From: Joe Thornber <thornber@redhat.com>
To: Mikulas Patocka <mpatocka@redhat.com>
Cc: dm-devel@redhat.com
Subject: Re: question: deleting blocks
Date: Tue, 16 Aug 2011 10:28:03 +0100 [thread overview]
Message-ID: <20110816092802.GC4284@ubuntu> (raw)
In-Reply-To: <Pine.LNX.4.64.1108151426190.18170@hs20-bc2-1.build.redhat.com>
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
prev parent reply other threads:[~2011-08-16 9:28 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-15 18:27 question: deleting blocks Mikulas Patocka
2011-08-16 9:28 ` Joe Thornber [this message]
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