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IB/srp: Use multiple registrations for large memory regions

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Instead of using the global rkey for large memory regions, use
multiple registrations. See also the while (dma_len) loop further
down in srp_map_sg_entry().

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Bart Van Assche 2015-08-10 17:06:57 -07:00 committed by Doug Ledford
parent 186fbc6689
commit 7e85c91970
1 changed files with 0 additions and 10 deletions
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10
drivers/infiniband/ulp/srp/ib_srp.c
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@ -1393,16 +1393,6 @@ static int srp_map_sg_entry(struct srp_map_state *state,
return 0;
}
if (dma_len > dev->mr_max_size) {
ret = srp_finish_mapping(state, ch);
if (ret)
return ret;
srp_map_desc(state, dma_addr, dma_len, target->rkey);
srp_map_update_start(state, NULL, 0, 0);
return 0;
}
/*
* If this is the first sg that will be mapped via FMR or via FR, save
* our position. We need to know the first unmapped entry, its index,