Date: Tue, 13 May 1997 13:49:24 -0500 (EST) From: "John S. Dyson" <toor@dyson.iquest.net> To: joerg_wunsch@interface-business.de Cc: freebsd-current@FreeBSD.ORG Subject: Re: Big problem with b_blkno Message-ID: <199705131849.NAA02084@dyson.iquest.net> In-Reply-To: <19970513192351.KJ04154@ida.interface-business.de> from J Wunsch at "May 13, 97 07:23:51 pm"
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> As Doug Rabson wrote: > > > NFS' use of b_blkno is about as bogus as it gets. Have a look at > > nfs_bmap for instance. Actually, I think vfs_bio.c's habit of comparing > > b_blkno to b_lblkno to decide whether it has called VOP_BMAP yet should > > rank pretty highly on the bogus usage stakes. > > :-) > > Anyway, that doesn't bring us a single step further towards a solution > of the original problem... We simply can't live any longer with > b_blkno being counted in terms of any predefined blocksiz. > I like the idea of the b_offset thing. (I hate the idea of 64 bits though, but them's the breaks.) John
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