jffs2 / eCos

Jörn Engel
2003-03-30T21:22:50Z

On Sun, 30 March 2003 22:49:40 +0200, Bob Koninckx wrote:
>
> I successfully included jffs2 in my powerpc based system. The fileio1
> test runs sucessfully. I am now trying to flash an initial version of
> the filesystem to be used by my application.
>
> The block size of my flash is 128kBytes. I made the filesystem image
> with the following command
>
> mkfs.jffs2 -v --big-endian -e 0x20000 -r ./jffs2root -o jffs2root.img -p
>
> First I tried mkfs.jffs2 version 1.32. Mounting the filesystem did not
> even succeed in this case. Apparently some magic number that needed to
> be 1985 was read as 8519. Some endianness problem I suppose.

You forgot -b (big endian), it seems.

> After upgrading to version 1.35, the filesystem can be mounted. Files
> and directories appear to be present (the same fileio1 test still runs
> sucessfull and lists what should be present). Opening a file on this
> system seems to succeed (fopen returns a FILE * anyway). However, when I
> try to _read_ from the file, I get EIO errors.

This is strange. You still forgot -b but can mount it?

J?rn

--
More computing sins are committed in the name of efficiency (without
necessarily achieving it) than for any other single reason - including
blind stupidity.
-- W. A. Wulf