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

Re: [PATCH RESEND 0/1] AHCI: Optimize interrupt processing

2013-07-30 Thread Marc C
One thing which would probably be worthwhile tho is getting rid of the bitmap based qc tag allocator in libata. That one is just borderline stupid to keep around on any setup which is supposed to be scalable. Your border might be wider than mine :-). Yes, the bitmap should definitely go. A