Re: [patch] aio: remove aio-max-nr and instead use the memlock rlimitto limit the number of pages pinned for the aio completion ring

[Eric Dumazet]

Benjamin LaHaise a écrit :
> On Thu, Mar 12, 2009 at 04:33:20AM +0100, Eric Dumazet wrote:
>> aio breaks the fget_light() concept too, if process is mono threaded.
> 
> AIO requests cannot use fget_light().  The user space program could very 
> well use the close() syscall to destroy the file descriptor while an io 
> request is in flight, so you cannot avoid the reference counting overhead.

Yes, you are right, AIO doesnt break fget_light()


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