From: wolff@zen.et.tudelft.nl (Rogier Wolff) Subject: Re: Floppy DMA, question and patch (?) Date: Tue, 15 Dec 1992 21:40:55 GMT
torvalds@klaava.Helsinki.FI (Linus Torvalds) writes:
>like some SCSI cards which use DMA). So changing the limit to 16MB
>should work fine. Not that it probably matters very much: 99% of the
>floppy IO reads go through the track buffer, and writes aren't exactly
>timing-critical in most circumstances..
> Linus
The 1% that doesn't go through the track buffer are the blocks that
surround an unreadable block. And as I use Linux to recover from
"destroyed" blocks, that would make things ever worse: Around a bad
block I'd get good readable (recoverable) data, but not in my buffer....
Roger.
-- **** a 486 in V86 mode is like a VW buggy with a 6 litre V12 motor. **** EMail: wolff@duteca.et.tudelft.nl ** Tel +31-15-783644 or +31-15-142371