Messages in this thread | | | Date | Wed, 10 Mar 2004 21:49:37 +0100 | From | Jens Axboe <> | Subject | Re: [PATCH] backing dev unplugging |
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On Wed, Mar 10 2004, Jesse Barnes wrote: > On Wed, Mar 10, 2004 at 09:20:25PM +0100, Jens Axboe wrote: > > It'll be hard to apply the patch against anything but -mm, since it > > builds (or at least will conflict with) other changes in there. I > > deliberately made a -mm version this time though I usually make -linus > > and adapt if necessary, for Andrew to get some testing on this. > > I tried applying to a BK tree (that was fresh as of a couple of hours > ago), and ignored the dm related changes, and it seemed to work ok after > I fixed up rejects in direct-io.c and blkdev.h (which didn't seem hard, > unless I'm missing something): > > 10 qla2200 fc controllers, 64 cpus, 112 disks > > stock BK tree: ~43945 I/Os per second > w/Jens' patch: ~47149 I/Os per second
Do you have a profile for both runs (what was the work load, btw)?
-- Jens Axboe
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