Return-Path: Received: from mail-io1-f65.google.com ([209.85.166.65]:43380 "EHLO mail-io1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726041AbeLGTf2 (ORCPT ); Fri, 7 Dec 2018 14:35:28 -0500 Received: by mail-io1-f65.google.com with SMTP id f10so4139206iop.10 for ; Fri, 07 Dec 2018 11:35:27 -0800 (PST) Subject: Re: [PATCHSET v5] Support for polled aio To: Jeff Moyer Cc: linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-aio@kvack.org, hch@lst.de References: <20181204233729.26776-1-axboe@kernel.dk> <4bf3dfe4-b157-88b6-f9a3-60ad1f76328a@kernel.dk> <9747f14b-8361-08c0-5a1f-d4f26509083e@kernel.dk> From: Jens Axboe Message-ID: <650ef685-0727-aaf4-aff5-adf11c06f3fa@kernel.dk> Date: Fri, 7 Dec 2018 12:35:25 -0700 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On 12/7/18 12:34 PM, Jeff Moyer wrote: > Jens Axboe writes: > >> BTW, quick guess is that it doesn't work so well with fixed buffers, as that >> hasn't been tested. You could try and remove IOCTX_FLAG_FIXEDBUFS from the >> test program and see if that works. > > That results in a NULL pointer dereference. I'll stick to block device > testing for now. :) Good plan :-) -- Jens Axboe