Messages in this thread | | | Date | Fri, 10 May 2002 00:58:52 +0100 | From | Christoph Hellwig <> | Subject | Re: [PATCH 2.4.19-pre8] FastWalk Dcache back port from 2.5 |
| |
On Thu, May 09, 2002 at 04:52:13PM -0700, Hanna Linder wrote: > Hello, > > Please consider this new and improved fast walk patch for > inclusion in your 2.4.19 tree. This patch reduces cacheline bouncing > due to numerous atomic increments and decrements of the d_count > reference counter during path walking by holding the dcache_lock > as long as the dentries are in the cache. > Linus included my original patch in 2.5.11. Al Viro made a > few great changes in 2.5.12 and Paul Menage added one fix. The following > patch includes their changes as well. This code has been in 2.5 for > almost 3 weeks and appears to be quite stable.
The fixed code isn't there for a long time yet.. I'd rather see the path_lookup cleanup which already is in -ac go into 2.4.19 (and if I understood Marcelo right that'll be release in the next time) and wait for 2.4.20-pre<early> for the massive changes.
Just my .5 (Euro-)Cent. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |