linux-kernel - Re: [PATCH] initrd: support erofs as initrd

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Message-ID: <20250321-adrett-umgeladen-e1f5f0171d8a@brauner>
Date: Fri, 21 Mar 2025 09:48:09 +0100
From: Christian Brauner <brauner@...nel.org>
To: julian.stecklina@...erus-technology.de
Cc: Christoph Hellwig <hch@....de>, Al Viro <viro@...iv.linux.org.uk>, 
	Linus Torvalds <torvalds@...ux-foundation.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	"Rafael J. Wysocki" <rafael@...nel.org>, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] initrd: support erofs as initrd

On Thu, Mar 20, 2025 at 08:28:23PM +0100, Julian Stecklina via B4 Relay wrote:
> From: Julian Stecklina <julian.stecklina@...erus-technology.de>
> 
> Add erofs detection to the initrd mount code. This allows systems to
> boot from an erofs-based initrd in the same way as they can boot from
> a squashfs initrd.
> 
> Just as squashfs initrds, erofs images as initrds are a good option
> for systems that are memory-constrained.

I think this can be valuable and I know we've had discussion about this
before but it should please come with a detailed rationale for using
erofs and what project(s) this would be used by. Then I don't think
there's a reason per se not to do it.