From: Yehuda Sadeh Weinraub Subject: Re: ceph and ext4 Date: Tue, 15 Nov 2011 10:43:58 -0800 Message-ID: References: <4EC10664.1080501@tuxadero.com> <20111115142246.GA7516@thunk.org> <246EA1CC-3C33-4D41-80C0-2331C426EBB0@whamcloud.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Cc: Andreas Dilger , Christian Brunner , Martin Mailand , "ceph-devel@vger.kernel.org" , "linux-ext4@vger.kernel.org" , Jian Yu To: "Ted Ts'o" Return-path: In-Reply-To: <246EA1CC-3C33-4D41-80C0-2331C426EBB0@whamcloud.com> Sender: ceph-devel-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org On Tue, Nov 15, 2011 at 8:43 AM, Andreas Dilger wrote: > Coincidentally, we have someone working in those patches again. The main obstacle for accepting the previous patch as-is was that Ted wanted to add support for "medium-sized" xattrs that are addressed as a string of blocks, instead of via an inode. > > This will allow xattrs up to 64kB in size (in total) to be stored as efficiently as an external xattr block. > Ted, is having that is a hard requirement? Can this functionality/optimization be added later so that we can leverage ext4 in the mean time, even if not in the most optimal way? Thanks, Yehuda