Re: [RFC] Add support for semaphore-like structure with support forasynchronous I/O

[Andrew Morton]

Trond Myklebust <trond.myklebust@xxxxxxxxxx> wrote:
>
> This is required in order to allow threads such as rpciod or keventd
> itself (for which sleeping may cause deadlocks) to ask the iosem manager
> code to simply queue the work that need to run once the iosem has been
> granted. That work function is then, of course, responsible for
> releasing the iosem when it is done.

I see.  I think.  Should we be using those aio/N threads for this?  They
don't seem to do much else...

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