86bdfe1565
When bhyve cannot open a backing file, it now says explicitly which file could not be opened Note that the change has only be maed in block_if.c and not in pci_virtio_block.c as the error will always be catched by the first PR: 202321 (different patch) Reviewed by: grehan MFC after: 3 day Sponsored by: Gandi.net Differential Revision: https://reviews.freebsd.org/D6576