[dm-devel] BIO_RW_SYNCIO

[Mikulas Patocka]

> 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