han@oracle.com
> Subject: [PATCH v4 1/4] [SCSI] sg: use rwsem to solve race during
> exclusive open
> X-Mailer: git-send-email 1.7.11.7
>
> 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
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
2 matches
Mail list logo
