linux-kernel - Re: [PATCH] f2fs: allow compression of files without blocks

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Message-ID: <YrPq5N61W9vFGTub@liuchao-VM>
Date:   Thu, 23 Jun 2022 12:24:04 +0800
From:   Chao Liu <chaoliu719@...il.com>
To:     Chao Yu <chao@...nel.org>
Cc:     Jaegeuk Kim <jaegeuk@...nel.org>,
        linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Yue Hu <huyue2@...lpad.com>,
        Wayne Zhang <zhangwen@...lpad.com>,
        Chao Liu <liuchao@...lpad.com>
Subject: Re: [PATCH] f2fs: allow compression of files without blocks

On Wed, Jun 22, 2022 at 08:50:33PM +0800, Chao Yu wrote:
> On 2022/6/21 14:42, Chao Liu wrote:
> > From: Chao Liu <liuchao@...lpad.com>
> >
> > Files created by truncate have a size but no blocks, so
>
> I didn't get it, how can we create file by truncation...

I'm sorry I didn't make it clear. We can create a file
by passing a FILE parameter that does not exist
to the user command truncate(1) [1].

How about using truncate(1) instead of truncate
in the description of the change?

Thanks,

[1] truncate(1): https://man7.org/linux/man-pages/man1/truncate.1.html