Re: Some plans for scsi_cmnd

2007-09-29 Thread Matthew Wilcox
On Fri, Sep 28, 2007 at 04:15:56PM -0600, Moore, Eric wrote: On Tuesday, September 25, 2007 7:38 AM, Matthew Wilcox wrote: As I said, it's ambitious. But it'll let us get rid of scsi_pointer and host_scribble entirely. Are you serious about removing the host_scribble? In fusion we

RE: Some plans for scsi_cmnd

2007-09-28 Thread Moore, Eric
On Tuesday, September 25, 2007 7:38 AM, Matthew Wilcox wrote: As I said, it's ambitious. But it'll let us get rid of scsi_pointer and host_scribble entirely. Are you serious about removing the host_scribble? In fusion we currently are hanging our per request message frame pointer

Some plans for scsi_cmnd

2007-09-25 Thread Matthew Wilcox
Christoph grabbed me on IRC and we debated some of my plans for scsi_cmnd; with his permission I'm summarising the result of that debate for posterity. There's four main things discussed: 1. I'm going to be writing and posting patches over the next week or so to kill all the (ab)uses of

Re: Some plans for scsi_cmnd

2007-09-25 Thread Christoph Hellwig
On Tue, Sep 25, 2007 at 07:37:33AM -0600, Matthew Wilcox wrote: 2. Thanks to a thinko, we also discussed the upper-layer -done. We think it should be feasible to move this from the scsi_cmnd to the scsi_device since sg doesn't use it. I suspect putting it into the scsi_driver would be even

Re: Some plans for scsi_cmnd

2007-09-25 Thread Matthew Wilcox
On Tue, Sep 25, 2007 at 02:47:50PM +0100, Christoph Hellwig wrote: On Tue, Sep 25, 2007 at 07:37:33AM -0600, Matthew Wilcox wrote: 2. Thanks to a thinko, we also discussed the upper-layer -done. We think it should be feasible to move this from the scsi_cmnd to the scsi_device since sg

Re: Some plans for scsi_cmnd

2007-09-25 Thread Boaz Harrosh
On Tue, Sep 25 2007 at 15:37 +0200, Matthew Wilcox [EMAIL PROTECTED] wrote: Christoph grabbed me on IRC and we debated some of my plans for scsi_cmnd; with his permission I'm summarising the result of that debate for posterity. There's four main things discussed: 1. I'm going to be writing

Re: Some plans for scsi_cmnd

2007-09-25 Thread Matthew Wilcox
On Tue, Sep 25, 2007 at 04:51:06PM +0200, Boaz Harrosh wrote: As I said, it's ambitious. But it'll let us get rid of scsi_pointer and host_scribble entirely. This all is an excellent idea and you will find that in the patchset to gdth, I have made the work of one driver a bit easier for