some questions regarding the write operation on JFFS2

[Artem B. Bityuckiy]

On Tue, 18 Jan 2005, Vahid Fereydunkolahi wrote:

> Hi All,
>  I traced the write operation from the Linux kernel to
> the JFFS2. I have some questions:
>     1) Is there any chance that there could be some
> partial writes on the NAND flash (if power failure
> happens during write operation).
Yes, there is chance.

> 
>     2) Does SYNC has any meaning when using the JFFS2.
> As fas as I noticed the write operations are
> formwarded to the MTD device, and they are not cached.
For NAND JFFS2 has per-NAND page buffer, so sync flushes it. see 
jffs2/wbuf.c.

> 
> Thank you so much in advance,
> --vahid
You're welcome :-)

> 
> 
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--
Best Regards,
Artem B. Bityuckiy,
St.-Petersburg, Russia.