[Devel] [PATCH criu-stable v2] aio: Use VE_AIO_IOC_SET_TAIL and VE_AIO_IOC_WAIT_ACTIVE ioctls

Cyrill Gorcunov gorcunov at virtuozzo.com
Sat Feb 20 02:49:56 PST 2016


On Sat, Feb 20, 2016 at 01:24:47PM +0300, Kirill Tkhai wrote:
> This adds a waiting of in-flight aio requests during dump
> and allows to set ring buffer tail from userspace.
> 
> The last thing we need because it's the only AIO ring parameter
> we can't set from userspace. This allows to restore the ring
> state fully.
> 
> Signed-off-by: Kirill Tkhai <ktkhai at virtuozzo.com>

Kirill, could you please clarify -- this ioctls are our own
interface so if we merge this into vanilla criu, would it
still be possible to run on vanilla kernels?


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