Author: Charles Manning Date: To: yaffs Subject: Re: [Yaffs] mounting large yaffs device takes a long time?
On Tuesday 24 February 2009 15:55:44 rogerz zhang wrote: > Hi:
>
> I'm using yaffs on a 6×1GB nandflash array. When the disk is full of files,
> it takes as long as 2-3 minutes to mount it. I did a simple profiling and
> found out yaffs_Scan and yaffs_Scanback costs most of the time.
>
> Is there any way to improve the scanning speed on large yaffs device?
Mounting can take quite a lot of time depending on what is written to the
flash.
If you shut down cleanly then the "checkpoint" mechanism will save a snapshot
of the state and that should restore really quickly (a few seconds).
There are some potential improvements but they are non-trivial.