linux-kernel - Re: [PATCH RESEND] erofs: micro-optimize superblock checksum

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Message-ID: <ff673fda-a226-4b7b-b8fe-aec1ec2fa6be@kernel.org>
Date: Thu, 16 Jan 2025 16:28:14 +0800
From: Chao Yu <chao@...nel.org>
To: Gao Xiang <hsiangkao@...ux.alibaba.com>, linux-erofs@...ts.ozlabs.org
Cc: chao@...nel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RESEND] erofs: micro-optimize superblock checksum

On 12/12/24 10:39, Gao Xiang wrote:
> Just verify the remaining unknown on-disk data instead of allocating a
> temporary buffer for the whole superblock and zeroing out the checksum
> field since .magic(EROFS_SUPER_MAGIC_V1) is verified and .checksum(0)
> is fixed.
> 
> Signed-off-by: Gao Xiang <hsiangkao@...ux.alibaba.com>

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

Thanks,