Hi,
 
Is that mean each directory will take one chunk to store the object header and if there is some update for its children, yaffs will rewrite this object header on a new chunk? Thank you.
 
Alex
 
> From: manningc2@actrix.gen.nz
> To: yaffs@lists.aleph1.co.uk
> Date: Fri, 4 Feb 2011 10:39:19 +1300
> Subject: Re: [Yaffs] Question about Yaffs Directory
> 
> On Friday 04 February 2011 08:49:31 HuangAlex wrote:
> > Hi all,
> >
> > As mentioned in the note, yaffs treat everything as object. So i wonder how
> > the directory structured in yaffs? Every directory have one chunk or many
> > chunks? What is the chunkid and objectid for a directory?
> >
> > Thank you all.
> >
> > Alex
> 
> Alex
> 
> Please read http://www.yaffs.net/files/yaffs.net/HowYaffsWorks.pdf
> 
> Directories are not stored in the flash. These are built up from the object 
> headers on the fly and formed into lists of objects in the same directory.
> 
> Each object knows which object is its parent. This is stored in the object 
> header
> 
> For example consider:
> 
> object id 500 file "a", parent is object id 503
> object id 501 file "b", parent is object id 503
> object id 502 directory "d", parent is 1 (1 is the root)
> object id 503 directory "dir" parent is 502
> 
> that gives us the following paths
> object id 1"/"
> object id 500 "/d/dir/a"
> object id 501 "/d/dir/b"
> object id 502 "/d"
> object id 503 "/d/dir"
> 
> 
> 
> 
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