On Wed 13-01-21 11:09:24, Jan Kara wrote: > Hello, > > this patch series contains one tiny cleanup and two relatively simple fixes > for BFQ I've uncovered when analyzing behavior of four parallel sequential > readers on one machine. The fio jobfile is like: > > [global] > direct=0 > ioengine=sync > invalidate=1 > size=16g > rw=read > bs=4k > > [reader] > numjobs=4 > directory=/mnt > > The first patch fixes a problem due to which the four bfq queues were getting > merged without a reason. The third patch fixes a problem where we were unfairly > raising bfq queue think time (leading to clearing of short_ttime and subsequent > reduction in throughput). > > Jens, since Paolo has acked all the patches, can you please merge them? Jens, ping? Can you please pick up these fixes? Thanks! Honza -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR