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Date: Mon, 10 Nov 2008 14:35:22 +0000 From: Alasdair G Kergon <agk@...hat.com> To: Peter Zijlstra <peterz@...radead.org> Cc: Mikulas Patocka <mpatocka@...hat.com>, Christoph Hellwig <hch@...radead.org>, Chandra Seetharaman <sekharan@...ibm.com>, dm-devel <dm-devel@...hat.com>, linux-kernel@...r.kernel.org, axboe@...nel.dk Subject: Re: Queue upcall locking (was: [dm-devel] [RFC][PATCH] fix dm_any_congested() to properly sync up with suspend code path) On Mon, Nov 10, 2008 at 03:26:50PM +0100, Peter Zijlstra wrote: > Fix the infrastructure by adding a function call so that you can have > the individual devices report their congestion state to the aggregate. Which requires knowing/accessing some device hierarchy, which would be nice for other things too (like propagation of notification of changes to device properties such as size, hardsect size etc.). Alasdair -- agk@...hat.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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