Date: Wed, 14 May 1997 14:30:31 +1000 From: Bruce Evans <bde@zeta.org.au> To: freebsd-current@FreeBSD.ORG, j@ida.interface-business.de Cc: jmz@cabri.obs-besancon.fr Subject: Re: Big problem with b_blkno Message-ID: <199705140430.OAA28175@godzilla.zeta.org.au>
next in thread | raw e-mail | index | archive | help
>Extract from physio(): > > bp->b_blkno = btodb(uio->uio_offset); > >This block number is being passed down to the strategy routine of the >block device drivers. No uio_offset itself is being passed down >whatsoever. This is nonsense. Actually, this is for character device drivers that use physio() (usually via rawread() or rawwrite()). It doesn't affect drivers that use copyin/out() or uiomove() directly. Bruce
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199705140430.OAA28175>