Re: remove exofs, the T10 OSD code and block/scsi bidi support V4

From: Christoph Hellwig
Date: Tue Feb 05 2019 - 12:16:33 EST

On Mon, Feb 04, 2019 at 10:31:39PM +0200, Boaz Harrosh wrote:
> On 01/02/19 09:55, Christoph Hellwig wrote:
> > The only real user of the T10 OSD protocol, the pNFS object layout
> > driver never went to the point of having shipping products, and we
> > removed it 1.5 years ago. Exofs is just a simple example without
> > real life users.
> >
> > The code has been mostly unmaintained for years and is getting in the
> > way of block / SCSI changes,
> For the 4th time: Which ?

Speeding up the I/O path for example. Making sense of SCSI
command allocation for another. Having to deal with sense data
handling for the duplicate scsi command allocation as a third.