On Fri, 6 Oct 2006, David Xu wrote: > On Friday 06 October 2006 16:50, Dmitry Pryanishnikov wrote: >> Hello! >> >> On Fri, 6 Oct 2006, David Xu wrote: >>>> FYI, this has recurred, so it seems to be an easy problem to trigger. >>>> >>>> Kris >>> >>> can you try attached patch ? it disables support for non-disk files, >>> I suspect the test passed non-disk file handle to aio, and caused >>> the problem. >> >> I think it must be done as a workaround _only_. What's the point of >> having asynchronous I/O capability for relatively fast HDDs while missing >> this support for other (slow) I/O such as ttys or pipes? This situation >> renders the whole presence of aio almost useless. >> >> Sincerely, Dmitry > > We are diagnosing the problem, not trying to remove some capabilities, > I also don't have plan to work on it, I have already been overloaded by > threading work, it is not a trivial work to implement AIO for all I/O > facilities, I believe its amount of work is considerable, and some people > are better to start a new project to implement it. I've always thought that perhaps it could be better done in userspace, libaio, with threads. -- DEReceived on Fri Oct 06 2006 - 10:44:50 UTC
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