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Re: kqueue - supported filesystems?

On Jun 12, 2006, at 10:55 AM, Josh Graessley wrote:

On Jun 12, 2006, at 8:34 AM, Dave Zarzycki wrote:

On Jun 9, 2006, at 6:31 PM, Jim Correia wrote:

The kqueue man page says:

Not all filesystem types support kqueue-style notifications. And even
some that do, like some remote filesystems, may only support a subset of
the notification semantics described here.

Which filesystems are supported?

If memory serves me correct, just HFS in Tiger. But we're trying (no promises) to move that logic up to the VFS layer so that all file systems get it for free.

It is worth noting that even once this is at the VFS layer, there will still be issues. I believe that network file systems are unlikely to support this. The protocol would need to push this information to the clients.

Well, given a VFS layer implementation, the notifications would be local only, much like memory mapping a file on a network volume can only, at best, share memory with local processes.

davez
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References: 
 >kqueue - supported filesystems? (From: Jim Correia <email@hidden>)
 >Re: kqueue - supported filesystems? (From: Dave Zarzycki <email@hidden>)
 >Re: kqueue - supported filesystems? (From: Josh Graessley <email@hidden>)



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