All of lore.kernel.org
 help / color / mirror / Atom feed
From: Gionatan Danti <g.danti@assyoma.it>
To: Dave Chinner <david@fromorbit.com>
Cc: linux-xfs@vger.kernel.org, g.danti@assyoma.it
Subject: Re: Reflink (cow) copy of busy files
Date: Sun, 25 Feb 2018 12:40:47 +0100	[thread overview]
Message-ID: <25ebcdb42650430d83d283435053efed@assyoma.it> (raw)
In-Reply-To: <20180225024727.GD30854@dastard>

Il 25-02-2018 03:47 Dave Chinner ha scritto:
> 
> Yes, you have to freeze the filesystem to get a crash-consistent
> snapshot of the filesystem.
> 
> 
> You will end up with garbage.

Ok. Bonus question: am I right thinking this is due to the CoW copy not 
being atomic (ie: the various extents being in different state until the 
copy is finished)?

Thanks.

-- 
Danti Gionatan
Supporto Tecnico
Assyoma S.r.l. - www.assyoma.it
email: g.danti@assyoma.it - info@assyoma.it
GPG public key ID: FF5F32A8

  reply	other threads:[~2018-02-25 11:40 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-24 18:20 Reflink (cow) copy of busy files Gionatan Danti
2018-02-24 22:07 ` Dave Chinner
2018-02-24 22:57   ` Gionatan Danti
2018-02-25  2:47     ` Dave Chinner
2018-02-25 11:40       ` Gionatan Danti [this message]
2018-02-25 21:13         ` Dave Chinner
2018-02-25 21:58           ` Gionatan Danti
2018-02-26  0:25             ` Dave Chinner
2018-02-26  7:19               ` Gionatan Danti
2018-02-26  7:58                 ` Amir Goldstein
2018-02-26  8:26                   ` Gionatan Danti
2018-02-26 17:26                     ` Darrick J. Wong
2018-02-26 21:23                       ` Gionatan Danti
2018-02-26 21:31                         ` Darrick J. Wong
2018-02-26 21:39                           ` Gionatan Danti
2018-02-27  0:33                       ` Dave Chinner
2018-02-27  0:58                         ` Darrick J. Wong
2018-02-27  8:06                         ` Gionatan Danti
2018-02-27 22:04                           ` Dave Chinner
2018-02-28  7:08                             ` Gionatan Danti
2018-02-28 17:07                               ` Darrick J. Wong
2018-02-28 18:27                                 ` Gionatan Danti
2018-02-26 20:29                     ` Amir Goldstein
2018-02-26 21:28                       ` Gionatan Danti

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=25ebcdb42650430d83d283435053efed@assyoma.it \
    --to=g.danti@assyoma.it \
    --cc=david@fromorbit.com \
    --cc=linux-xfs@vger.kernel.org \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.