Re: main thread event loop can be blocked

At Tue, 27 Jan 2015 21:02:08 +0800,
Yifeng Xu wrote:
> 
> if a backing store is network based, when it is added to a target as a
> lun, the main thread may be blocked in its bs_open function,
> then all network I/O for other luns will be blocked too, what's the
> solution to the problem ?
> 
> Regards,

bs_open() would block main thread. But open is rare event so it
wouldn't be problematic.

Hot I/O requests can be processed in worker threads if a backing store
uses bs_thread_cmd_submit().

Thanks,
Hitoshi

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