Re: rename() contention (BUG?)

From: Al Viro
Date: Thu Oct 26 2006 - 15:22:50 EST


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.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/