On Mon, 2013-07-22 at 12:40 +0800, Vaughan Cao wrote:
> A race condition may happen if two threads are both trying to open the same sg
> with O_EXCL simultaneously. It's possible that they both find fsds list is
> empty and get_exclude(sdp) returns 0, then they both call set_exclude() and
> break o
A race condition may happen if two threads are both trying to open the same sg
with O_EXCL simultaneously. It's possible that they both find fsds list is
empty and get_exclude(sdp) returns 0, then they both call set_exclude() and
break out from wait_event_interruptible and resume open.
Now use rws
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