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Open Source and information security mailing list archives
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Date: Wed, 15 Jan 2020 12:26:53 -0400 From: Jason Gunthorpe <jgg@...pe.ca> To: Christoph Hellwig <hch@....de> Cc: linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org, Waiman Long <longman@...hat.com>, Peter Zijlstra <peterz@...radead.org>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Will Deacon <will@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>, linux-ext4@...r.kernel.org, cluster-devel@...hat.com, linux-kernel@...r.kernel.org, linux-mm@...ck.org Subject: Re: RFC: hold i_rwsem until aio completes On Wed, Jan 15, 2020 at 04:36:14PM +0100, Christoph Hellwig wrote: > synchronous and currently hack that up, so a version of the percpu_ref > that actually waits for the other references to away like we hacked > up various places seems to exactly suit your requirements. Ah, yes, sounds like a similar goal, many cases I'm thinking about also hack up a kref to trigger a completion to make it synchronous. Jason
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