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From: Christoph Hellwig <hch@infradead.org>
To: Daeho Jeong <daeho43@gmail.com>
Cc: Christoph Hellwig <hch@infradead.org>,
	linux-kernel@vger.kernel.org,
	linux-f2fs-devel@lists.sourceforge.net, kernel-team@android.com,
	Daeho Jeong <daehojeong@google.com>, Chao Yu <chao@kernel.org>
Subject: Re: [PATCH v5] f2fs: introduce device aliasing file
Date: Mon, 14 Oct 2024 22:02:18 -0700	[thread overview]
Message-ID: <Zw33WgpF09IHpKLB@infradead.org> (raw)
In-Reply-To: <CACOAw_yvb=jacbXVr76bSbCEcud=D1vw5rJVDO+TjZbMLYzdZQ@mail.gmail.com>

On Mon, Oct 14, 2024 at 09:28:04AM -0700, Daeho Jeong wrote:
> On Sun, Oct 13, 2024 at 10:56 PM Christoph Hellwig <hch@infradead.org> wrote:
> >
> > On Thu, Oct 10, 2024 at 12:26:26PM -0700, Daeho Jeong wrote:
> > > From: Daeho Jeong <daehojeong@google.com>
> > >
> > > F2FS should understand how the device aliasing file works and support
> > > deleting the file after use. A device aliasing file can be created by
> > > mkfs.f2fs tool and it can map the whole device with an extrent, not
> >
> > s/extrent/extent/g
> >
> > > using node blocks. The file space should be pinned and normally used for
> > > read-only usages.
> >
> > Is there an explanation somewhere what a 'device aliasing file' is?
> 
> Plz, refer to this patch and the description there.
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs-tools.git/commit/?h=dev-test&id=8cc4e257ec20bee207bb034d5ac406e1ab31eaea

This is about the extent I know, and I'm still utterly confused.


      parent reply	other threads:[~2024-10-15  5:02 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-10 19:26 [PATCH v5] f2fs: introduce device aliasing file Daeho Jeong
2024-10-12  2:40 ` Chao Yu
2024-10-14  5:56 ` Christoph Hellwig
2024-10-14 16:28   ` Daeho Jeong
2024-10-14 16:42     ` [f2fs-dev] " Jaegeuk Kim
2024-10-15  5:05       ` Christoph Hellwig
2024-10-15 16:56         ` Jaegeuk Kim
2024-10-15  5:02     ` Christoph Hellwig [this message]

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