mS05+xPumOGT+AC14iNCyo9LKRtwZbxYE8Qo9RzOAX82XFp39fmmCtTiVfg9G 4x9exrzVTfdRQ== 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 4.19 12/23] NFS: Correct size calculation for create reply length Date: Tue, 16 Mar 2021 20:58:38 -0400 Message-Id: <20210317005850.726479-12-sashal@kernel.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210317005850.726479-1-sashal@kernel.org> References: <20210317005850.726479-1-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 9956453aa6ff..0ed419bb02b0 100644 --- a/fs/nfs/nfs3xdr.c +++ b/fs/nfs/nfs3xdr.c @@ -34,6 +34,7 @@ */ #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)) @@ -71,7 +72,7 @@ #define NFS3_readlinkres_sz (1+NFS3_post_op_attr_sz+1) #define NFS3_readres_sz (1+NFS3_post_op_attr_sz+3) #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) -- 2.30.1