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From: Chao Yu <chao@kernel.org>
To: Gao Xiang <hsiangkao@linux.alibaba.com>, linux-erofs@lists.ozlabs.org
Cc: chao@kernel.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] erofs: allow 16-byte volume name again
Date: Sun, 16 Mar 2025 09:27:08 +0800	[thread overview]
Message-ID: <e9b19fa0-4d07-445a-aed6-e041300425ef@kernel.org> (raw)
In-Reply-To: <20250225033934.2542635-1-hsiangkao@linux.alibaba.com>

On 2025/2/25 11:39, Gao Xiang wrote:
> Actually, volume name doesn't need to include the NIL terminator if
> the string length matches the on-disk field size as mentioned in [1].
> 
> I tend to relax it together with the upcoming 48-bit block addressing
> (or stable kernels which backport this fix) so that we could have a
> chance to record a 16-byte volume name like ext4.
> 
> Since in-memory `volume_name` has no user, just get rid of the unneeded
> check for now.  `sbi->uuid` is useless and avoid it too.
> 
> Fixes: a64d9493f587 ("staging: erofs: refuse to mount images with malformed volume name")
> [1] https://lore.kernel.org/r/96efe46b-dcce-4490-bba1-a0b00932d1cc@linux.alibaba.com
> Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>

Reviewed-by: Chao Yu <chao@kernel.org>

Thanks,

      reply	other threads:[~2025-03-16  1:27 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-25  3:39 [PATCH] erofs: allow 16-byte volume name again Gao Xiang
2025-03-16  1:27 ` Chao Yu [this message]

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