Re: [PATCH v2] iser: explicitly set shost max_segment_size if non virtual boundary devices

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On Thu, Jun 06, 2019 at 06:29:14PM -0700, Sagi Grimberg wrote:
> if the rdma device supports sg gaps, we don't need to set a virtual
> boundary but we then need to explicitly set the max_segment_size, otherwise
> scsi takes BLK_MAX_SEGMENT_SIZE and sets it using dma_set_max_seg_size()
> and this affects all the rdma device consumers.
> 
> Fix it by setting shost max_segment_size according to the device
> capability if SG_GAPS are not supported.
> 
> Reported-by: Jason Gunthorpe <jgg@xxxxxxxx>
> Suggested-by: Christoph Hellwig <hch@xxxxxx>
> Signed-off-by: Sagi Grimberg <sagi@xxxxxxxxxxx>
> ---
> Changes from v1:
> - set max_segment_size only for non virtual boundary devices
> 
>  drivers/infiniband/ulp/iser/iscsi_iser.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Sagi, are you respinning this or ??

https://patchwork.kernel.org/patch/10980657/

Jason



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