Re: Rereading the Partition Table (ioctl BLKRRPART)

[Andreas Dilger]

On Oct 20, 2003  11:38 -0400, Calin A. Culianu wrote:
> Anyhow, in my quest to keep my uptime as high as possible, I was wondering
> how feasible it would be to make the BLKRRPART ioctl a little more
> flexible, so that in some cases a reboot wouldn't be required.
> 
> Well, what do you guys think?  I am tempted to just hack the sources now
> to get this working for myself, but before I start I am afraid maybe the
> situation isn't quite so simple... or there might be something I am
> overlooking.  Can someone with more experience in the kernel share their
> thoughts on this?

It already exists, and newer partition editors already support this.  I
think parted and partx will use the new partition ioctls to change the
kernel's partition table without a reboot.  Sadly, no documentation on
how to use partx.

Cheers, Andreas
--
Andreas Dilger
http://sourceforge.net/projects/ext2resize/
http://www-mddsp.enel.ucalgary.ca/People/adilger/

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