OT: Wikipedia FS comparsion page needs update

[McLone]

Hell Low.

I think we should conduct a slight PR move
and update [1] w.r.t HAMMER.

What can be said about data layout?
The table at [1] has following columns:
? Block suballocation
? Variable file block size
? Extents
? Allocate-on-flush
+ Sparse files
- Transparent compression

What are those limitations for HAMMER?
? Maximum filename length
? Allowable characters in directory entries (are there exceptions?)
? Maximum pathname length
? Maximum file size

Does it support ACLs, Security/MAC labels,
extended attributes, alternate data streams, forks?
What can be said about CoW, Block journaling or
Metadata-only journaling of HAMMER?
Can something be said w.r.t XIP [2]?

I guess HAMMER volume still cannot be shrunk,
nor can it deduplicate.

[1] http://en.wikipedia.org/wiki/Comparison_of_file_systems
[2] http://en.wikipedia.org/wiki/Execute_in_place
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