malhuda/msm-4.14
1
0
Fork 0
mirror of https://github.com/rd-stuffs/msm-4.14.git synced 2025-02-20 11:45:48 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

IB/srp: Use multiple registrations for large memory regions

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/infiniband/ulp/srp/ib_srp.c
View File

@ -1393,16 +1393,6 @@ static int srp_map_sg_entry(struct srp_map_state *state,
return 0; 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 * 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, * our position. We need to know the first unmapped entry, its index,