Messages in this thread | | | Date | Mon, 19 Oct 2009 13:01:15 -0400 | From | Christoph Hellwig <> | Subject | Re: [Bug #14141] order 2 page allocation failures in iwlagn |
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On Tue, Oct 20, 2009 at 01:18:15AM +0900, Chris Mason wrote: > Waiting doesn't make it synchronous from the elevator point of view ;) > If you're using WB_SYNC_NONE, it's a async write. WB_SYNC_ALL makes it > a sync write. I only see WB_SYNC_NONE in vmscan.c, so we should be > using the async congestion wait. (the exception is xfs which always > does async writes).
That's only because those people who did the global sweep did not bother to convert it or even tell the list about it. I have a patch in my QA queue to change it..
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