From: Carlos Maiolino <cmaiolino@redhat.com>
To: xfs@oss.sgi.com
Subject: Re: [PATCH 3/3] xfs: add an option to enable reflinks at mount time
Date: Mon, 6 Jun 2016 13:29:50 +0200 [thread overview]
Message-ID: <20160606112950.GC23695@redhat.com> (raw)
In-Reply-To: <20160606112342.GB23695@redhat.com>
Ugh, I just realized dave and derrick had already replied, pointing issues I
didn't figure out, but still I'm curious for the question I asked :)
> Hi hch,
>
> The patchset looks good, although I'm not quite familiar with the reflink code
> so, I apologize if it is a stupid question
>
> After enabling the reflink feature during mount time, I believe this will not
> have any problems in future mounts of this filesystem without reflink support?
>
> > index 84348af..dfa5077 100644
> > --- a/fs/xfs/xfs_super.c
> > +++ b/fs/xfs/xfs_super.c
> > @@ -82,7 +82,7 @@ enum {
> > Opt_quota, Opt_noquota, Opt_usrquota, Opt_grpquota, Opt_prjquota,
> > Opt_uquota, Opt_gquota, Opt_pquota,
> > Opt_uqnoenforce, Opt_gqnoenforce, Opt_pqnoenforce, Opt_qnoenforce,
> > - Opt_discard, Opt_nodiscard, Opt_dax, Opt_err,
> > + Opt_discard, Opt_nodiscard, Opt_reflink, Opt_dax, Opt_err,
> > };
> >
> > static const match_table_t tokens = {
> > @@ -132,6 +132,7 @@ static const match_table_t tokens = {
> > {Opt_qnoenforce, "qnoenforce"}, /* same as uqnoenforce */
> > {Opt_discard, "discard"}, /* Discard unused blocks */
> > {Opt_nodiscard, "nodiscard"}, /* Do not discard unused blocks */
> > + {Opt_reflink, "reflink"}, /* Do not discard unused blocks */
> ^^^^
>
> Also, I believe this comment is wrong!?
>
> Cheers
>
> --
> Carlos
>
> _______________________________________________
> xfs mailing list
> xfs@oss.sgi.com
> http://oss.sgi.com/mailman/listinfo/xfs
--
Carlos
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next prev parent reply other threads:[~2016-06-06 11:29 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-02 14:19 [RFC] allow enabling reflinks at runtime Christoph Hellwig
2016-06-02 14:19 ` [PATCH 1/3] xfs: add xfs_mp_hasreflink Christoph Hellwig
2016-06-02 14:19 ` [PATCH 2/3] xfs: refactor xfs_refcountbt_alloc_block Christoph Hellwig
2016-06-02 14:19 ` [PATCH 3/3] xfs: add an option to enable reflinks at mount time Christoph Hellwig
2016-06-06 11:23 ` Carlos Maiolino
2016-06-06 11:29 ` Carlos Maiolino [this message]
2016-06-06 16:52 ` Darrick J. Wong
2016-06-08 7:04 ` Christoph Hellwig
2016-06-08 8:07 ` Carlos Maiolino
2016-06-08 8:10 ` Carlos Maiolino
2016-06-09 22:57 ` Dave Chinner
2016-06-02 22:54 ` [RFC] allow enabling reflinks at runtime Dave Chinner
2016-06-03 1:58 ` Darrick J. Wong
2016-06-06 18:52 ` Darrick J. Wong
2016-06-08 7:10 ` Christoph Hellwig
2016-06-08 7:11 ` Christoph Hellwig
2016-06-09 17:45 ` Darrick J. Wong
2016-06-09 23:33 ` Dave Chinner
2016-07-13 5:36 ` Darrick J. Wong
2016-10-26 20:49 ` Darrick J. Wong
2016-11-03 16:10 ` Christoph Hellwig
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