From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bombadil.infradead.org ([198.137.202.9]:58058 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752178AbbJMHav (ORCPT ); Tue, 13 Oct 2015 03:30:51 -0400 Date: Tue, 13 Oct 2015 00:30:50 -0700 From: Christoph Hellwig To: Trond Myklebust Cc: "Darrick J. Wong" , Christoph Hellwig , Anna Schumaker , Linux NFS Mailing List , Linux btrfs Developers List , Linux FS-devel Mailing List , Linux API Mailing List , Zach Brown , Alexander Viro , Chris Mason , Michael Kerrisk-manpages , William Andros Adamson Subject: Re: [PATCH v5 8/9] vfs: Add vfs_copy_file_range() support for pagecache copies Message-ID: <20151013073050.GC10794@infradead.org> References: <1443634014-3026-1-git-send-email-Anna.Schumaker@Netapp.com> <1443634014-3026-9-git-send-email-Anna.Schumaker@Netapp.com> <20151011142203.GA31867@infradead.org> <20151012231749.GC11398@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Mon, Oct 12, 2015 at 11:36:31PM -0400, Trond Myklebust wrote: > How is this supposed to be implemented on something like NFS without > protocol changes? Explicit dedup has no chance of working over NFS or other network protocols without protocol changes. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCH v5 8/9] vfs: Add vfs_copy_file_range() support for pagecache copies Date: Tue, 13 Oct 2015 00:30:50 -0700 Message-ID: <20151013073050.GC10794@infradead.org> References: <1443634014-3026-1-git-send-email-Anna.Schumaker@Netapp.com> <1443634014-3026-9-git-send-email-Anna.Schumaker@Netapp.com> <20151011142203.GA31867@infradead.org> <20151012231749.GC11398@birch.djwong.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "Darrick J. Wong" , Christoph Hellwig , Anna Schumaker , Linux NFS Mailing List , Linux btrfs Developers List , Linux FS-devel Mailing List , Linux API Mailing List , Zach Brown , Alexander Viro , Chris Mason , Michael Kerrisk-manpages , William Andros Adamson To: Trond Myklebust Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-nfs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-fsdevel.vger.kernel.org On Mon, Oct 12, 2015 at 11:36:31PM -0400, Trond Myklebust wrote: > How is this supposed to be implemented on something like NFS without > protocol changes? Explicit dedup has no chance of working over NFS or other network protocols without protocol changes. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html