Re: 2.6.x partition breakage and dual booting

Andries Brouwer
2004-05-30T21:08:04Z

On Sun, May 30, 2004 at 09:47:15PM +0100, viro@parcelfarce.linux.theplanet.co.uk wrote:

> > Clearly, BLKGETSIZE is obsolescent - it should be replaced by
> > BLKGETSIZE64 everywhere. 2^41 B is 2 TB, and some RAIDs are larger.
>
> ITYM "it should be replaced to lseek(fd, SEEK_END, 0) everywhere".

Roughly speaking, I agree (if you change that to lseek(fd, 0, SEEK_END)).

But in practice, now that we have BLKGETSIZE64, that is much more
convenient. How many bits does one get out of lseek? What is the size
of off_t? Is perhaps llseek needed? Or lseek64? Complications.

Andries