On 01/03/2013 02:53 PM, Alex Elder wrote:
The rbd_device-exists field can be updated asynchronously, changing
from set to clear if a mapped snapshot disappears from the base
image's snapshot context.
Currently, value of the exists flag is only read and modified
under protection of the header
The rbd_device-exists field can be updated asynchronously, changing
from set to clear if a mapped snapshot disappears from the base
image's snapshot context.
Currently, value of the exists flag is only read and modified
under protection of the header semaphore, but that will change with
the next