Re: [PATCH] SUNRPC: restore fair scheduling to priority queues.

2016-02-09 Thread NeilBrown
On Wed, Feb 10 2016, NeilBrown wrote: > On Sun, Dec 27 2015, Trond Myklebust wrote: > >> On Tue, Dec 15, 2015 at 10:10 PM, NeilBrown wrote: >>> If you treated all reads and writed the same, then I can't see value in >>> restoring fair scheduling. If there is any difference, then I suspect >>> w

Re: [PATCH] SUNRPC: restore fair scheduling to priority queues.

2016-02-09 Thread NeilBrown
On Sun, Dec 27 2015, Trond Myklebust wrote: > On Tue, Dec 15, 2015 at 10:10 PM, NeilBrown wrote: >> On Wed, Dec 16 2015, Trond Myklebust wrote: >> >>> On Tue, Dec 15, 2015 at 6:44 PM, NeilBrown wrote: Commit: c05eecf63610 ("SUNRPC: Don't allow low priority tasks to pre-empt highe

Re: [PATCH] SUNRPC: restore fair scheduling to priority queues.

2015-12-26 Thread Trond Myklebust
On Tue, Dec 15, 2015 at 10:10 PM, NeilBrown wrote: > On Wed, Dec 16 2015, Trond Myklebust wrote: > >> On Tue, Dec 15, 2015 at 6:44 PM, NeilBrown wrote: >>> >>> Commit: c05eecf63610 ("SUNRPC: Don't allow low priority tasks to pre-empt >>> higher priority ones") >>> >>> removed the 'fair schedulin

Re: [PATCH] SUNRPC: restore fair scheduling to priority queues.

2015-12-15 Thread NeilBrown
On Wed, Dec 16 2015, Trond Myklebust wrote: > On Tue, Dec 15, 2015 at 6:44 PM, NeilBrown wrote: >> >> Commit: c05eecf63610 ("SUNRPC: Don't allow low priority tasks to pre-empt >> higher priority ones") >> >> removed the 'fair scheduling' feature from SUNRPC priority queues. >> This feature cause

Re: [PATCH] SUNRPC: restore fair scheduling to priority queues.

2015-12-15 Thread Trond Myklebust
On Tue, Dec 15, 2015 at 6:44 PM, NeilBrown wrote: > > Commit: c05eecf63610 ("SUNRPC: Don't allow low priority tasks to pre-empt > higher priority ones") > > removed the 'fair scheduling' feature from SUNRPC priority queues. > This feature caused problems for some queues (send queue and session sl

[PATCH] SUNRPC: restore fair scheduling to priority queues.

2015-12-15 Thread NeilBrown
Commit: c05eecf63610 ("SUNRPC: Don't allow low priority tasks to pre-empt higher priority ones") removed the 'fair scheduling' feature from SUNRPC priority queues. This feature caused problems for some queues (send queue and session slot queue) but is still needed for others, particularly the tc