nvme: submit internal commands through the block layer

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Use block layer queues with an internal cmd_type to submit internally
generated NVMe commands.  This both simplifies the code a lot and allow
for a better structure.  For example now the LighNVM code can construct
commands without knowing the details of the underlying I/O descriptors.
Or a future NVMe over network target could inject commands, as well as
could the SCSI translation and ioctl code be reused for such a beast.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>

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Christoph Hellwig 2015-05-22 11:12:46 +02:00 • committed by Jens Axboe

parent 772ce43559

commit d29ec8241c

3 changed files with 300 additions and 545 deletions

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include/linux/nvme.h

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