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3f217cceb6
Add function to query the Peer-to-Peer-Remote-Copy (PPRC) state of a device by reading the related structure through a read subsystem data call. Signed-off-by: Stefan Haberland <sth@linux.ibm.com> Reviewed-by: Jan Hoeppner <hoeppner@linux.ibm.com> Link: https://lore.kernel.org/r/20220920192616.808070-3-sth@linux.ibm.com Signed-off-by: Jens Axboe <axboe@kernel.dk>