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linux/drivers/nvme
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Christoph Hellwig b0f2853b56 nvme-pci: take sglist coalescing in dma_map_sg into account 
Some iommu implementations can merge physically and/or virtually
contiguous segments inside sg_map_dma.  The NVMe SGL support does not take
this into account and will warn because of falling off a loop.  Pass the
number of mapped segments to nvme_pci_setup_sgls so that the SGL setup
can take the number of mapped segments into account.

Reported-by: Fangjian (Turing) <f.fangjian@huawei.com>
Fixes: a7a7cbe3 ("nvme-pci: add SGL support")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagi@rimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
History 2018-01-17 14:05:35 -07:00
..
host nvme-pci: take sglist coalescing in dma_map_sg into account 2018-01-17 14:05:35 -07:00
target nvme-fcloop: avoid possible uninitialized variable warning 2017-12-29 10:37:21 +01:00
Kconfig nvme: use menu Kconfig interface 2017-10-04 09:43:57 +02:00
Makefile nvmet: add a generic NVMe target 2016-07-05 11:30:33 -06:00