linux-kernel - Re: [PATCH] staging: exfat: add exfat filesystem code to staging

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Date:   Thu, 29 Aug 2019 22:56:31 +0200
From:   Pali Rohár <pali.rohar@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     devel@...verdev.osuosl.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Valdis Klētnieks <valdis.kletnieks@...edu>,
        Sasha Levin <alexander.levin@...rosoft.com>,
        Christoph Hellwig <hch@...radead.org>
Subject: Re: [PATCH] staging: exfat: add exfat filesystem code to staging

On Wednesday 28 August 2019 18:08:17 Greg Kroah-Hartman wrote:
> From: Valdis Klētnieks <valdis.kletnieks@...edu>
> 
> The exfat code needs a lot of work to get it into "real" shape for
> the fs/ part of the kernel, so put it into drivers/staging/ for now so
> that it can be worked on by everyone in the community.
> 
> The full specification of the filesystem can be found at:
>   https://docs.microsoft.com/en-us/windows/win32/fileio/exfat-specification
> 
> Signed-off-by: Valdis Kletnieks <valdis.kletnieks@...edu>
> Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

Hi Greg!

I'm not really sure if this exfat implementation is fully suitable for
mainline linux kernel.

In my opinion, proper way should be to implement exFAT support into
existing fs/fat/ code instead of replacing whole vfat/msdosfs by this
new (now staging) fat implementation.

In linux kernel we really do not need two different implementation of
VFAT32.

So I'm a bit sceptical about usefulness of this exfat code/driver, if it
makes any sense to have it even in staging.

-- 
Pali Rohár
pali.rohar@...il.com

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