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0af7b5e236
This adds support in sd.c for the block PR read keys and read reservation callouts, so upper layers like LIO can get the PR info that's been setup using the existing pr callouts and return it to initiators. Signed-off-by: Mike Christie <michael.christie@oracle.com> Link: https://lore.kernel.org/r/20230407200551.12660-6-michael.christie@oracle.com Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>