Re: [PATCH] block: unexport DISK_EVENT_MEDIA_CHANGE for legacy/fringe drivers

Jens Axboe
2011-04-21T19:31:45Z

On 2011-04-21 21:00, Tejun Heo wrote:
> In-kernel disk event polling doesn't matter for legacy/fringe drivers
> and may lead to infinite event loop if ->check_events() implementation
> generates events on level condition instead of edge.
>
> Now that block layer supports suppressing exporting unlisted events,
> simply leaving disk->events cleared allows these drivers to keep the
> internal revalidation behavior intact while avoiding weird
> interactions with userland event handler.

Seems like the good thing to do, I'll queue this up for 2.6.39.

--
Jens Axboe