Messages in this thread |  | | | Date | Wed, 5 Jan 2011 10:00:48 -0500 | | From | Benjamin LaHaise <> | | Subject | Re: [PATCH 21/32] fs/aio: aio_wq isn't used in memory reclaim path |
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On Wed, Jan 05, 2011 at 09:50:57AM -0500, Jeff Moyer wrote: > > Yeap. Do you agree that the concurrency limit is necessary? If not, > > we can just put everything onto system_wq. > > I'm not sure whether it's strictly necessary (there may very well be a > need for this in the usb gadgetfs code), but keeping it the same at > least seems safe.
Limiting concurrency on aio requests is exactly the opposite of what the usb gadgetfs requires. It's similarly bad for filesystem aio when there's a mix of small and large requests in flight.
-ben
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