Messages in this thread |  | | | From | "Kenneth Chen" <> | | Subject | RE: [PATCH] backing dev unplugging | | Date | Wed, 10 Mar 2004 12:03:52 -0800 |
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Andrew Morton wrote on Wednesday, March 10, 2004 11:56 AM > Jens Axboe <axboe@suse.de> wrote: > > > > Here's a first cut at killing global plugging of block devices to reduce > > the nasty contention blk_plug_lock caused. This introduceds per-queue > > plugging, controlled by the backing_dev_info. > > This is such an improvement over what we have now it isn't funny. > > Ken, the next -mm is starting to look like linux-3.1.0 so I think it > would be best if you could benchmark Jens's patch against 2.6.4-rc2-mm1.
I'm planning on couple experiments: one is just Jens's change on top of what we have so we can validate the backing dev unplug. Then we will run 2.6.4-rc2-mm1 + Jens's patch.
- Ken
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