nvme: add helper nvme_map_len()

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The helper returns the number of bytes that need to be mapped
using PRPs/SGL entries.

Signed-off-by: Ming Lin <ming.l@ssi.samsung.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>

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Ming Lin 2016-03-22 00:24:43 -07:00 • committed by Jens Axboe

parent 2e39e0f608

commit 58b4560275

2 changed files with 13 additions and 8 deletions

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8

drivers/nvme/host/nvme.h

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13

drivers/nvme/host/pci.c

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