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Date: Mon, 30 Jan 2012 09:43:37 +0000
From: Joe Thornber <thornber@redhat.com>
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Subject: Re: [linux-lvm] =?utf-8?b?562U5aSNOiBOZXcgTFZNMiByZWxlYXNlIDIuMDIu?=
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On Mon, Jan 30, 2012 at 06:29:54AM +0000, Kirby Zhou wrote:
> Can the thinly-provisioned logical volume automatically return its owned space to the pool?
> I mean, if I create a huge file on the logical volume, then delete it, will the logical volume actual space size be reduced automatically?
> If not, how can it be shrinked?


Discard support is currently in testing.  Should go upstream soon.

- Joe