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scsi: core: add a host / host template field for the virt boundary

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This allows drivers setting it up easily instead of branching out to block
layer calls in slave_alloc, and ensures the upgraded max_segment_size
setting gets picked up by the DMA layer.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Kashyap Desai < kashyap.desai@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Christoph Hellwig
2019-06-17 14:19:53 +02:00
committed by Martin K. Petersen
parent f9b0530fa0
commit 7ad388d8e4
3 changed files with 8 additions and 1 deletions
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3
drivers/scsi/scsi_lib.c
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@@ -1791,7 +1791,8 @@ void __scsi_init_queue(struct Scsi_Host *shost, struct request_queue *q)
dma_set_seg_boundary(dev, shost->dma_boundary);
blk_queue_max_segment_size(q, shost->max_segment_size);
dma_set_max_seg_size(dev, shost->max_segment_size);
blk_queue_virt_boundary(q, shost->virt_boundary_mask);
dma_set_max_seg_size(dev, queue_max_segment_size(q));
/*
* Set a reasonable default alignment: The larger of 32-byte (dword),