Milosz Tanski <milosz@xxxxxxxxx> wrote: > In my test cluster I started seeing an issue when the fscache get > stuck waiting on pending writes when doing page invalidate. The > problem happens because it looks like the page never leaves the > cookie->store page tree. > > I've been reading the different code paths in fscache/page.c to > understand why this could be the case, but on first look it looks like > it does the correct thing. Do you have any ideas what could be causing > this / where to look for the smoking gun. > > I've only begun to see this recently, I think our work load on the > test cluster changed a bit and it's been showing up more. The most likely answer is that there's a race whereby a page is added to the store tree, but the write-out operation isn't rescheduled. David -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
