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Re: recheck for new partition without reboot?

On Sun, 3 Feb 2002 04:42, Nathan E Norman wrote:
> On Sat, Feb 02, 2002 at 02:02:31PM +0100, Marcin Owsiany wrote:
> > On Fri, Feb 01, 2002 at 06:09:15PM -0800, Jeremy C. Reed wrote:
> > > I added a new partition (/dev/sda8). (Other partitions were already in
> > > use.)
> > >
> > > Is there any tool or kernel module to recognize this device without
> > > rebooting?
> >
> > I guess cfdisk calls some ioctls to force kernel to reread the new
> > partition table after writing it...
> It does; however IIRC the ioctl call results in a successful reread of
> the partition table only if none of the other partitions on that drive
> are currently mounted.
> Since the OP says other partitions were in use, I assume he means they
> were mounted.  I'm afraid in this case a reboot is called for, though
> I'd love to hear otherwise.

It's in the kernel.

It's not just mounted file systems, it's any open handle to the device.

The code can be changed, and the relevant people are willing to accept such a 
patch if it's supplied...

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