On 2011-07-22 22:59, Dan Williams wrote: > Some storage controllers benefit from completions always being steered > to the strict requester cpu rather than the looser "per-socket" steering > that blk_cpu_to_group() attempts by default. > > echo 2 > /sys/block/<bdev>/queue/rq_affinity I have applied this one, with a modified patch description. I like the adaptive solution, but it should be rewritten to not declare and expose softirq internals. Essentially have an API from kernel/softirq.c that can return whether a given (or perhaps just local) softirq handler is busy or not. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html