linux-kernel - Re: [PATCH 1/3] mpage: terminate read-ahead on read error

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Message-ID: <aKM5sUFuOevaG4_i@casper.infradead.org>
Date: Mon, 18 Aug 2025 15:33:21 +0100
From: Matthew Wilcox <willy@...radead.org>
To: Chi Zhiling <chizhiling@....com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Christian Brauner <brauner@...nel.org>, Jan Kara <jack@...e.cz>,
	Namjae Jeon <linkinjeon@...nel.org>,
	Sungjong Seo <sj1557.seo@...sung.com>,
	Yuezhang Mo <yuezhang.mo@...y.com>,
	Chi Zhiling <chizhiling@...inos.cn>
Subject: Re: [PATCH 1/3] mpage: terminate read-ahead on read error

On Mon, Aug 18, 2025 at 06:04:23PM +0800, Chi Zhiling wrote:
> > Also, boy this is old code.  Basically akpm code from pre-git times.
> > It was quite innovative back then, but everybody who understood it has
> > since moved on,  got senile or probably died.  Oh well.
> 
> Actually, I think this patch is safe, but I'm not sure if we should fix this
> issue. After all, this code has existed for a long time, and it's quite rare
> to unplug the device during a copy operation :)

Converting exfat to use iomap would be a valuable piece of work ...