From: "Jérôme Poulin" <jeromepoulin@gmail.com>
To: Hugo Mills <hugo@carfax.org.uk>
Cc: "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: [patch 0/2] Control filesystem balances (userspace)
Date: Fri, 29 Oct 2010 20:30:50 -0400 [thread overview]
Message-ID: <7786692913512733804@unknownmsgid> (raw)
In-Reply-To: <20101030001022.247934404@carfax.org.uk>
You could always use btrfs filesystem balance progress which would not
introduce a new root level option and still be short to type. That
would mean balance should have a "start" option or default to start
when no sub options are used.
Sent from my mobile device.
On 2010-10-29, at 20:11, Hugo Mills <hugo@carfax.org.uk> wrote:
> These two patches complement the previous two kernel-side
> patches. The first implements a way of displaying the current progress
> of any running balance process. The second patch allows a running
> balance to be cancelled.
>
> I'm a bit uncertain about the best name for these commands. Several
> options:
>
> 1)
> # btrfs filesystem progress <path>
> # btrfs filesystem cancel <path>
>
> Way too vague (cancel *what*?)
>
>
> 2)
> # btrfs filesystem balance-progress <path>
> # btrfs filesystem balance-cancel <path>
>
> Clashes horribly with "filesystem balance" -- no abbreviations
> possible.
>
>
> 3)
> btrfs filesystem balance -p <path>
> btrfs filesystem balance -c <path>
>
> Changes behaviour significantly on a switch, in contrast to the
> behaviour of the rest of the btrfs tool.
>
>
> 4)
> btrfs balance progress <path>
> btrfs balance cancel <path>
>
> My current favourite, although we introduce a new namespace
> ("balance") for commands. We could add "btrfs balance start <path>" as
> a synonym for "btrfs filesystem balance <path>", for some degree of
> consistency.
>
> At some point, I'll add a "monitor" function, which will poll at 1s
> intervals for progress updates, and print out progress when it changes.
>
> Hugo.
>
> --
> === Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk ===
> PGP key: 515C238D from wwwkeys.eu.pgp.net or http://www.carfax.org.uk
> --- "No! My collection of rare, incurable diseases! Violated!" ---
>
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next prev parent reply other threads:[~2010-10-30 0:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-30 0:10 [patch 0/2] Control filesystem balances (userspace) Hugo Mills
2010-10-30 0:10 ` [patch 1/2] Balance progress monitoring Hugo Mills
2010-10-30 0:10 ` [patch 2/2] User-space tool for cancelling balance operations Hugo Mills
2010-10-30 0:30 ` Jérôme Poulin [this message]
2010-10-30 17:49 ` [patch 0/2] Control filesystem balances (userspace) Goffredo Baroncelli
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