On 2/10/06, Peter Barada <
peterb@logicpd.com> wrote:
> On Fri, 2006-02-10 at 15:39 +0000, Jon Masters wrote:
> > On 2/9/06, Peter Barada <peterb@logicpd.com> wrote:
> > > I use a YAFFS1 NOR-based system, and in the writes, we lay
> > > down the data chunk, and then the tag. In the unlikely event that a
> > > power-cycle occurs while writing the data, the tag is still empty, but
> > > some of the data chunk is not erased, and then next time a write occurs
> > > into that chunk, YAFFS sees that the write fails since the previous data
> > > was written(and retires the whole block), even though the tag indicated
> > > the chunk is empty.
> > That does seem to be preferable over writing the tag twice.
> Why?
It just seems to go against the design philosophy of YAFFS, but, as
you point out, you're only changing a single bit. It just doesn't seem
right as a general solution to the problem.
Jon.
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