This field is the basis of the errata or release note for this bug. It can also be used for change logs.
The Technical Note template, known as CCFR, is as follows:
A full snapshot cannot be used.
When a snapshot becomes full, it can no longer be accessed.
Make it possible to set a policy of automatic snapshot extension, whenever remaining snapshot space drops below a threshold.
Depending on policy set in lvm.conf, either the snapshot becomes invalidated as before, or it will be, free Volume Group space permitting, extended and continue to function.