diff options
| author | J. Bruce Fields <bfields@redhat.com> | 2012-03-21 16:42:14 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2012-03-26 11:48:54 -0400 |
| commit | 1df00640c9111c881633d9b219f18e66c52599ec (patch) | |
| tree | e36d3924d84f47ec93f6650ff1fd5b8ea7d10d24 /net/sunrpc/xprtrdma | |
| parent | ab4684d1560f8d77f6ce82bd3f1f82937070d397 (diff) | |
| parent | 5a7c9eec9fde1da0e3adf0a4ddb64ff2a324a492 (diff) | |
Merge nfs containerization work from Trond's tree
The nfs containerization work is a prerequisite for Jeff Layton's reboot
recovery rework.
Diffstat (limited to 'net/sunrpc/xprtrdma')
| -rw-r--r-- | net/sunrpc/xprtrdma/rpc_rdma.c | 9 | ||||
| -rw-r--r-- | net/sunrpc/xprtrdma/verbs.c | 17 |
2 files changed, 19 insertions, 7 deletions
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index 554d0814c87..12de982b7a5 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -771,13 +771,18 @@ repost: /* get request object */ req = rpcr_to_rdmar(rqst); + if (req->rl_reply) { + spin_unlock(&xprt->transport_lock); + dprintk("RPC: %s: duplicate reply 0x%p to RPC " + "request 0x%p: xid 0x%08x\n", __func__, rep, req, + headerp->rm_xid); + goto repost; + } dprintk("RPC: %s: reply 0x%p completes request 0x%p\n" " RPC request 0x%p xid 0x%08x\n", __func__, rep, req, rqst, headerp->rm_xid); - BUG_ON(!req || req->rl_reply); - /* from here on, the reply is no longer an orphan */ req->rl_reply = rep; diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 28236bab57f..745973b729a 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -1490,6 +1490,9 @@ rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg, u8 key; int len, pageoff; int i, rc; + int seg_len; + u64 pa; + int page_no; pageoff = offset_in_page(seg1->mr_offset); seg1->mr_offset -= pageoff; /* start of page */ @@ -1497,11 +1500,15 @@ rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg, len = -pageoff; if (*nsegs > RPCRDMA_MAX_DATA_SEGS) *nsegs = RPCRDMA_MAX_DATA_SEGS; - for (i = 0; i < *nsegs;) { + for (page_no = i = 0; i < *nsegs;) { rpcrdma_map_one(ia, seg, writing); - seg1->mr_chunk.rl_mw->r.frmr.fr_pgl->page_list[i] = seg->mr_dma; + pa = seg->mr_dma; + for (seg_len = seg->mr_len; seg_len > 0; seg_len -= PAGE_SIZE) { + seg1->mr_chunk.rl_mw->r.frmr.fr_pgl-> + page_list[page_no++] = pa; + pa += PAGE_SIZE; + } len += seg->mr_len; - BUG_ON(seg->mr_len > PAGE_SIZE); ++seg; ++i; /* Check for holes */ @@ -1540,9 +1547,9 @@ rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg, frmr_wr.send_flags = IB_SEND_SIGNALED; frmr_wr.wr.fast_reg.iova_start = seg1->mr_dma; frmr_wr.wr.fast_reg.page_list = seg1->mr_chunk.rl_mw->r.frmr.fr_pgl; - frmr_wr.wr.fast_reg.page_list_len = i; + frmr_wr.wr.fast_reg.page_list_len = page_no; frmr_wr.wr.fast_reg.page_shift = PAGE_SHIFT; - frmr_wr.wr.fast_reg.length = i << PAGE_SHIFT; + frmr_wr.wr.fast_reg.length = page_no << PAGE_SHIFT; BUG_ON(frmr_wr.wr.fast_reg.length < len); frmr_wr.wr.fast_reg.access_flags = (writing ? IB_ACCESS_REMOTE_WRITE | IB_ACCESS_LOCAL_WRITE : |