From mboxrd@z Thu Jan 1 00:00:00 1970 From: Liu Bo Subject: Re: [PATCH 04/24] fs: Provide infrastructure for dynamic BDIs in filesystems Date: Fri, 3 Feb 2017 10:31:56 -0800 Message-ID: <20170203183155.GA30842@localhost.localdomain> References: <20170202173422.3240-1-jack@suse.cz> <20170202173422.3240-5-jack@suse.cz> <20170202192827.GF6550@localhost.localdomain> <20170203135042.GB5844@quack2.suse.cz> Reply-To: bo.li.liu@oracle.com Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20170203135042.GB5844@quack2.suse.cz> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-mtd" Errors-To: linux-mtd-bounces+gldm-linux-mtd-36=gmane.org@lists.infradead.org To: Jan Kara Cc: codalist@TELEMANN.coda.cs.cmu.edu, linux-block@vger.kernel.org, linux-nfs@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-cifs@vger.kernel.org, ecryptfs@vger.kernel.org, Christoph Hellwig , cluster-devel@redhat.com, linux-mtd@lists.infradead.org, osd-dev@open-osd.org, linux-fsdevel@vger.kernel.org, v9fs-developer@lists.sourceforge.net, ceph-devel@vger.kernel.org, Petr Vandrovec , linux-afs@lists.infradead.org, linux-btrfs@vger.kernel.org, lustre-devel@lists.lustre.org On Fri, Feb 03, 2017 at 02:50:42PM +0100, Jan Kara wrote: > On Thu 02-02-17 11:28:27, Liu Bo wrote: > > Hi, > > > > On Thu, Feb 02, 2017 at 06:34:02PM +0100, Jan Kara wrote: > > > Provide helper functions for setting up dynamically allocated > > > backing_dev_info structures for filesystems and cleaning them up on > > > superblock destruction. > > > > Just one concern, will this cause problems for multiple superblock cases > > like nfs with nosharecache? > > Can you ellaborate a bit? I've looked for a while what nfs with > nosharecache does but I didn't see how it would influence anything with > bdis... Oh, I missed that bdi_seq was static, then it should be fine. (I was worried about that nfs with nosharecache would have multiple superblocks and if each superblock has a bdi using the same bdi name, nfs-xx.) Thanks for the reply. Thanks, -liubo ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/