On Dec 2, 2013, at 9:27, Sebastian Feld <sebastian.n.feld@xxxxxxxxx> wrote: > On Mon, Dec 2, 2013 at 2:29 PM, Trond Myklebust > <trond.myklebust@xxxxxxxxxxxxxxx> wrote: >> >> On Dec 2, 2013, at 7:13, Joshuah Hurst <joshhurst@xxxxxxxxx> wrote: >> >>> We need to access NFSv4 Alternate Data Streams (what Solaris, >>> NexentaOS, Omnios and SmartOS can openat() with the O_XATTR flag) from >>> a (Suse) Linux client. >>> >>> OS is Suse Linux 12.3, x86-64, 64bit >>> >>> Does anyone know how to archive this? >> >> Why can’t you access Solaris-specific extensions from a Solaris client? > > This isn't a Solaris-specific extension, its part of the original Sun > NFSv4 spec. Unfortunately the ARC/ARchitecture Cases from > Opensolaris.org are no longer available, otherwise the background, > e.g. feature parity with CIFS/NTFS, and the overall usefulness of such > a feature, would be clearer. The open(O_XATTR) _is_ a Solaris specific extension. It isn’t something that we have been planning to support on Linux. > There are many many applications coming from either the Windows world > or the HPC camp (like nih.org or GE Healthcare) who mandatory rely on > the existence of this feature (well, at least enough so that AT&T > cloud services and the related toolchain (e.g. AST, including ksh93) > now have extensive support for O_XATTR). What do they use it for? Last I heard, Microsoft was deprecating the use of streams. I’m assuming that means they plan to get rid of it. Cheers Trond-- 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
