[sheepdog] [PATCH v2 4/7] md: add hot-plug and hot-unplug support

[Liu Yuan]

On 04/03/2013 12:47 PM, MORITA Kazutaka wrote:
> How about removing the broken disk here and continuing the loop?  I
> looks much better than returning an error to the user.

This means we need to get a write lock, get_info is relatively time
consuming and block IO requets. is this trade-off worthy of it?

Thanks,
Yuan