tree 661c54b1c0e45b1f8bdd56c86a9564887c9ec069
parent 601b515c5dcc00fa71148cd9d2405ea1f70bc9cd
author Goldwyn Rodrigues <rgoldwyn@suse.com> 1402123491 -0500
committer Goldwyn Rodrigues <rgoldwyn@suse.com> 1424707146 -0600

metadata_update sends message to other nodes

   - request to send a message
   - make changes to superblock
   - send messages telling everyone that the superblock has changed
   - other nodes all read the superblock
   - other nodes all ack the messages
   - updating node release the "I'm sending a message" resource.

Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>