nvme: use blk API to remap ref tags for IOs with metadata

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Also moved the logic of the remapping to the nvme core driver instead
of implementing it in the nvme pci driver. This way all the other nvme
transport drivers will benefit from it (in case they'll implement metadata
support).

Suggested-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Max Gurtovoy 2018-07-30 00:15:33 +03:00 • committed by Jens Axboe

parent 10c41ddd61

commit f7f1fc363a

3 changed files with 20 additions and 82 deletions

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18

drivers/nvme/host/core.c

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9

drivers/nvme/host/nvme.h

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75

drivers/nvme/host/pci.c

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