On December 24, 2001 01:52 am, Anton Blanchard wrote:
> This is the still 12 way ppc64, the results are similar to the last
> test. It confirms that the current pagecache locking is a bottleneck
> for larger SMP machines.
>
> We quickly hit the following spinlocks with the pagecache lock out of
> the way:
>
> ext2_get_block: BKL
> refile_buffer: lru_list_lock
> remove_from_queues: lru_list_lock
> try_to_free_buffers: lru_list_lock
> d_lookup: dcache_lock
> ext2_discard_prealloc: BKL
>
> Is someone working on removing the BKL from ext2 in 2.5?
Al has already done most of the work, it won't take much to complete it. It
wasn't a priority before 2.5 (stability was).
It's nice to see somebody still cares about the speed of Ext2 ;)
-- Daniel - 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/
This archive was generated by hypermail 2b29 : Mon Dec 31 2001 - 21:00:13 EST