Well, it's been almost a week since the latest stupid bug was found in the
JFFS2 code, so I suppose it's time to admit to the world that it exists.
JFFS2, developed by Red Hat, is a complete reimplementation of a
journalling filesystem for FLASH devices, based on the original JFFS
from Axis Communications AB.
Improvements of JFFS2 over the original JFFS include:
- Improved wear levelling and garbage collection performance.
- Compression
- Improved RAM footprint and response to system memory pressure.
- Improved concurrency and support for suspending flash erases
- Support for hard links.
You can get it from anonymous CVS:
cvs -d :pserver:[EMAIL PROTECTED]:/home/cvs login (password: anoncvs)
cvs -d :pserver:[EMAIL PROTECTED]:/home/cvs co mtd
The only platform currently supported is Linux 2.4. A port to eCos is
likely to happen quite soon.
JFFS2 filesystem images of the current 'Familiar' distribution for the
Compaq iPAQ, along with appropriate kernels, are available at
ftp://ftp.uk.linux.org/pub/people/dwmw2/familiar-0.3/
--
dwmw2
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