-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 12/20/10 15:10, Alexander Best wrote: > hi there, > > i'd really like to see > > 1) write caching to be turned on and off for individual hdds > (i.e. hw.ata.X.wc) and
This is possible. We may need to split the logic out from ad_init() as the disk number is not known at that point if I understood the code correctly. > 2) to be able to turn write chaching on and off on the fly. If I understand the code correctly, this is merely issuing a SETFEATURE at runtime and *should* be possible. The problem is atacontrol(8) does not offer a way to issue the command directly as camcontrol(8) do. > any thoughts on these two topics? is it technically possible? > > cheers. > alex > - -- Xin LI <delp...@delphij.net> http://www.delphij.net/ FreeBSD - The Power to Serve! Live free or die -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.16 (FreeBSD) iQEcBAEBCAAGBQJND+bpAAoJEATO+BI/yjfBi3oH/RbzpLEDhDGj3cwvGZtNi6gx YuwWK77ybbJfm5OX1KAaBHMr954+8G9syiHzxamRwKSCsSooh9gdNL/ZUFFym9ay gsGDslkNINCOu19Cyd3F9SLiN+wym22siFJqakMf1yiZqrC7qxwOee42erwRnN9C +rbF25SWjNx+Y/BeCu+H9qwnzYZ719d2bNIA7DSgaOOcUUh+OQdKxt3JykEeUKpi mrEZ5NFxyuSDMkFenY0o1Zj3dH7y2s2o8Y3iJ/dxPWZHjL+Z/CZqMvNHu4eZzOa6 2XasZSgf1tvyGnkPJEbo+ClZny3wfKXm6lwChmtCz1wF1zv1sSCW/uqzjeBC0T8= =IOBO -----END PGP SIGNATURE----- _______________________________________________ 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"
