From patchwork Wed Jul 22 05:15:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiao Yang X-Patchwork-Id: 11677259 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 01EDF913 for ; Wed, 22 Jul 2020 05:22:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E514E207DD for ; Wed, 22 Jul 2020 05:22:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726161AbgGVFW1 (ORCPT ); Wed, 22 Jul 2020 01:22:27 -0400 Received: from mail.cn.fujitsu.com ([183.91.158.132]:8494 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726147AbgGVFW1 (ORCPT ); Wed, 22 Jul 2020 01:22:27 -0400 X-IronPort-AV: E=Sophos;i="5.75,381,1589212800"; d="scan'208";a="96728511" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 22 Jul 2020 13:22:24 +0800 Received: from G08CNEXMBPEKD04.g08.fujitsu.local (unknown [10.167.33.201]) by cn.fujitsu.com (Postfix) with ESMTP id B60F44CE5059; Wed, 22 Jul 2020 13:22:23 +0800 (CST) Received: from G08CNEXCHPEKD05.g08.fujitsu.local (10.167.33.203) by G08CNEXMBPEKD04.g08.fujitsu.local (10.167.33.201) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 22 Jul 2020 13:22:23 +0800 Received: from Fedora-30.g08.fujitsu.local (10.167.220.106) by G08CNEXCHPEKD05.g08.fujitsu.local (10.167.33.209) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 22 Jul 2020 13:22:23 +0800 From: Xiao Yang To: , CC: , Xiao Yang Subject: [PATCH] xfs_io: Document '-q' option for sendfile command Date: Wed, 22 Jul 2020 13:15:07 +0800 Message-ID: <20200722051507.13322-1-yangx.jy@cn.fujitsu.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 X-yoursite-MailScanner-ID: B60F44CE5059.A9641 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: yangx.jy@cn.fujitsu.com X-Spam-Status: No Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org Signed-off-by: Xiao Yang Reviewed-by: Eric Sandeen --- io/sendfile.c | 3 ++- man/man8/xfs_io.8 | 6 +++++- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/io/sendfile.c b/io/sendfile.c index ff012c81..a003bb55 100644 --- a/io/sendfile.c +++ b/io/sendfile.c @@ -25,6 +25,7 @@ sendfile_help(void) " Copies data between one file descriptor and another. Because this copying\n" " is done within the kernel, sendfile does not need to transfer data to and\n" " from user space.\n" +" -q -- quiet mode, do not write anything to standard output.\n" " -f -- specifies an input file from which to source data to write\n" " -i -- specifies an input file name from which to source data to write.\n" " An offset and length in the source file can be optionally specified.\n" @@ -168,7 +169,7 @@ sendfile_init(void) sendfile_cmd.argmax = -1; sendfile_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK; sendfile_cmd.args = - _("-i infile | -f N [off len]"); + _("[-q] -i infile | -f N [off len]"); sendfile_cmd.oneline = _("Transfer data directly between file descriptors"); sendfile_cmd.help = sendfile_help; diff --git a/man/man8/xfs_io.8 b/man/man8/xfs_io.8 index d3eb3e7e..caf3f15c 100644 --- a/man/man8/xfs_io.8 +++ b/man/man8/xfs_io.8 @@ -541,13 +541,17 @@ manual page to allocate and zero blocks within the range. Truncates the current file at the given offset using .BR ftruncate (2). .TP -.BI "sendfile \-i " srcfile " | \-f " N " [ " "offset length " ] +.BI "sendfile [ \-q ] \-i " srcfile " | \-f " N " [ " "offset length " ] On platforms which support it, allows a direct in-kernel copy between two file descriptors. The current open file is the target, the source must be specified as another open file .RB ( \-f ) or by path .RB ( \-i ). +.RS 1.0i +.B \-q +quiet mode, do not write anything to standard output. +.RE .TP .BI "readdir [ -v ] [ -o " offset " ] [ -l " length " ] " Read a range of directory entries from a given offset of a directory.