Re: [PATCH RFC 3/5] lightnvm: add sync support for submit_io
From: Christoph Hellwig
Date: Tue Dec 15 2015 - 07:34:41 EST
On Mon, Dec 14, 2015 at 02:17:05PM +0100, Matias Bj??rling wrote:
> Allow read and write I/Os to be issued synchronous. Users include the
> LightNVM core to implement system block support and similar.
I think the right way to implement this is to wait in the caller,
e.g. set your end_io handler to a trivial one that just does a complete
and add a completion that you can wait on in the caller.
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