Re: [RFC] parallel directory operations

bzzz@tmi.comex.ru
Tue, 08 Jul 2003 15:28:27 +0000


>>>>> Andi Kleen (AK) writes:

AK> Alex Tomas <bzzz@tmi.comex.ru> writes:
>> dynamic locks. supports exclusive and shared locks. exclusive lock may
>> be taken several times by first owner.

AK> What's the difference between these locks and the existing rw semaphores?

dynlocks implements 'lock namespace', so you can lock A for namepace N1 and
lock B for namespace N1 and so on. we need this because we want to take lock
on _part_ of directory.

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