From patchwork Wed Apr 20 18:29:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chuck Lever X-Patchwork-Id: 12820668 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 CE835C433FE for ; Wed, 20 Apr 2022 18:29:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1381490AbiDTScO (ORCPT ); Wed, 20 Apr 2022 14:32:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53050 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1381512AbiDTScI (ORCPT ); Wed, 20 Apr 2022 14:32:08 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ABD1238BFF; Wed, 20 Apr 2022 11:29:21 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4746B61B1F; Wed, 20 Apr 2022 18:29:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8B495C385A0; Wed, 20 Apr 2022 18:29:20 +0000 (UTC) Subject: [PATCH RFC 7/8] NFSD: Clean up nfsd_open_verified() From: Chuck Lever To: linux-nfs@vger.kernel.org, linux-fsdevel@vger.kernel.org Date: Wed, 20 Apr 2022 14:29:19 -0400 Message-ID: <165047935951.1829.4140838884832238133.stgit@manet.1015granger.net> In-Reply-To: <165047903719.1829.18357114060053600197.stgit@manet.1015granger.net> References: <165047903719.1829.18357114060053600197.stgit@manet.1015granger.net> User-Agent: StGit/1.5 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org Its only caller always passes S_IFREG as the @type parameter. As an additional clean-up, add a kerneldoc comment. Signed-off-by: Chuck Lever --- fs/nfsd/filecache.c | 4 ++-- fs/nfsd/vfs.c | 15 ++++++++++++--- fs/nfsd/vfs.h | 2 +- 3 files changed, 15 insertions(+), 6 deletions(-) diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index 2c1b027774d4..781bef7e42d9 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -995,8 +995,8 @@ nfsd_file_acquire(struct svc_rqst *rqstp, struct svc_fh *fhp, nf->nf_mark = nfsd_file_mark_find_or_create(nf); if (nf->nf_mark) - status = nfsd_open_verified(rqstp, fhp, S_IFREG, - may_flags, &nf->nf_file); + status = nfsd_open_verified(rqstp, fhp, may_flags, + &nf->nf_file); else status = nfserr_jukebox; /* diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 407976830a2b..893b5f21dab9 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -827,14 +827,23 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, umode_t type, return err; } +/** + * nfsd_open_verified - Open a regular file for the filecache + * @rqstp: RPC request + * @fhp: NFS filehandle of the file to open + * @may_flags: internal permission flags + * @filp: OUT: open "struct file *" + * + * Returns an nfsstat value in network byte order. + */ __be32 -nfsd_open_verified(struct svc_rqst *rqstp, struct svc_fh *fhp, umode_t type, - int may_flags, struct file **filp) +nfsd_open_verified(struct svc_rqst *rqstp, struct svc_fh *fhp, int may_flags, + struct file **filp) { __be32 err; validate_process_creds(); - err = __nfsd_open(rqstp, fhp, type, may_flags, filp); + err = __nfsd_open(rqstp, fhp, S_IFREG, may_flags, filp); validate_process_creds(); return err; } diff --git a/fs/nfsd/vfs.h b/fs/nfsd/vfs.h index f99794b033a5..26347d76f44a 100644 --- a/fs/nfsd/vfs.h +++ b/fs/nfsd/vfs.h @@ -86,7 +86,7 @@ __be32 nfsd_setxattr(struct svc_rqst *rqstp, struct svc_fh *fhp, int nfsd_open_break_lease(struct inode *, int); __be32 nfsd_open(struct svc_rqst *, struct svc_fh *, umode_t, int, struct file **); -__be32 nfsd_open_verified(struct svc_rqst *, struct svc_fh *, umode_t, +__be32 nfsd_open_verified(struct svc_rqst *, struct svc_fh *, int, struct file **); __be32 nfsd_splice_read(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, loff_t offset,