Re: [PATCH 1/2 V4] MM: replace PF_LESS_THROTTLE with PF_LOCAL_THROTTLE

On Wed 13-05-20 17:17:20, NeilBrown wrote: > > PF_LESS_THROTTLE exists for loop-back nfsd (and a similar need in the > loop block driver and callers of prctl(PR_SET_IO_FLUSHER)), where a > daemon needs to write to one bdi (the final bdi) in order to free up > writes queued to another bdi (the

[PATCH 1/2 V4] MM: replace PF_LESS_THROTTLE with PF_LOCAL_THROTTLE

PF_LESS_THROTTLE exists for loop-back nfsd (and a similar need in the loop block driver and callers of prctl(PR_SET_IO_FLUSHER)), where a daemon needs to write to one bdi (the final bdi) in order to free up writes queued to another bdi (the client bdi). The daemon sets PF_LESS_THROTTLE and gets