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Date: Wed, 10 Aug 2011 13:01:10 +0200 (CEST)
From: Lukas Czerner <lczerner@...hat.com>
To: Florian Weimer <fweimer@....de>
cc: Lukas Czerner <lczerner@...hat.com>,
Ric Wheeler <ricwheeler@...il.com>,
Andreas Dilger <adilger@...mcloud.com>,
"H. Peter Anvin" <hpa@...or.com>, linux-ext4@...r.kernel.org
Subject: Re: Feature request: e2fsck -z
On Wed, 10 Aug 2011, Florian Weimer wrote:
> * Lukas Czerner:
>
> > You're right. It is a part of e2fsck and you can enable it with -E
> > discard.
>
> If the block device does not support TRIM, does this result in zeros
> being written instead?
>
Of course not, discard works only on devices which does support it. If
the device does not support discard it will to nothing.
Thanks!
-Lukas
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