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Date:   Fri, 19 Nov 2021 07:48:29 +0200
From:   Amir Goldstein <>
To:     Gabriel Krisman Bertazi <>
Cc:     Petr Vorel <>, Jan Kara <>,
        Matthew Bobrowski <>,
        Ext4 <>,,
        Khazhismel Kumykov <>,
        LTP List <>
Subject: Re: [PATCH v4 0/9] Test the new fanotify FAN_FS_ERROR event

On Fri, Nov 19, 2021 at 1:57 AM Gabriel Krisman Bertazi
<> wrote:
> Hi,
> FAN_FS_ERROR was merged into Linus tree, and the PIDFD testcases reached
> LTP.  Therefore, I'm sending a new version of the FAN_FS_ERROR LTP
> tests.  This is the v4 of this patchset, and it applies the feedback of
> the previous version.
> Thanks,
> ---
> Original cover letter:
> FAN_FS_ERROR is a new (still unmerged) fanotify event to monitor
> fileystem errors.  This patchset introduces a new LTP test for this
> feature.
> Testing file system errors is slightly tricky, in particular because
> they are mostly file system dependent.  Since there are only patches for
> ext4, I choose to make the test around it, since there wouldn't be much
> to do with other file systems.  The second challenge is how we cause the
> file system errors, since there is no error injection for ext4 in Linux.
> In this series, this is done by corrupting specific data in the
> test device with the help of debugfs.
> The FAN_FS_ERROR feature is flying around linux-ext4 and fsdevel, and
> the latest version is available on the branch below:
> -b fanotify-notifications-v9
> A proper manpage description is also available on the respective mailing
> list, or in the branch below:
> -b fan-fs-error
> Please, let me know your thoughts.


Can you please push these v4 patches to your gitlab tree?


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