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Re: Revised Proposal: Improved locking implementation for fsfs

From: Mark Benedetto King <mbk_at_lowlatency.com>
Date: 2005-01-04 22:17:31 CET

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).


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Received on Tue Jan 4 22:19:05 2005

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