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Date:   Tue, 08 Dec 2020 12:59:34 +0000
From:   David Howells <>
To:     Gabriel Krisman Bertazi <>
Subject: Re: [PATCH 0/8] Superblock Notifications

Gabriel Krisman Bertazi <> wrote:

> After the two previous RFCs this is an attempt to get the ball spinning
> again.
> The problem I'm trying to solve is providing an interface to monitor
> filesystem errors.  This patchset includes an example implementation of
> ext4 error notification.  This goes obviously on top of the watch_queue
> mechanism.

Thanks for picking this up and advancing it.

> Regarding the buffer overrun issue that would require fsinfo or another
> method to expose counters, I think they can be added at a later date
> with no change to what this patch series attempts to do, therefore I'm
> proposing we don't wait for fsinfo before getting this merged.

That's fine, but anyone wanting to use this will need to be aware that
overruns are a problem.


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