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Jason Gunthorpe
41d902cb7c
This structure is pushed down the ex and the non-ex path, so it needs to be aligned to 8 bytes to go through ex without implicit padding. Old user space will provide 4 bytes of resp on !ex and 8 bytes on ex, so take the approach of just copying the minimum length. New user space will consistently provide 8 bytes in both cases. Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>