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

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Date:   Thu, 7 Jul 2022 16:45:47 +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, Jul 06, 2022 at 10:27:44PM +0800, Chao Yu wrote:
> On 2022/6/23 12:24, Chao Liu wrote:
> > 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?
>
> Fine to me, as f2fs_disable_compressed_file() uses the same check
> condition. ;)

Thank you, let me send a v2 patch later. :-D