Re: [RFC PATCH] UBIFS - new flash file system

From: Thomas Gleixner
Date: Fri Apr 18 2008 - 05:06:24 EST


On Thu, 27 Mar 2008, Artem Bityutskiy wrote:
> UBIFS mount time is considerably faster as well. For example,
> In case of OLPC we observed 10-15 seconds faster boot time
> comparing to JFFS2 (fast mount, no full media check).

The mount time compared to JFFS2 on a 700MiB partition went down from
1min40s to 5sec on the same hardware. Pretty impressive

> UBIFS is quite complex because it is difficult to maintain
> indexing information on the flash media and be fast at the same
> time. Please, refer the UBIFS white paper for information
> about UBIFS design.

We did some initial stress tests and so far it looks pretty robust.

Great job !

Thanks,
tglx
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/