Initial commit of new ldiskfs module.  This is based on ldiskfs from
b1_6; patches and series files are identical to those found there.

b=12068
i=mjmac
i=brian

Fix whitespace difference that caused patch reject.
b=10651

Fix the nanosecond timestamp patches to declare all of the missing fields
in the kernel patches.
b=10651
i=green
i=kalpak

Use EXT4_ for feature flag instead of EXT3_ to match upstream.
b=10651

i=Andreas Dilger

Description: Addition of nanosecond timestamps.

The nanosecond patches have been added to both the ldiskfs and ldiskfs2 series
 for 2.6.5-sles9, 2.6.9-rhel4, 2.6.16-sles10, and 2.6.18-vanilla.