Date: Fri, 08 Apr 2011 13:53:54 +0300 From: Alexander Motin <mav@FreeBSD.org> To: Alexander Best <arundel@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r220412 - in head: share/man/man4 sys/cam/ata Message-ID: <4D9EE942.6080003@FreeBSD.org> In-Reply-To: <20110407190318.GA97508@freebsd.org> References: <201104070817.p378HrHc033571@svn.freebsd.org> <20110407190318.GA97508@freebsd.org>
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On 07.04.2011 22:03, Alexander Best wrote: > On Thu Apr 7 11, Alexander Motin wrote: >> Author: mav >> Date: Thu Apr 7 08:17:53 2011 >> New Revision: 220412 >> URL: http://svn.freebsd.org/changeset/base/220412 >> >> Log: >> Make ada(4) driver to control device write cache, same as ata(4) does. >> Add kern.cam.ada.write_cache sysctl/tunable to control it alike hw.ata.wc. > > how hard would it be to support per device sysctls/tunables? i'd really like to > do: > > kern.cam.ada.0.write_cache=0 (root fs) > kern.cam.ada.1.write_cache=1 (/usr, /var, etc.) Not really hard. I'll do it now. -- Alexander Motin
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