diff options
author | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-09-05 21:16:04 +0200 |
---|---|---|
committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-09-05 21:16:04 +0200 |
commit | f9773b22a27a4234f436c9570afd62d905e00a13 (patch) | |
tree | 1dd82dd838ffc7277f281b57d0e940dc970cd19f /net/sunrpc/xprtrdma/fmr_ops.c | |
parent | Merge branch 'bugfixes' (diff) | |
parent | xprtrdma: Re-arrange struct rx_stats (diff) | |
download | linux-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.c | 10 |
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". |