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[[!meta copyright="Copyright © 2007, 2008, 2010, 2011, 2012 Free Software
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# Implementation
* [[filetype]] option
* [[Hurd-specific_extensions]]
* [[Page_cache]]
## Large Stores
The `ext2fs` translator from the upstream Hurd code base can only handle file
systems with sizes of less than roughly 2 GiB.
[[!tag open_issue_hurd]]
### Ognyan's Work
* Ognyan Kulev, [[*Supporting Large ext2 File Systems in the
Hurd*|ogi-fosdem2005.mgp]], 2005, at FOSDEM
* Ognyan Kulev, [[large_stores]]
* <http://kerneltrap.org/node/4429>
Ognyan's patch lifts this limitation (and is being used in the
[[Debian_GNU/Hurd_distribution|running/debian]]), but it introduces another
incompatibility: `ext2fs` then only supports block sizes of 4096 bytes.
Smaller block sizes are commonly automatically selected by `mke2fs` when using
small backend stores, like floppy devices.
# Documentation
* <http://e2fsprogs.sourceforge.net/ext2.html>
* <http://www.nongnu.org/ext2-doc/>
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