linux-fsdevel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Luis Chamberlain <mcgrof@kernel.org>
To: Theodore Ts'o <tytso@mit.edu>
Cc: "Darrick J. Wong" <djwong@kernel.org>,
	Zorro Lang <zlang@redhat.com>,
	fstests@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	patches@lists.linux.dev
Subject: Re: [PATCH] fstests: add helper to canonicalize devices used to enable persistent disks
Date: Wed, 26 Jul 2023 09:28:23 -0700	[thread overview]
Message-ID: <ZMFJp5OZN3vnT/yI@bombadil.infradead.org> (raw)
In-Reply-To: <20230726044132.GA30264@mit.edu>

On Wed, Jul 26, 2023 at 12:41:32AM -0400, Theodore Ts'o wrote:
> On Tue, Jul 25, 2023 at 08:54:39AM -0700, Darrick J. Wong wrote:
> > On Tue, Jul 25, 2023 at 04:13:07PM +0800, Zorro Lang wrote:
> > > On Wed, Jul 19, 2023 at 11:17:27PM -0700, Luis Chamberlain wrote:
> > > > The filesystem configuration file does not allow you to use symlinks to
> > > > devices given the existing sanity checks verify that the target end
> > > > device matches the source.
> 
> I'm a little confused.  Where are these "sanity checks" enforced?
> I've been using
> 
> SCRATCH_DEV=/dev/mapper/xt-vdc
> 
> where /dev/mapper/xt-vdc is a symlink to /dev/dm-4 (or some such)
> without any problems.  So I don't quite understand why we need to
> canonicalize devices?

That might work, but try using /dev/disk/by-id/ stuff, that'll bust. So
to keep existing expecations by fstests, it's needed.

  Luis

  reply	other threads:[~2023-07-26 16:28 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-20  6:17 [PATCH] fstests: add helper to canonicalize devices used to enable persistent disks Luis Chamberlain
2023-07-24 10:58 ` Andrey Albershteyn
2023-07-25  8:13 ` Zorro Lang
2023-07-25 15:54   ` Darrick J. Wong
2023-07-25 17:50     ` Zorro Lang
2023-07-26 17:34       ` Luis Chamberlain
2023-07-26  4:41     ` Theodore Ts'o
2023-07-26 16:28       ` Luis Chamberlain [this message]
2023-07-27  1:13         ` Theodore Ts'o
2023-07-27  1:26           ` Darrick J. Wong

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=ZMFJp5OZN3vnT/yI@bombadil.infradead.org \
    --to=mcgrof@kernel.org \
    --cc=djwong@kernel.org \
    --cc=fstests@vger.kernel.org \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=patches@lists.linux.dev \
    --cc=tytso@mit.edu \
    --cc=zlang@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).