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Date:   Thu, 14 Oct 2021 17:59:09 -0400
From:   "Theodore Ts'o" <>
To:     Gabriel Krisman Bertazi <>
Subject: Re: [PATCH v7 26/28] ext4: Send notifications on error

On Thu, Oct 14, 2021 at 06:36:44PM -0300, Gabriel Krisman Bertazi wrote:
> Send a FS_ERROR message via fsnotify to a userspace monitoring tool
> whenever a ext4 error condition is triggered.  This follows the existing
> error conditions in ext4, so it is hooked to the ext4_error* functions.
> It also follows the current dmesg reporting in the format.  The
> filesystem message is composed mostly by the string that would be
> otherwise printed in dmesg.
> A new ext4 specific record format is exposed in the uapi, such that a
> monitoring tool knows what to expect when listening errors of an ext4
> filesystem.
> Signed-off-by: Gabriel Krisman Bertazi <>
> Reviewed-by: Amir Goldstein <>

Reviewed-by: Theodore Ts'o <>

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