On Mon, Dec 20, 2010 at 3:29 PM, Chuck Swiger <cswi...@mac.com> wrote: > On Dec 20, 2010, at 3:10 PM, Alexander Best wrote: >> 1) write caching to be turned on and off for individual hdds >> (i.e. hw.ata.X.wc) and >> 2) to be able to turn write chaching on and off on the fly. > > NetBSD's dkctl allows one to enable and disable read or write caches on a > per-device basis, on the fly. Presumably atacontrol or whatever the new ada > / ACHI driver uses for control would be the FreeBSD equivalent....
atacontrol doesn't work with ahci. Some changes to this code should be coming soon, so I don't advise investing too much in hacking the driver for this support (unless you talk to mav@ first)... Thanks, -Garrett _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"