On Thu, Oct 26, 2006 at 08:43:34PM +0200, Avi Kivity wrote:
> The changes make the mutex more efficient, but won't decrease the
> contention. It seems that all renames in one filesystem are serialized,
> and if the renames require I/O (which is certainly the case with nfs),
> rename throughput is severely limited.
They are, and for a good reason. For details see
Documentation/filesystems/directory-locking.
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