> One more thing. Have you change the "quantum" tunable of CFQ? Looking > at the traces of SYNC case, CFQ seems to be allowing up to 65 requests > from a single cfq queue. But that does not happen. It is limited to 8 > requests max from a cfq queue. > > Which kernel version are you using? > > Thanks > Vivek I haven't changed it. It's 8 --- the default. I'm using 2.6.34. Mikulas -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
