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nvme: fix directive command numd calculation

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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 <[email protected]>
Reviewed-by: Jens Axboe <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
This commit is contained in:
Kwan (Hingkwan) Huen-SSI
2017-08-10 19:53:44 +02:00
committed by Christoph Hellwig
parent 634b832590
commit a082b42628
1 changed files with 1 additions and 1 deletions
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drivers/nvme/host/core.c
+1 -1
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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;