Messages in this thread | | | Date | Tue, 6 May 2003 20:04:08 +0200 | From | Jens Axboe <> | Subject | Re: [IDE] trying to make MO drive work with ide-floppy/ide-cd |
| |
On Tue, May 06 2003, Pascal Schmidt wrote: > On Tue, 6 May 2003, Jens Axboe wrote: > > > You can play with the c code, you've demonstrated that much so far. So > > play some more, find out which commands are aborted and why. The log > > messages even tell you which ones. Now find out if these are necessary > > for proper MO functionality or not. Or maybe some vital commands are > > even missing, lots of fun there :). But it really should not be very > > hard. > > Ok, I got a little bit further with the patch below. I can mount to disk > read-write and do a few things: > > $ mount -t ext2 /dev/hde /mnt/mo > $ echo "foo" > /mnt/mo/bar > $ cat /mnt/mo/bar > foo > $ sync > > No problem so far. But then > > $ umount /mnt/mo > > gets me: > > ------------[ cut here ]------------ > kernel BUG at fs/buffer.c:2607!
Not good. Does it work correctly with 2kb block size? I would not be surprised if ide-cd had multi page bio bugs...
> My patch:
Not bad, see that wasn't so hard. Does it load ide-cd without errors with this one?
-- Jens Axboe
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |