[dm-devel] Announce: unlimited number of shared snapshots

[Mikulas Patocka <mpatocka redhat com>]

Hi

I made first release of my snapshot storage that can hold unlimited number 
of snapshots and share data between them:

http://people.redhat.com/mpatocka/patches/kernel/new-snapshots/

How-to-use is at the beginning of dm-multisnapshot.patch

If you see some errors, report them.

This storage uses btree with the key (chunk number, snapshot range). It 
uses log-structured storage, so that it is safe w.r.t. crash.

TODO:
- reclaim allocated space, allow deleting snapshots
- writable snapshots

Mikulas