nvme: rewrite discard support

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This rewrites nvme_setup_discard() with blk_add_request_payload().
It allocates only the necessary amount(16 bytes) for the payload.

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 00:24:45 -07:00 • committed by Jens Axboe

parent 58b4560275

commit 03b5929ebb

1 changed files with 39 additions and 29 deletions

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68

drivers/nvme/host/pci.c

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