On Fri, 2002-09-27 at 19:35, Andrew Morton wrote:
> O_DIRECT writes operate under i_sem, which provides exclusion
> from trucate. Do you know something which I don't??
So it does, hidden away in generic_file_write rather than the lower
layers. Interesting. So now I have a new question to resolve, which is
why doing O_DIRECT and truncate together corrupted my disk when I tried
it trying to break stuff
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