[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [ogfs-dev]Map OpenDLM to G-lock: lock name

On Wed, Aug 13, 2003 at 02:36:59PM -0700, Ben Cahill wrote:
> Thanks, Stan.
> Wow, it appears that there is lots of room for a lock name in OpenDLM!
> Since the lock type is carried by G-Lock layer as a 32-bit value, could we carry it as a 32-bit value in the OpenDLM implmentation?  memexp uses only the lower 8 bits (see pack_bid() in dmep_tcp.c), but maybe for OpenDLM it might actually be more efficient to carry it as a 32 bit value (less CPU manipulation)?
> Also, I'm wondering if we need some identifier in the lockname, such as characters "OGFS", in case OpenDLM is simultaneously being used for other locking domains (e.g. another filesystem, or an application)?  Would that be useful, or does ODLM have its own way of keeping its clients separate from one another?

The most likely problem I see is how to share one odlm for
multiple ogfs partitions.  How can this be achieved?


Dominik ^_^  ^_^

This SF.Net email sponsored by: Free pre-built ASP.NET sites including
Data Reports, E-commerce, Portals, and Forums are available now.
Download today and enter to win an XBOX or Visual Studio .NET.
Opengfs-devel mailing list

[Kernel]     [Security]     [Bugtraq]     [Photo]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Clusters]     [Linux RAID]     [Yosemite Hiking]     [Linux Resources]

Powered by Linux