tree 3ac1e41533d4a09de52f107c6c33ab07c42b0081
parent 7e6a5c730be49bd113a552cd2c4e4b91abfdd4fb
author Avihai Horon <avihaih@nvidia.com> 1687345918 +0300
committer Cédric Le Goater <clg@redhat.com> 1688097771 +0200

vfio/migration: Refactor vfio_save_block() to return saved data size

Refactor vfio_save_block() to return the size of saved data on success
and -errno on error.

This will be used in next patch to implement VFIO migration pre-copy
support.

Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Tested-by: YangHang Liu <yanghliu@redhat.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>