[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: What on Earth is JFFS2 GC doing?



David Woodhouse wrote:

> vipin.malik@xxxxxxx.com said:
> >  So, my question is: What on Earth is the JFFS2 fs doing that its
> > blocking time is linearly proportional to the amount of disk usage.
> > We go from a a write "block" time of ~2.5secs to ~18secs on  an almost
> > full fs.
>
> Am Iright in interpreting your final snippet as waiting 18 seconds for a
> _single_ block to be erased?

No. _One_ of the things it does in the 18 seconds is erase that sector. I
have no idea where the rest of the time is spent.

>
> Can I have an annotated debug log?
>

What do you mean?

Vipin



To unsubscribe from this list: send the line "unsubscribe jffs-dev" in
the body of a message to majordomo@xxxxxxx.com