RE: [PATCH 4/5] I/OAT: Tighten descriptor setup performance

2007-10-17 Thread Nelson, Shannon
>-Original Message- >From: Andrew Morton [mailto:[EMAIL PROTECTED] > >On Wed, 17 Oct 2007 17:14:33 -0700 >Shannon Nelson <[EMAIL PROTECTED]> wrote: > >> The change to the async_tx interface cost this driver some >performance by >> spreading the descriptor setup across several functions,

Re: [PATCH 4/5] I/OAT: Tighten descriptor setup performance

2007-10-17 Thread Andrew Morton
On Wed, 17 Oct 2007 17:14:33 -0700 Shannon Nelson <[EMAIL PROTECTED]> wrote: > The change to the async_tx interface cost this driver some performance by > spreading the descriptor setup across several functions, including multiple > passes over the new descriptor chain. Here we bring the work bac

[PATCH 4/5] I/OAT: Tighten descriptor setup performance

2007-10-17 Thread Shannon Nelson
The change to the async_tx interface cost this driver some performance by spreading the descriptor setup across several functions, including multiple passes over the new descriptor chain. Here we bring the work back into one primary function and only do one pass. Signed-off-by: Shannon Nelson <[E