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nvme: fix directive command numd calculation 

The numd field of directive receive command takes number of dwords to
transfer. This fix has the correct calculation for numd.

Signed-off-by: Kwan (Hingkwan) Huen-SSI <kwan.huen@samsung.com>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
zero-colors
Kwan (Hingkwan) Huen-SSI 2017-08-09 11:26:29 -07:00 committed by Christoph Hellwig
parent 634b832590
commit a082b42628
1 changed files with 1 additions and 1 deletions
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2
drivers/nvme/host/core.c
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@ -336,7 +336,7 @@ static int nvme_get_stream_params(struct nvme_ctrl *ctrl,
c.directive.opcode = nvme_admin_directive_recv;
c.directive.nsid = cpu_to_le32(nsid);
c.directive.numd = cpu_to_le32(sizeof(*s));
c.directive.numd = cpu_to_le32((sizeof(*s) >> 2) - 1);
c.directive.doper = NVME_DIR_RCV_ST_OP_PARAM;
c.directive.dtype = NVME_DIR_STREAMS;