Hi, We are prepared to contribute a draft implementation of -something-, and have planned to do so. We're currently working on Ganesha support. I have assumed that what we would implement is mapping of from user xattr to current nfsv4 named attributes. Matt ----- "Ric Wheeler" <rwheeler@xxxxxxxxxx> wrote: > On 10/28/2013 01:49 PM, Myklebust, Trond wrote: > > On Oct 28, 2013, at 12:15 PM, Christoph Anton Mitterer > <calestyo@xxxxxxxxxxxx> wrote: > > > >> On Mon, 2013-10-28 at 11:40 -0400, Ric Wheeler wrote: > >>> Then you end up with large directories and an extra name per inode > that needs to > >>> be stored and extra lookups for each file when you do a whole file > system crawl. > >>> > >>> Certainly not as easy as adding and xattrs with that information > :) > >> And I think there's another reason why it wouldn't work... > >> > >> Imagine I change my system to encode what should be XATTRs in > hardlink > >> pseudo files... > >> > >> If I have such pair locally e.g. on my ext4: > >> /foo/bar/actual/file > >> /meta/<SHA512 identifier>.2342348324 > >> > >> And now move/copy the file via the network to the archive, I'd have > to > >> copy both files (which is really annoying), and I'd guess the > inode > >> coupling would get los (and at least the name wouldn't fit > anymore). > >> > >> So the whole thing is IMHO not even a workaround. > > OK. So you're going to do XATTRs for us? > > > > Trond > > Now that pNFS is perfect and labeled NFS has made it upstream, I think > that > Steve D must be looking for something to keep him busy :) > > ric > > -- > To unsubscribe from this list: send the line "unsubscribe linux-nfs" > in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Matt Benjamin The Linux Box 206 South Fifth Ave. Suite 150 Ann Arbor, MI 48104 http://linuxbox.com tel. 734-761-4689 fax. 734-769-8938 cel. 734-216-5309 -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html