Re: [RFC 1/2] target: Add documentation on the target userspace pass-through driver

2014-09-02 Thread Andy Grover
On 08/31/2014 02:22 PM, Richard W.M. Jones wrote: Reading this several times, I now think I get what it's trying to say, but I think it needs to introduces the terms (as the Economist style does). Something like this: TCM is the new name for LIO, an in-kernel iSCSI target (server).

Re: [RFC 1/2] target: Add documentation on the target userspace pass-through driver

2014-08-31 Thread Andy Grover
On 08/30/2014 10:35 AM, Richard W.M. Jones wrote: On Tue, Jul 01, 2014 at 12:11:14PM -0700, Andy Grover wrote: Describes the driver and its interface to make it possible for user programs to back a LIO-exported LUN. Signed-off-by: Andy Grover agro...@redhat.com ---

Re: [RFC 1/2] target: Add documentation on the target userspace pass-through driver

2014-08-31 Thread Richard W.M. Jones
On Sun, Aug 31, 2014 at 12:49:26PM -0700, Andy Grover wrote: Thanks for the feedback. I am undoubtedly too close to the details, because I thought I *was* explaining things :) Yeah, sorry it came across as a bit harsh. Benoit did explain it to me so I understood it in the end (I think!) This

Re: [RFC 1/2] target: Add documentation on the target userspace pass-through driver

2014-08-30 Thread Richard W.M. Jones
On Tue, Jul 01, 2014 at 12:11:14PM -0700, Andy Grover wrote: Describes the driver and its interface to make it possible for user programs to back a LIO-exported LUN. Signed-off-by: Andy Grover agro...@redhat.com --- Documentation/target/tcmu-design.txt | 210

Re: [RFC 1/2] target: Add documentation on the target userspace pass-through driver

2014-07-08 Thread Andy Grover
[re-adding individual CCs that were dropped] On 07/05/2014 04:29 AM, Alex Elsayed wrote: +Device Discovery: + +Other devices may be using UIO besides TCMU. Unrelated user processes +may also be handling different sets of TCMU devices. TCMU userspace +processes must find their devices by

Re: [RFC 1/2] target: Add documentation on the target userspace pass-through driver

2014-07-05 Thread Alex Elsayed
Reply inline, with a good bit of snipping done (posting via gmane, so quote/content ratio is an issue). Andy Grover wrote: +These backstores cover the most common use cases, but not all. One new +use case that other non-kernel target solutions, such as tgt, are able +to support is using

[RFC 1/2] target: Add documentation on the target userspace pass-through driver

2014-07-01 Thread Andy Grover
Describes the driver and its interface to make it possible for user programs to back a LIO-exported LUN. Signed-off-by: Andy Grover agro...@redhat.com --- Documentation/target/tcmu-design.txt | 210 +++ 1 file changed, 210 insertions(+) create mode 100644