Re: BLKBSZSET still not working on 2.4.18 ?

[John Bradford]

> > I'm trying to backup a partition on an IDE drive which has an odd number 
> > of sectors (204939). With a stock open/read you cannot access the last 
> > sector, and that why I tried the BLKBSZSET ioctl to set the basic read 
> > block size to 512 bytes. I verified the writen value with BLKBSZGET 
> > ioctl, but I still cannot read this last sector !
> 
> Its a known 2.4 limitation. The last odd sector isnt normally used by
> anything so it has never been a big issue (except with EFI partition
> data).

Didn't some really obscure IBM drives use it for something internally,
and shortly after everybody else had to stop using it incase they
overwrote the custom data at the end of an IBM disk, or am I thinking
of something else?

John.