On Thu, Oct 24, 2013 at 02:30:18PM -0400, Mike Snitzer wrote: > From: Joe Thornber <ejt@xxxxxxxxxx> > --- a/drivers/md/dm-cache-policy-mq.c > - * We maintain two queues of entries. The cache proper contains > + * We maintain three queues of entries. The cache proper, Does the Documentation file need updating too? : The multiqueue policy has two sets of 16 queues: one set for entries : waiting for the cache and another one for those in the cache. > @@ -580,7 +585,16 @@ static void check_generation(struct mq_policy *mq) Is the comment about this function no longer accurate? : * At the moment the threshold is taken by averaging the hit counts of some : * of the entries in the cache (the first 20 entries of the first level). - It looks at clean before dirty? - It looks at more than just the first level if it needs to? > +// FIXME: can __mq_set_clear_dirty block? Still to check this before inclusion upstream? Alasdair -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel