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Re: Revised Proposal: Improved locking implementation for fsfs

From: Brian W. Fitzpatrick <fitz_at_collab.net>
Date: 2005-01-05 17:50:46 CET

On Tue, 2005-01-04 at 15:17, Mark Benedetto King wrote:
> On Tue, Jan 04, 2005 at 02:49:00PM -0600, Brian W. Fitzpatrick wrote:
> >
> > If the node is a directory, the second through n lines will contain a
> > serialized hash of entries, where the hash key is the name of the child
> > component, and the corresponding value is the integer of the filename
> > where the node's lock is stored.
> >
> If we consider this data element to be a (somehow delimited) list of
> integers, then we can try to limit the size of the individual dirent
> files, which should avoid quadratic I/O behaviour (relevant when
> locking many files in the same directory).

Can you explain this in more detail please? I don't understand what
you're saying.

-Fitz, the confused

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Received on Wed Jan 5 17:56:27 2005

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