[ECOS] What is a block device?

osv osv@javad.com
Mon Nov 28 10:15:00 GMT 2005


Andrew Lunn <andrew@lunn.ch> writes:

[...]

> The harder question is what to do about the flash code. JFFS2 needs to
> be able to write and read in less than blocks. In fact it really wants
> a character interface.

I'm afraid (NAND) FLASH-aware file system(s) need their own API(s) to
communicate to the FLASH. IMHO neither block nor character device API is
enough to conveniently describe, say, NAND FLASH chips to a FLASH-aware
file system.

-- 
Sergei.

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