tree 56645fcd07d1d0bf514ea002178ecfd1f3170794
parent 4160982e7594481d6b7f90aa693638a37d20ea17
author Keith Busch <keith.busch@intel.com> 1445615248 -0600
committer Jens Axboe <axboe@fb.com> 1448992779 -0700

nvme: use the block layer for userspace passthrough metadata

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>