Date: Sat, 17 Mar 2012 12:37:20 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Grzegorz Bernacki <gjb@semihalf.com> Cc: svn-src-projects@freebsd.org, Grzegorz Bernacki <gber@freebsd.org>, Pawel Jakub Dawidek <pjd@freebsd.org>, src-committers@freebsd.org Subject: Re: svn commit: r233073 - projects/nand/sys/geom Message-ID: <CAJ-VmomB_a9LfgmA-p1Zv7Sa%2BLdXZMo6=qSkKSPqCRWDNSDMOA@mail.gmail.com> In-Reply-To: <4F64D357.6080104@semihalf.com> References: <201203170323.q2H3NDCs048073@svn.freebsd.org> <20120317085609.GD1340@garage.freebsd.pl> <4F64D357.6080104@semihalf.com>
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Hiya, If you're going to add new BIOs, can I possibly request we add a "BIO_WRITE" variant for NOR flash, that can be interpreted as "don't do a read-modify-write, but simply write over whatever the underlying storage device has" ? That way NOR flash filesystems can do incremental writes of pages without having to do a read/erase/modify/write pass, where the erase is very very expensive. Thanks, Adrian
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