[CRIU] multiple open() on a file during restore

[CRIU criu]

Hi,

Does CRIU do multiple open() on a regular file during restore? If yes,
multiple open() on some device files may lead to incorrect bookkeeping
inside the kernel driver.

Please correct me if my understanding is wrong. Thanks!

I see the following code being executed:
prepare_mappings() -> premap_priv_vmas()
->map_private_vma()->get_filemap_fd(vma)

This is followed by close(vma-e->fd)

-Lilo
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