nvme: use the block layer for userspace passthrough metadata

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Use the integrity API to pass through metadata from userspace.  For PI
enabled devices this means that we now validate the reftag, which seems
like an unintentional ommission in the old code.

Thanks to Keith Busch for testing and fixes.

Signed-off-by: Christoph Hellwig <hch@lst.de>
[Skip metadata setup on admin commands]
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

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Keith Busch 2015-10-23 09:47:28 -06:00 • committed by Jens Axboe

parent 4160982e75

commit 0b7f1f26f9

3 changed files with 83 additions and 43 deletions

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83

drivers/nvme/host/core.c

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4

drivers/nvme/host/nvme.h

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39

drivers/nvme/host/pci.c

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