Messages in this thread | | | Date | Wed, 10 Mar 2004 12:45:32 -0800 | Subject | Re: [PATCH] backing dev unplugging | From | (Jesse Barnes) |
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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
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