Re: given fs dies if SMP, if PREEMPT, if open two or more

[Pat LaVarre <p.lavarre@ieee.org>]

> So far we've demoed some trouble in the
> linux-fsdevel thread "zeroes read back more
> often than appended".  That trouble occurs if
> CONFIG_SMP, if CONFIG_PREEMPT, or if I append
> nonzero bytes to multiple files in a round
> robin sequence.
>
> That says to me something in udf.ko doesn't
> know how to reenter itself, right?  So my next
> step is to try reading while writing, to see
> if that breaks also, right?

I remember eventually I did try that, but in fact writing while reading
did Not break as readily as writing while writing.

Pat LaVarre