RE: [Linux-nvdimm] [PATCH v2 18/20] libnd: infrastructure for btt devices

2015-05-14 Thread Elliott, Robert (Server Storage)
bject: Re: [Linux-nvdimm] [PATCH v2 18/20] libnd: infrastructure for > btt devices > ... > So we can fix this to be at least as stable as the backing device > names [1], but as far as I can see we would need to start using the > backing device name in the btt device name.

Re: [Linux-nvdimm] [PATCH v2 18/20] libnd: infrastructure for btt devices

2015-05-14 Thread Dan Williams
On Tue, May 12, 2015 at 9:33 AM, Toshi Kani wrote: > On Tue, 2015-04-28 at 14:25 -0400, Dan Williams wrote: >> Block devices from an nd bus, in addition to accepting "struct bio" >> based requests, also have the capability to perform byte-aligned >> accesses. By default only the bio/block

Re: [Linux-nvdimm] [PATCH v2 18/20] libnd: infrastructure for btt devices

2015-05-14 Thread Dan Williams
On Tue, May 12, 2015 at 9:33 AM, Toshi Kani toshi.k...@hp.com wrote: On Tue, 2015-04-28 at 14:25 -0400, Dan Williams wrote: Block devices from an nd bus, in addition to accepting struct bio based requests, also have the capability to perform byte-aligned accesses. By default only the

RE: [Linux-nvdimm] [PATCH v2 18/20] libnd: infrastructure for btt devices

2015-05-14 Thread Elliott, Robert (Server Storage)
v2 18/20] libnd: infrastructure for btt devices ... So we can fix this to be at least as stable as the backing device names [1], but as far as I can see we would need to start using the backing device name in the btt device name. A strawman proposal is to append 's' to indicated 'sectored

Re: [Linux-nvdimm] [PATCH v2 18/20] libnd: infrastructure for btt devices

2015-05-12 Thread Toshi Kani
On Tue, 2015-04-28 at 14:25 -0400, Dan Williams wrote: > Block devices from an nd bus, in addition to accepting "struct bio" > based requests, also have the capability to perform byte-aligned > accesses. By default only the bio/block interface is used. However, if > another driver can make

Re: [Linux-nvdimm] [PATCH v2 18/20] libnd: infrastructure for btt devices

2015-05-12 Thread Toshi Kani
On Tue, 2015-04-28 at 14:25 -0400, Dan Williams wrote: Block devices from an nd bus, in addition to accepting struct bio based requests, also have the capability to perform byte-aligned accesses. By default only the bio/block interface is used. However, if another driver can make effective

[PATCH v2 18/20] libnd: infrastructure for btt devices

2015-04-28 Thread Dan Williams
Block devices from an nd bus, in addition to accepting "struct bio" based requests, also have the capability to perform byte-aligned accesses. By default only the bio/block interface is used. However, if another driver can make effective use of the byte-aligned capability it can claim/disable

[PATCH v2 18/20] libnd: infrastructure for btt devices

2015-04-28 Thread Dan Williams
Block devices from an nd bus, in addition to accepting struct bio based requests, also have the capability to perform byte-aligned accesses. By default only the bio/block interface is used. However, if another driver can make effective use of the byte-aligned capability it can claim/disable the