[ext3-discuss] FreeBSD's ext2fs

Pedro Giffuni giffunip at yahoo.com
Sat Aug 29 22:00:55 PDT 2009


Just to put this in context:
I understand the OpenSolaris ext2/3 implementation is based on the UFS. This is CDDL'd and it's also different to FreeBSD's UFS (which was also the base for ext2fs implementation).

OpenSolaris has two things the BSDs don't have: the preallocation-grouping stuff and the variant of the Orlov allocator used by linux. The author(s) of that specific code would be able to dual license them if he wants to.

Sharing may be good but I am not that sure it makes sense unless both camps are willing to work together:

- The Orlov allocator variant is relatively well documented in a patch on the net.
- In the case of preallocation I think both the Solaris and BSD versions should have preallocation closely linked to the clustering code and not done as in the linux approach.
-- 
This message posted from opensolaris.org


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