> > I'd like to apologize to Ingo, his changes were completely innocent.
> > Problem was triggered by Al's 'block device size cleanups' (currently
> > cset 1.403.160.5 on bkbits).
> >
> > Before this change, my system was using 4KB block size when reading
> > from /dev/hdc1, because of blk_size[][] (which is in 1kB units) of this
> > partition was multiple of 2, and so i_size % 4096 was 0. But after
> > Al's change partition size is read from gendisk, and not from blk_size,
> > and gendisk partition size is in 512 bytes units: and, as you can
> > probably guess, now my partition had i_size % 4096 == 512, and so only
> > 512 byte block size was choosen. And with 512 bytes block size my
> > harddisk refuses to cooperate.
Uh-oh...
Let me see if I got it straight:
a) your disk doesn't work with half-Kb requests
b) you have a partition with odd number of sectors
c) hardsect_size is set to half-Kb
d) old code worked since it rounded size to multiple of kilobyte.
Correct?
-
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/