linux-kernel - Re: [PATCH v3 2/2] erofs: add 'offset' mount option for file-backed & bdev-based mounts

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Message-ID: <gk7jzl7pktrdpznqp2hiuflx56xyttw4v4z3epia2ziw4oz547@cft7fyeoirfr>
Date: Tue, 8 Apr 2025 10:46:22 +0200
From: Karel Zak <kzak@...hat.com>
To: Gao Xiang <hsiangkao@...ux.alibaba.com>
Cc: Sheng Yong <shengyong2021@...il.com>, xiang@...nel.org, 
	chao@...nel.org, zbestahu@...il.com, jefflexu@...ux.alibaba.com, 
	dhavale@...gle.com, linux-erofs@...ts.ozlabs.org, linux-kernel@...r.kernel.org, 
	Sheng Yong <shengyong1@...omi.com>, Wang Shuai <wangshuai12@...omi.com>
Subject: Re: [PATCH v3 2/2] erofs: add 'offset' mount option for file-backed
 & bdev-based mounts

On Mon, Apr 07, 2025 at 11:49:31PM +0800, Gao Xiang wrote:
> On 2025/4/7 19:40, Karel Zak wrote:
> > We can improve it in libmount and add any if-erofs hack there, but my
> > suggestion is to select a better name for the mount option. For
> > example, erofsoff=, erostart=, fsoffset=, start=, or similar.
> 
> Thanks for your suggestion!
> 
> it's somewhat weird to use erofsprefix here, I think fsoffset
> may be fine.

Yes, fsoffset sounds good. I anticipate more filesystems will support
file-backed mounts in the future, making this option reusable.

    Karel

-- 
 Karel Zak  <kzak@...hat.com>
 http://karelzak.blogspot.com