The useHeaderFileSize option is only useful for YAFFS1.

YAFFS2 needs to use this otherwise various things break.
For this reason, yaffs_GutsInitialise forces this on for YAFFS2 in the the 
following lines:

if(dev->isYaffs2) 
{
dev->useHeaderFileSize = 1;
}

Defeat this and YAFFS2 will break.


On Friday 04 February 2005 01:08, Abhishek Bhattacharya wrote:
> Hello Yaffs ers and Charles
> 
> I want to report an observation I had when testing Yaffs2 direct
> interface. In yaffs2 we have the option of "useHeaderFileSize".
> Now in yaffs_Scan() , after we scan all blocks, we check if "yaffs2"
> option is enabled or not.
> 
> If yaffs2 is enabled we make dev->useHeaderFileSize = 1. Upon enabling
> this, the expected result would be , that object
> would get the file size from object header, and not from scanned file
> size.
> 
> Now when we do dumpDir(const char* path), my observation was that , it
> shows all the files , but sizes are shown as 0.
> 
> At this point , I tried to make dev->useHeaderFileSize = 0. So now , we
> directly assign the object's scanned file size
> to object's file size and VOILA!!! Everything seems to work fine. This
> time dumpDir(const char* path) returns all the files
> with there respective sizes!!!
> 
> Please let me know if you have encountered any such issues!
> 
> Thanks
> 
> Abhishek
> 
>
>
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