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authorTrond Myklebust <trond.myklebust@primarydata.com>2017-09-05 21:16:04 +0200
committerTrond Myklebust <trond.myklebust@primarydata.com>2017-09-05 21:16:04 +0200
commitf9773b22a27a4234f436c9570afd62d905e00a13 (patch)
tree1dd82dd838ffc7277f281b57d0e940dc970cd19f /net/sunrpc/xprtrdma/fmr_ops.c
parentMerge branch 'bugfixes' (diff)
parentxprtrdma: Re-arrange struct rx_stats (diff)
downloadlinux-f9773b22a27a4234f436c9570afd62d905e00a13.tar.xz
linux-f9773b22a27a4234f436c9570afd62d905e00a13.zip
Merge tag 'nfs-rdma-for-4.14-1' of git://git.linux-nfs.org/projects/anna/linux-nfs into linux-next
NFS-over-RDMA client updates for Linux 4.14 Bugfixes and cleanups: - Constify rpc_xprt_ops - Harden RPC call encoding and decoding - Clean up rpc call decoding to use xdr_streams - Remove unused variables from various structures - Refactor code to remove imul instructions - Rearrange rx_stats structure for better cacheline sharing
Diffstat (limited to 'net/sunrpc/xprtrdma/fmr_ops.c')
-rw-r--r--net/sunrpc/xprtrdma/fmr_ops.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/net/sunrpc/xprtrdma/fmr_ops.c b/net/sunrpc/xprtrdma/fmr_ops.c
index d3f84bb1d443..6c7151341194 100644
--- a/net/sunrpc/xprtrdma/fmr_ops.c
+++ b/net/sunrpc/xprtrdma/fmr_ops.c
@@ -177,7 +177,7 @@ fmr_op_maxpages(struct rpcrdma_xprt *r_xprt)
/* Use the ib_map_phys_fmr() verb to register a memory region
* for remote access via RDMA READ or RDMA WRITE.
*/
-static int
+static struct rpcrdma_mr_seg *
fmr_op_map(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr_seg *seg,
int nsegs, bool writing, struct rpcrdma_mw **out)
{
@@ -188,7 +188,7 @@ fmr_op_map(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr_seg *seg,
mw = rpcrdma_get_mw(r_xprt);
if (!mw)
- return -ENOBUFS;
+ return ERR_PTR(-ENOBUFS);
pageoff = offset_in_page(seg1->mr_offset);
seg1->mr_offset -= pageoff; /* start of page */
@@ -232,13 +232,13 @@ fmr_op_map(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr_seg *seg,
mw->mw_offset = dma_pages[0] + pageoff;
*out = mw;
- return mw->mw_nents;
+ return seg;
out_dmamap_err:
pr_err("rpcrdma: failed to DMA map sg %p sg_nents %d\n",
mw->mw_sg, i);
rpcrdma_put_mw(r_xprt, mw);
- return -EIO;
+ return ERR_PTR(-EIO);
out_maperr:
pr_err("rpcrdma: ib_map_phys_fmr %u@0x%llx+%i (%d) status %i\n",
@@ -247,7 +247,7 @@ out_maperr:
ib_dma_unmap_sg(r_xprt->rx_ia.ri_device,
mw->mw_sg, mw->mw_nents, mw->mw_dir);
rpcrdma_put_mw(r_xprt, mw);
- return -EIO;
+ return ERR_PTR(-EIO);
}
/* Invalidate all memory regions that were registered for "req".