Messages in this thread | | | Subject | Re: [patch] 'virtual => physical page mapping cache',vcache-2.5.38-B8 | From | Alan Cox <> | Date | 27 Sep 2002 20:16:26 +0100 |
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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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