Question about locking
Jeremy Allison
jeremy at valinux.com
Thu Jul 26 20:22:49 GMT 2001
Joe Meslovich wrote:
>
> 8476 DENY_NONE RDWR LEVEL_II /export/home/facstaff/jatkins/eudo
> ra/OWNER.LOK Thu Jul 26 11:57:18 2001
> 8476 DENY_NONE RDWR LEVEL_II /export/home/facstaff/jatkins/eudo
> ra/OWNER.LOK Thu Jul 26 11:55:54 2001
>
> The occurance of the dual LEVEL_II oplocks is what concerns me.
> How can a single process lock a file in a LEVEL_II lock twice?
level II oplocks are read caching oplocks. The point of them
is they aren't exclusive and multiple opens can cache read
data (until the first write).
Jeremy.
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