On Fri 09-10-09 17:18:32, Peter Zijlstra wrote: > On Fri, 2009-10-09 at 17:12 +0200, Jan Kara wrote: > > Ugh, but this is not equivalent! We would block the writer on some BDI > > without any dirty data if we are over global dirty limit. That didn't > > happen before. > > It should have, we should throttle everything calling > balance_dirty_pages() when we're over the total limit. OK :) I agree it's reasonable. But Wu, please note this in the changelog because it might be a substantial change for some loads. Honza -- Jan Kara <jack@xxxxxxx> SUSE Labs, CR -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html