Synnefo » snf-ganeti

Add precise to build_chroot

Modify the build_chroot script to support Ubuntu Precise as a target
environment.

Signed-off-by: Michele Tartara <mtartara@google.com>
Reviewed-by: Helga Velroyen <helgav@google.com>

Document restrictions on lock implication

As owning a group lock has the same effect as owning a
group of locks, some restrictions have to be added to
to avoid dead locks. Document them.

Signed-off-by: Klaus Aehlig <aehlig@google.com>
Reviewed-by: Helga Velroyen <helgav@google.com>

Add a test verifying that lock-implication is honored

Locks can be included in one another. This inclusion can be violated
in two ways, viz.,
- A holds a lock L and B holds an exclusive lock L belongs to, and
- A holds an exclusive lock and B holds a lock L belongs to....

Verify that every owner mentioned as blocking actually is

If a request is blocked by multiple lock owners, verify that each
single one of them actually blocks the request. In other words,
verify that, whenever all but one release their lock, the request
still does not succeed....

Add a convenience function to free all locks of an owner

While freeing all locks of a single owner can easily be defined
out of listLocks and updateLocks, it is worth having this function
in its own right. For example, it will be needed when the death of...