From patchwork Tue Nov 7 13:23:01 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Minwoo Im X-Patchwork-Id: 10046681 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id CB3FF60247 for ; Tue, 7 Nov 2017 13:23:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BAB9428F56 for ; Tue, 7 Nov 2017 13:23:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AEF8728FD2; Tue, 7 Nov 2017 13:23:22 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.5 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RCVD_IN_SORBS_SPAM autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1966128F56 for ; Tue, 7 Nov 2017 13:23:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934149AbdKGNXV (ORCPT ); Tue, 7 Nov 2017 08:23:21 -0500 Received: from mail-pf0-f196.google.com ([209.85.192.196]:52532 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933608AbdKGNXU (ORCPT ); Tue, 7 Nov 2017 08:23:20 -0500 Received: by mail-pf0-f196.google.com with SMTP id e64so10312129pfk.9 for ; Tue, 07 Nov 2017 05:23:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=vogPoy8l66k4mKK6kLbQdTUectou9cFhTp08Vc41VoM=; b=TiMHYzSZxG2Ftza3MrAk0uANEqmGHY6tcOZtwz8BZUpByF/icEKf/cv0Jy/xG+nnnX u/13q848+0wAQzu9n/5RONn/kp2LrMV4rOOEto6HrlfN++7mOAtdOUCizzg8Gqm4MFzw /a6YWfcoeYbquy8so2ylFbZ0pptgsSgZnNH/zuBXLmxyds/hw5lfFjDP76oPOoIUJs9K FIV/viU5KZ74aKC6U7KPYbGmgxTTxWgR6AEkLpH6+bbh6eP+urgmaUfLx6DC2cDMPcuB jX+XFUDTDQ9h3isxGZpn1eI1MLOf6w89ZI7VXJqY+n5Vp4IK6LA7tY/FVrS46AfngqaF QqEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=vogPoy8l66k4mKK6kLbQdTUectou9cFhTp08Vc41VoM=; b=Jqk6O8CRbxinTWcbgsC1D8T4w8IfsMFtZcC9W4PPmxZrXvh6cyU/0UkKtJNVwgCP0V b30SjBawqAbDWvdx/pvT8liw/gwTX0DRStqg3aDBDiVqzLeQnc8VD6pzrjG9x6ZNF0Hv 3aISVhsqLqzoCydUVAmBlAY4SbigGXz5T2+7Wb294UDyV7B/7Qq+mRjW+fTWI9y3aq0F uPsQiIbo7/G0FTqr7Jf8lqZrxwazxxQXfxkme2RFvt6uHeyAwWGty4tWDZvgTJ2l6ovV 1awnhsYpmHMUuGGnpop6bsLZE4CFY68d5h6FhRB92V6aeiCeE2m1bq88b6Bma0FGQSCR 3NIA== X-Gm-Message-State: AMCzsaUKCbgM28INhv3ok3VOJxjK4kTgdLmFacZfD26un/AKkByyGBrl NL55b3jque5Xr10P+Tvzce0= X-Google-Smtp-Source: ABhQp+Q6xZbTsRerDtk6ONhOWrxmOAF7nsAmyBbQXVLZi77WY375EJmmGkNn1A2JkUKIXlUBHV2snQ== X-Received: by 10.84.133.132 with SMTP id f4mr18058079plf.197.1510060999959; Tue, 07 Nov 2017 05:23:19 -0800 (PST) Received: from localhost.localdomain ([123.213.206.163]) by smtp.gmail.com with ESMTPSA id j6sm3291259pgn.68.2017.11.07.05.23.17 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 07 Nov 2017 05:23:18 -0800 (PST) From: Minwoo Im To: Jens Axboe Cc: linux-block@vger.kernel.org, Minwoo Im , Minwoo Im Subject: [PATCH] null_blk: fix default values in documentation Date: Tue, 7 Nov 2017 22:23:01 +0900 Message-Id: <1510060981-24352-1-git-send-email-minwoo.im.dev@gmail.com> X-Mailer: git-send-email 2.7.4 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP null_blk.c has initial value of (1) nr_devices as 1. (2) completion_nsec as 10,000ns, not 10.000ns. documentation should be updated for fixes above. Signed-off-by: Minwoo Im --- Documentation/block/null_blk.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/block/null_blk.txt b/Documentation/block/null_blk.txt index b7161c8..fcf7f84 100644 --- a/Documentation/block/null_blk.txt +++ b/Documentation/block/null_blk.txt @@ -38,7 +38,7 @@ gb=[Size in GB]: Default: 250GB bs=[Block size (in bytes)]: Default: 512 bytes The block size reported to the system. -nr_devices=[Number of devices]: Default: 2 +nr_devices=[Number of devices]: Default: 1 Number of block devices instantiated. They are instantiated as /dev/nullb0, etc. @@ -52,7 +52,7 @@ irqmode=[0-2]: Default: 1-Soft-irq 2: Timer: Waits a specific period (completion_nsec) for each IO before completion. -completion_nsec=[ns]: Default: 10.000ns +completion_nsec=[ns]: Default: 10,000ns Combined with irqmode=2 (timer). The time each completion event must wait. submit_queues=[1..nr_cpus]: