Re: Persistent Reservation API V2

2015-08-21 Thread Christoph Hellwig
On Thu, Aug 20, 2015 at 11:56:36PM +, Keith Busch wrote: > NVMe can also specify > if whether or not a reservation should persist through power-loss. SCSI does as well, it's the APTPL flag. However reservations not persistent through a power loss are basically useless, so I decided to force

Re: Persistent Reservation API V2

2015-08-20 Thread Keith Busch
On Tue, 11 Aug 2015, Christoph Hellwig wrote: This series adds support for a simplified Persistent Reservation API to the block layer. The intent is that both in-kernel and userspace consumers can use the API instead of having to hand craft SCSI or NVMe command through the various pass through i

Re: Persistent Reservation API V2

2015-08-18 Thread Jens Axboe
On 08/17/2015 01:13 PM, Christoph Hellwig wrote: Does this look fine to you Jens? I'd love to get this API into 4.3 so I can submit the NFS SCSI layout patches that depend on it for 4.4. I'll take a look at this today. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscri

Re: Persistent Reservation API V2

2015-08-17 Thread Christoph Hellwig
Does this look fine to you Jens? I'd love to get this API into 4.3 so I can submit the NFS SCSI layout patches that depend on it for 4.4. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vg

Persistent Reservation API V2

2015-08-11 Thread Christoph Hellwig
This series adds support for a simplified Persistent Reservation API to the block layer. The intent is that both in-kernel and userspace consumers can use the API instead of having to hand craft SCSI or NVMe command through the various pass through interfaces. It also adds DM support as getting r