On Thu, Aug 31, 2017 at 08:46:28AM +0200, Paolo Valente wrote: > [SECOND TAKE, with just the name of one of the tester fixed] > > Hi, > while testing the read-write unfairness issues reported by Mel, I > found BFQ failing to guarantee good responsiveness against heavy > random sync writes in the background, i.e., multiple writers doing > random writes and systematic fdatasync [1]. The failure was caused by > three related bugs, because of which BFQ failed to guarantee to > high-weight processes the expected fraction of the throughput. > Queued on top of Ming's most recent series even though that's still a work in progress. I should know in a few days how things stand. -- Mel Gorman SUSE Labs
