From patchwork Mon Oct 19 20:05:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Trond Myklebust X-Patchwork-Id: 11845101 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5AFC361C for ; Mon, 19 Oct 2020 20:07:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3C513223FB for ; Mon, 19 Oct 2020 20:07:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603138074; bh=cgrozDlS18uUWHQbhKg4LtQ89oDU0R79IgAi9RatH3M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=OrKNahOvUjpawh27+kq6pGlWekNt0opRhkflgC93ri7YS7/dlU4e0kYlixc6IXlpj lMQzImz/1Mo+QgCbhTsLN0vOMIccYT6sR3cKil9vPLoxfq06IavwS18eXnWygekZ/C T7VHD1E7WtHCnr0Spi3fljRSZF73ruF3C6sXZnpg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729120AbgJSUHx (ORCPT ); Mon, 19 Oct 2020 16:07:53 -0400 Received: from mail.kernel.org ([198.145.29.99]:36928 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725975AbgJSUHx (ORCPT ); Mon, 19 Oct 2020 16:07:53 -0400 Received: from localhost.localdomain (c-68-36-133-222.hsd1.mi.comcast.net [68.36.133.222]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7B00E223BF; Mon, 19 Oct 2020 20:07:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603138072; bh=cgrozDlS18uUWHQbhKg4LtQ89oDU0R79IgAi9RatH3M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jf0IWkARylEWxhrKF8TUQ+A+lstfeaLOyRF259eAFyuy785Q0wpi33dysf+a9UlZQ BYKpJIEzIQbaTLB2s3H1SpHCCOdVf9YM6RxIX0DfKE2MhDQC7gKDPRWSQkFYzrnQE8 Z8Yfyosf/zdkK2k3KzoRVOMRPMs1QcSdRJbLJpOU= From: trondmy@kernel.org To: Daire Byrne Cc: linux-nfs@vger.kernel.org Subject: [PATCH v2 1/2] NFSv3: Refactor nfs3_proc_lookup() to split out the dentry Date: Mon, 19 Oct 2020 16:05:42 -0400 Message-Id: <20201019200543.606847-2-trondmy@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201019200543.606847-1-trondmy@kernel.org> References: <279389889.68934777.1603124383614.JavaMail.zimbra@dneg.com> <20201019200543.606847-1-trondmy@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org From: Trond Myklebust We want to reuse the lookup code in NFSv3 in order to emulate the NFSv4 lookupp operation. Signed-off-by: Trond Myklebust --- fs/nfs/nfs3proc.c | 33 ++++++++++++++++++++++----------- 1 file changed, 22 insertions(+), 11 deletions(-) diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c index 2397ceedba8a..acbdf7496d31 100644 --- a/fs/nfs/nfs3proc.c +++ b/fs/nfs/nfs3proc.c @@ -154,14 +154,14 @@ nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, } static int -nfs3_proc_lookup(struct inode *dir, struct dentry *dentry, - struct nfs_fh *fhandle, struct nfs_fattr *fattr, - struct nfs4_label *label) +__nfs3_proc_lookup(struct inode *dir, const char *name, size_t len, + struct nfs_fh *fhandle, struct nfs_fattr *fattr, + unsigned short task_flags) { struct nfs3_diropargs arg = { .fh = NFS_FH(dir), - .name = dentry->d_name.name, - .len = dentry->d_name.len + .name = name, + .len = len }; struct nfs3_diropres res = { .fh = fhandle, @@ -173,17 +173,11 @@ nfs3_proc_lookup(struct inode *dir, struct dentry *dentry, .rpc_resp = &res, }; int status; - unsigned short task_flags = 0; - - /* Is this is an attribute revalidation, subject to softreval? */ - if (nfs_lookup_is_soft_revalidate(dentry)) - task_flags |= RPC_TASK_TIMEOUT; res.dir_attr = nfs_alloc_fattr(); if (res.dir_attr == NULL) return -ENOMEM; - dprintk("NFS call lookup %pd2\n", dentry); nfs_fattr_init(fattr); status = rpc_call_sync(NFS_CLIENT(dir), &msg, task_flags); nfs_refresh_inode(dir, res.dir_attr); @@ -198,6 +192,23 @@ nfs3_proc_lookup(struct inode *dir, struct dentry *dentry, return status; } +static int +nfs3_proc_lookup(struct inode *dir, struct dentry *dentry, + struct nfs_fh *fhandle, struct nfs_fattr *fattr, + struct nfs4_label *label) +{ + unsigned short task_flags = 0; + + /* Is this is an attribute revalidation, subject to softreval? */ + if (nfs_lookup_is_soft_revalidate(dentry)) + task_flags |= RPC_TASK_TIMEOUT; + + dprintk("NFS call lookup %pd2\n", dentry); + return __nfs3_proc_lookup(dir, dentry->d_name.name, + dentry->d_name.len, fhandle, fattr, + task_flags); +} + static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry) { struct nfs3_accessargs arg = {