linux-ext4 - Re: [PATCH] debugfs: Fix infinite loop when dump log

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Message-ID: <171332777784.2749069.11433721296273612273.b4-ty@mit.edu>
Date: Wed, 17 Apr 2024 00:33:41 -0400
From: "Theodore Ts'o" <tytso@....edu>
To: Andreas Dilger <adilger.kernel@...ger.ca>, linux-ext4@...r.kernel.org,
        Wenchao Hao <haowenchao2@...wei.com>
Cc: "Theodore Ts'o" <tytso@....edu>, louhongxiang@...wei.com
Subject: Re: [PATCH] debugfs: Fix infinite loop when dump log


On Fri, 17 Nov 2023 18:23:15 +0800, Wenchao Hao wrote:
> There are 2 scenarios which would trigger infinite loop:
> 
> 1. None log is recorded, then dumplog with "-n", for example:
>    debugfs -R "logdump -O -n 10" /dev/xxx
>    while /dev/xxx has no valid log recorded.
> 2. The log area is full and cycle write is triggered, then dumplog with
>    debugfs -R "logdump -aOS" /dev/xxx
> 
> [...]

Applied, thanks!

[1/1] debugfs: Fix infinite loop when dump log
      commit: 272173a300822b5cfe19bef597609523baab0c66

(I renamed reverse_flag to wrapped_flag to make things clearer.)

Best regards,
-- 
Theodore Ts'o <tytso@....edu>