linux-kernel - Re: [f2fs-dev] [PATCH v5] f2fs: introduce device aliasing file

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <Zw1J30Fn48uYCwK7@google.com>
Date: Mon, 14 Oct 2024 16:42:07 +0000
From: Jaegeuk Kim <jaegeuk@...nel.org>
To: Daeho Jeong <daeho43@...il.com>
Cc: Christoph Hellwig <hch@...radead.org>,
	Daeho Jeong <daehojeong@...gle.com>, kernel-team@...roid.com,
	linux-kernel@...r.kernel.org,
	linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH v5] f2fs: introduce device aliasing file

On 10/14, Daeho Jeong wrote:
> On Sun, Oct 13, 2024 at 10:56 PM Christoph Hellwig <hch@...radead.org> wrote:
> >
> > On Thu, Oct 10, 2024 at 12:26:26PM -0700, Daeho Jeong wrote:
> > > From: Daeho Jeong <daehojeong@...gle.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

Applied with the fix.

> >
> > > 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

Also, I added this in the description.

---
    For example,
    "mkfs.f2fs -c /dev/block/test@...t_alias /dev/block/main" gives
    a file $root/test_alias which carves out /dev/block/test partition.
---


> 
> Thank you,
> 
> 
> >
> 
> 
> _______________________________________________
> Linux-f2fs-devel mailing list
> Linux-f2fs-devel@...ts.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel