Re: [PATCH 7/8] xfsdump: path lookup cache must be thread specific

[Christoph Hellwig <hch@xxxxxxxxxxxxx>]

On Wed, Nov 02, 2011 at 04:10:53PM -0500, Bill Kendall wrote:
> The xfsrestore path lookup routine (maps an ino + generation number to a
> pathname) contains a cache for fast lookups of consecutive files in the
> same parent directory. This cache either needs to be protected by a lock
> or a cache is needed per thread. I took the latter approach since it
> doesn't add lock contention and it increases the cache hit rate (it's
> relatively unlikely that each stream is processing files in the same
> directory).
> 
> Signed-off-by: Bill Kendall <wkendall@xxxxxxx>

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>