On 02/24/2016 09:32 AM, Andrey Kuzmin wrote:
> The patch has been revised to add 'mem=ioengine' option and respective
> sanity checks.

I kind of like the suggestion I made yesterday, where we don't add the 
new option type, but error out if the IO engine has alloc/free hooks AND 
the user has asked for a different backing than the default. Something 
like the attached - untested.

-- 
Jens Axboe