Re: [PATCH v6 09/12] nvme-rdma: use ib_dma_map_sgtable_attrs()

> ib_dma_map_sg() folds every mapping error into a zero return, losing
> the DMA layer's error code.  Switch both scatterlist mappings to
> ib_dma_map_sgtable_attrs(), which preserves it for the next patch to
> act on.  No behavior change: failures are still reported as -EIO.
> 
> A local sg_table is needed: dma_map_sgtable() maps orig_nents
> entries, and the embedded table's orig_nents is the allocated count,
> not the count blk_rq_map_sg() produced.  rdma_rw_ctx_init() does the
> same.
> 
> Assisted-by: Claude:claude-fable-5
> Cc: [email protected] # v7.1
> Signed-off-by: Mykola Marzhan <[email protected]>

Sashiko has reviewed this patch and found no issues. It looks great!

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