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Changes for 4.3-rc4

Browse source 
- Fixes for mlx5 related issues
 - Fixes for ipoib multicast handling
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

Pull rdma fixes from Doug Ledford:
 - Fixes for mlx5 related issues
 - Fixes for ipoib multicast handling

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
  IB/ipoib: increase the max mcast backlog queue
  IB/ipoib: Make sendonly multicast joins create the mcast group
  IB/ipoib: Expire sendonly multicast joins
  IB/mlx5: Remove pa_lkey usages
  IB/mlx5: Remove support for IB_DEVICE_LOCAL_DMA_LKEY
  IB/iser: Add module parameter for always register memory
  xprtrdma: Replace global lkey with lkey local to PD
This commit is contained in:
Linus Torvalds 2015-10-01 16:38:52 -04:00
commit 46c8217c4a
18 changed files with 70 additions and 167 deletions
Download patch file Download diff file Expand all files Collapse all files

19
net/sunrpc/xprtrdma/fmr_ops.c
View file

@ -39,25 +39,6 @@ static int
fmr_op_open(struct rpcrdma_ia *ia, struct rpcrdma_ep *ep,
struct rpcrdma_create_data_internal *cdata)
{
struct ib_device_attr *devattr = &ia->ri_devattr;
struct ib_mr *mr;
/* Obtain an lkey to use for the regbufs, which are
* protected from remote access.
*/
if (devattr->device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY) {
ia->ri_dma_lkey = ia->ri_device->local_dma_lkey;
} else {
mr = ib_get_dma_mr(ia->ri_pd, IB_ACCESS_LOCAL_WRITE);
if (IS_ERR(mr)) {
pr_err("%s: ib_get_dma_mr for failed with %lX\n",
__func__, PTR_ERR(mr));
return -ENOMEM;
}
ia->ri_dma_lkey = ia->ri_dma_mr->lkey;
ia->ri_dma_mr = mr;
}
return 0;
}

5
net/sunrpc/xprtrdma/frwr_ops.c
View file

@ -189,11 +189,6 @@ frwr_op_open(struct rpcrdma_ia *ia, struct rpcrdma_ep *ep,
struct ib_device_attr *devattr = &ia->ri_devattr;
int depth, delta;
/* Obtain an lkey to use for the regbufs, which are
* protected from remote access.
*/
ia->ri_dma_lkey = ia->ri_device->local_dma_lkey;
ia->ri_max_frmr_depth =
min_t(unsigned int, RPCRDMA_MAX_DATA_SEGS,
devattr->max_fast_reg_page_list_len);

10
net/sunrpc/xprtrdma/physical_ops.c
View file

@ -23,7 +23,6 @@ static int
physical_op_open(struct rpcrdma_ia *ia, struct rpcrdma_ep *ep,
struct rpcrdma_create_data_internal *cdata)
{
struct ib_device_attr *devattr = &ia->ri_devattr;
struct ib_mr *mr;
/* Obtain an rkey to use for RPC data payloads.
@ -37,15 +36,8 @@ physical_op_open(struct rpcrdma_ia *ia, struct rpcrdma_ep *ep,
__func__, PTR_ERR(mr));
return -ENOMEM;
}
ia->ri_dma_mr = mr;
/* Obtain an lkey to use for regbufs.
*/
if (devattr->device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY)
ia->ri_dma_lkey = ia->ri_device->local_dma_lkey;
else
ia->ri_dma_lkey = ia->ri_dma_mr->lkey;
return 0;
}

2
net/sunrpc/xprtrdma/verbs.c
View file

@ -1252,7 +1252,7 @@ rpcrdma_alloc_regbuf(struct rpcrdma_ia *ia, size_t size, gfp_t flags)
goto out_free;
iov->length = size;
iov->lkey = ia->ri_dma_lkey;
iov->lkey = ia->ri_pd->local_dma_lkey;
rb->rg_size = size;
rb->rg_owner = NULL;
return rb;

1
net/sunrpc/xprtrdma/xprt_rdma.h
View file

@ -65,7 +65,6 @@ struct rpcrdma_ia {
struct rdma_cm_id *ri_id;
struct ib_pd *ri_pd;
struct ib_mr *ri_dma_mr;
u32 ri_dma_lkey;
struct completion ri_done;
int ri_async_rc;
unsigned int ri_max_frmr_depth;