Re: [LSF/MM TOPIC][ATTEND] Plumbing I/O Cache / Tiered Storage Hints

2014-01-31 Thread Dan Williams
On Tue, Jan 28, 2014 at 2:57 PM, Dan Williams dan.j.willi...@intel.com wrote: In addition to disk drives with internally tiered-storage (solid-state + magnetic media) the kernel has also grown native I/O-caching / tiered-storage implementations in bcache and dm-cache. Currently, all these

Re: [LSF/MM TOPIC][ATTEND] Plumbing I/O Cache / Tiered Storage Hints

2014-01-31 Thread Marc C
Hi, [2] T13 Hybrid Information Feature Correction, the hinting scheme is defined by SATA-IO in SATA 3.2 I, too, would also like to know of the direction for supporting hybrid hinting, since we already have support for SEND/RECV FPDMA queued in the kernel. The new commands were used initially