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List:       dm-devel
Subject:    Re: [dm-devel] DM_snapshot_cow filesystem (dmsetup create snapshot)
From:       Alasdair G Kergon <agk () redhat ! com>
Date:       2011-10-29 20:49:47
Message-ID: 20111029204947.GU23336 () agk-dp ! fab ! redhat ! com
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markmc did some code that shows how to read the format a few years ago here:
http://people.gnome.org/~markmc/code/merge-dm-snapshot.c

Otherwise look at dm-snap-persistent.c in the kernel tree.

Alasdair

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