From: Gionatan Danti <g.danti@assyoma.it>
To: linux-btrfs@vger.kernel.org
Cc: Duncan <1i5t5.duncan@cox.net>, g.danti@assyoma.it
Subject: Re: Question about fallocate
Date: Wed, 02 Jul 2014 12:36:54 +0200 [thread overview]
Message-ID: <53B3E0C6.3030803@assyoma.it> (raw)
In-Reply-To: <20140702014130.47a5ba75@ws>
Hi,
> But how did you disable COW? The nodatacow mount option? Setting the
> NOCOW attribute on the file or parent-dir (chattr +C)? Something else?
>
> Because there are caveats to both the mount option and the file
> attribute methods.
>
I used the nodatacow mount point. When doing the test, I had no other
subvolume or snapshot.
> Other than that, I don't know, but it'd be interesting to see if the
> behavior replicates on a current kernel.
>
Yes, I'll try to replicate it on a 3.14.x based Fedora 20.
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
next parent reply other threads:[~2014-07-02 10:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20140702014130.47a5ba75@ws>
2014-07-02 10:36 ` Gionatan Danti [this message]
2014-07-02 10:52 ` Question about fallocate Maurizio Lombardi
2014-07-02 14:04 ` Gionatan Danti
2014-07-01 10:16 Gionatan Danti
2014-07-02 8:04 ` Duncan
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