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blockdev: Use CAF in external_snapshot_prepare()
authorMax Reitz <mreitz@redhat.com>
Wed, 12 Jun 2019 16:34:46 +0000 (18:34 +0200)
committerKevin Wolf <kwolf@redhat.com>
Mon, 7 Sep 2020 10:31:31 +0000 (12:31 +0200)
commit7cc734a9ea1c57afe3b3fdeaba33b6a7da73bca2
tree1f3b74b70b7cad9842435a2c70258b9e59f3ed69tree | snapshot
parent07cd7b659a7169ed4c5c6b45b48d8351566ed4cbcommit | diff
blockdev: Use CAF in external_snapshot_prepare()

This allows us to differentiate between filters and nodes with COW
backing files: Filters cannot be used as overlays at all (for this
function).

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
blockdev.c diff | blob | history
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