From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joe Thornber <thornber@redhat.com>
Subject: Re: question: deleting blocks
Date: Tue, 16 Aug 2011 10:28:03 +0100
Message-ID: <20110816092802.GC4284@ubuntu>
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To: Mikulas Patocka <mpatocka@redhat.com>
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On Mon, Aug 15, 2011 at 02:27:56PM -0400, Mikulas Patocka wrote:
> BTW.
> 
> When you delete a block in the space map, how do you make sure that the 
> block is not allocated for another purpose before commit?

For the metadata-space-map I allocate from the space map as it was in
the last transaction (smm->old_ll).  The data space map needs to do
the same (for some reason I thought we could get away without it for a
while) - it's on the todo list in multisnap.org and was mentioned
yesterday.

- Joe