WARNING: This is the _old_ Lustre wiki, and it is in the process of being retired. The information found here is all likely to be out of date. Please search the new wiki for more up to date information.
Architecture - Punch and Extent Migration
Note: The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated information.
punch(inode, start, end, version, flags)
migrate(src_inode, start, end, tgt_inode, offset, version, flags)