From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCHSET block#for-2.6.36-post] block: replace barrier with sequenced flush Date: Wed, 18 Aug 2010 11:46:20 +0200 Message-ID: <20100818094620.GA14707@lst.de> References: <1281616891-5691-1-git-send-email-tj@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1281616891-5691-1-git-send-email-tj@kernel.org> Sender: linux-ide-owner@vger.kernel.org To: Tejun Heo Cc: jaxboe@fusionio.com, linux-fsdevel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org, hch@lst.de, James.Bottomley@suse.de, tytso@mit.edu, chris.mason@oracle.com, swhiteho@redhat.com, konishi.ryusuke@lab.ntt.co.jp, dm-devel@redhat.com, vst@vlnb.net, jack@suse.cz, rwheeler@redhat.com, hare@suse.de List-Id: linux-raid.ids FYI: One issue with this series is that make_request based drivers not have to access all REQ_FLUSH and REQ_FUA requests. We'll either need to add handling to empty REQ_FLUSH requests to all of them or figure out a way to prevent them getting sent. That is assuming they'll simply ignore REQ_FLUSH/REQ_FUA on normal writes.