[parted-devel] /dev/mapper patch

[David Cantrell]

Here's the patch for adding /dev/mapper support to libparted.

ioctl() calls are not supported by /dev/mapper devices.  A userspace 
communication layer was created to fill the gap:

	http://sources.redhat.com/dm/

The library that comes out of the device-mapper package is libdevmapper. 
  We use this in parted to read/write on these devices.

This patch is against parted trunk in subversion, but applies to 
1.8.0rc1.  By default, libdevmapper support is disabled, so apply the 
patch and run:

	./autogen.sh
	./configure --enable-device-mapper

If this solves the problem(s) you've been running in to with /dev/mapper 
reading and writing, I'd like to include it in 1.8.0rc2.  You will need 
libdevmapper installed since enabling this feature links libparted with 
libdevmapper.

-- 
David Cantrell
Red Hat / Westford, MA
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