But how about the change of chunkid? Chunk id along whith byte count give the location of the chunk inside the object. Does chunkid return to 0 when it reach the max number in a block? I saw in the yaffs header it have 32bits so how it changes in block? Thank you.
Regards
Alex
> Subject: Re: [Yaffs] Question about metadata
> From: brobertson@aminocom.com
> To: by_pacific@hotmail.com
> Date: Tue, 25 Jan 2011 08:50:07 +0000
>
> Hi Alex,
>
> >From the document HowYaffsWorks:
>
> ● Sequence Number: As each block is allocated, the file system's
> sequence number is incremented and each chunk
> in the block is marked with that sequence number. The sequence number
> thus provides a way of organising the log
> in chronological order.
>
> So it looks like the SequenceNumber may help with what you want to do.
>
> Regards
>
> Brian.
>
>
> On Tue, 2011-01-25 at 11:23 +0800, 黄柏一 wrote:
> > Hi all,
> >
> > I have a basic question. As we know the Chunkid will start from 0 to
> > the max number of chunks in one block. And it will contiune from 0 to
> > the next block. So how we can distinguish these different chunks in
> > different block? Do we have a kind of "blockid" in yaffs? I did not
> > see that in yaffs header. What kind of method can help doing the
> > allocation ? Another question, i still do not know the function of
> > sequence number. Thank you guys.
> >
> > Alex
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>
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