Messages in this thread |  | | | Date | Tue, 11 Nov 2003 17:14:30 -0800 (PST) | | From | Linus Torvalds <> | | Subject | Re: 2.9test9-mm1 and DAO ATAPI cd-burning corrupt |
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On Wed, 12 Nov 2003, Pascal Schmidt wrote: > > My guess would be that an MO drive needs a different way to find out > the capacity than a CD-ROM. After all, when using ide-scsi, it is the > sd driver and not sr that handles the drive. The rest of the problems > could be due to the wrong capacity information?
Yes. That would explain a lot.
The ide-scsi thing never uses "cdrom_get_last_written" crud. It just uses the regular READ_CAPACITY command (0x25).
Which is what ide-cd.c will fall back to as well ("cdrom_read_capacity()") but I think it should _start_ with that rather than fall back on it. That's the simple case, after all.
Does it work if you change the order of those two things in ide-cd.c (or just remove the call to "cdrom_get_last_written()" entirely, so that it always just does the sane thing).
Linus
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