Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S934419AbeAJPmy (ORCPT <rfc822;ralf@linux-mips.org> + 1 other);
        Wed, 10 Jan 2018 10:42:54 -0500
Received: from mail-qt0-f176.google.com ([209.85.216.176]:33332 "EHLO
        mail-qt0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S933299AbeAJPmw (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Wed, 10 Jan 2018 10:42:52 -0500
X-Google-Smtp-Source: ACJfBosGbKrrV+Yaze9HCLoIuOi9La1+2kPKRHwQ8Mva54QWFiOHzVzJGMczbU/GPB6JA9y7MtnjPw==
Date: Wed, 10 Jan 2018 10:42:50 -0500
From: Josef Bacik <josef@toxicpanda.com>
To: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Alexei Starovoitov <ast@fb.com>, Josef Bacik <jbacik@fb.com>,
        rostedt@goodmis.org, mingo@redhat.com, davem@davemloft.net,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        ast@kernel.org, kernel-team@fb.com, daniel@iogearbox.net,
        linux-btrfs@vger.kernel.org, darrick.wong@oracle.com,
        Josef Bacik <josef@toxicpanda.com>,
        Akinobu Mita <akinobu.mita@gmail.com>
Subject: Re: [PATCH bpf-next v3 5/5] error-injection: Support fault injection
 framework
Message-ID: <20180110154249.kqkbxzq77wgjwu7p@destiny>
References: <151557939382.6629.18074658376309258555.stgit@devbox>
 <151557954526.6629.17668573917001919432.stgit@devbox>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <151557954526.6629.17668573917001919432.stgit@devbox>
User-Agent: NeoMutt/20170714 (1.8.3)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Return-Path: <linux-kernel-owner@vger.kernel.org>

On Wed, Jan 10, 2018 at 07:19:05PM +0900, Masami Hiramatsu wrote:
> Support in-kernel fault-injection framework via debugfs.
> This allows you to inject a conditional error to specified
> function using debugfs interfaces.
> 
> Here is the result of test script described in
> Documentation/fault-injection/fault-injection.txt
> 
>   ===========
>   # ./test_fail_function.sh
>   1+0 records in
>   1+0 records out
>   1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0227404 s, 46.1 MB/s
>   btrfs-progs v4.4
>   See http://btrfs.wiki.kernel.org for more information.
> 
>   Label:              (null)
>   UUID:               bfa96010-12e9-4360-aed0-42eec7af5798
>   Node size:          16384
>   Sector size:        4096
>   Filesystem size:    1001.00MiB
>   Block group profiles:
>     Data:             single            8.00MiB
>     Metadata:         DUP              58.00MiB
>     System:           DUP              12.00MiB
>   SSD detected:       no
>   Incompat features:  extref, skinny-metadata
>   Number of devices:  1
>   Devices:
>      ID        SIZE  PATH
>       1  1001.00MiB  /dev/loop2
> 
>   mount: mount /dev/loop2 on /opt/tmpmnt failed: Cannot allocate memory
>   SUCCESS!
>   ===========
> 
> 
> Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>

Reviewed-by: Josef Bacik <jbacik@fb.com>

Thanks,

Josef