Allow configuring the overlay snapshotter to synchronously
or asynchronously do cleanup. When the driver is integrated
into a garbage collection system, the asynchronous cleanup
can reduce the time of removal and allow the longer disk
cleanup to be handled without locking the snapshotter.
Signed-off-by: Derek McGowan <derek@mcgstyle.net>
Updates overlay remove to simply remove the reference, adds
a cleanup method for discarding the directory.
Updates snapshot create to setup the directory structure while
in the transaction, to prevent cleanup from removing directories
which are part of a create.
Signed-off-by: Derek McGowan <derek@mcgstyle.net>
Cleans up loop devices if part of the test or mount process fails.
Also increases btrfs default file size to 650MB to accommodate
minimum btrfs size on ppc64le and s390x
Signed-off-by: Christopher Jones <tophj@linux.vnet.ibm.com>
This changes the Windows runtime to use the snapshotter and differ
created layers, and updates the ctr commands to use the snapshotter and differ.
Signed-off-by: Darren Stahl <darst@microsoft.com>
This implements the Windows snapshotter and diff Apply function.
This allows for Windows layers to be created, and layers to be pulled
from the hub.
Signed-off-by: Darren Stahl <darst@microsoft.com>
Implements btrfs usage using a double walking diff and
counting the result. Walking gives the most accurate
count and includes inode usage.
Signed-off-by: Derek McGowan <derek@mcgstyle.net>
