NVMe: Implement namespace list scanning

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The NVMe 1.1 specification provides an identify mode to return a
list of active namespaces. This is more efficient to discover which
namespace identifiers are active on a controller, providing potentially
significant improvement in scan time for controllers with sparesly
populated namespaces.

Signed-off-by: Keith Busch <keith.busch@intel.com>
[hch: add quirk for the broken Qemu Identify implementation.  To be relaxed
 later]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>

...

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Keith Busch 2015-10-22 15:45:06 -06:00 • committed by Jens Axboe

parent 6bf25d1641

commit 540c801c65

3 changed files with 79 additions and 9 deletions

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80

drivers/nvme/host/core.c

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6

drivers/nvme/host/nvme.h

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2

drivers/nvme/host/pci.c

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