From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Subject: Re: [PATCH 01/11] block: add support for carrying stream information in a bio To: Christoph Hellwig Cc: linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, adilger@dilger.ca, martin.petersen@oracle.com References: <1497467134-6323-1-git-send-email-axboe@kernel.dk> <1497467134-6323-2-git-send-email-axboe@kernel.dk> <20170614203759.GA14953@infradead.org> From: Jens Axboe Message-ID: <5691b9ed-8dec-2e4e-b92a-90e5f487554e@kernel.dk> Date: Wed, 14 Jun 2017 14:44:00 -0600 MIME-Version: 1.0 In-Reply-To: <20170614203759.GA14953@infradead.org> Content-Type: text/plain; charset=utf-8 List-ID: On 06/14/2017 02:37 PM, Christoph Hellwig wrote: > Btw, I think these could also easily map to DSM field in the NVMe > write command, except that these unfortunately mix in read information > as well. But that's the problem, they are read/write mixed flags. I'd much rather keep them separate. If some application finds it useful to specify read access patterns, we should have separate flags for those imho. -- Jens Axboe