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| author | Chuck Lever <chuck.lever@oracle.com> | 2014-07-29 17:25:12 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2014-07-31 16:22:56 -0400 |
| commit | 050557220e34ed5acc830c9bf6cd993f6b4ea33e (patch) | |
| tree | 9c324350f2c722345baf572ced1b2e7eabeaee92 /net/sunrpc | |
| parent | 440ddad51b821a8ab9099addcc29d4d18d02f6ac (diff) | |
| download | linux-050557220e34ed5acc830c9bf6cd993f6b4ea33e.tar.gz linux-050557220e34ed5acc830c9bf6cd993f6b4ea33e.tar.bz2 linux-050557220e34ed5acc830c9bf6cd993f6b4ea33e.zip | |
xprtrdma: Disable completions for FAST_REG_MR Work Requests
Instead of relying on a completion to change the state of an FRMR
to FRMR_IS_VALID, set it in advance. If an error occurs, a completion
will fire anyway and mark the FRMR FRMR_IS_STALE.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: Steve Wise <swise@opengridcomputing.com>
Tested-by: Shirley Ma <shirley.ma@oracle.com>
Tested-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/xprtrdma/verbs.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 7459b867d7d6..3e8b3881548d 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -159,10 +159,7 @@ rpcrdma_sendcq_process_wc(struct ib_wc *wc) return; } - if (wc->opcode == IB_WC_FAST_REG_MR) - frmr->r.frmr.fr_state = FRMR_IS_VALID; - else if (wc->opcode == IB_WC_LOCAL_INV) - frmr->r.frmr.fr_state = FRMR_IS_INVALID; + frmr->r.frmr.fr_state = FRMR_IS_INVALID; } static int @@ -1727,10 +1724,11 @@ rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg, dprintk("RPC: %s: Using frmr %p to map %d segments\n", __func__, mw, i); + frmr->fr_state = FRMR_IS_VALID; + memset(&frmr_wr, 0, sizeof frmr_wr); frmr_wr.wr_id = (unsigned long)(void *)mw; frmr_wr.opcode = IB_WR_FAST_REG_MR; - frmr_wr.send_flags = IB_SEND_SIGNALED; frmr_wr.wr.fast_reg.iova_start = seg1->mr_dma; frmr_wr.wr.fast_reg.page_list = frmr->fr_pgl; frmr_wr.wr.fast_reg.page_list_len = page_no; @@ -1766,6 +1764,7 @@ rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg, *nsegs = i; return 0; out_err: + frmr->fr_state = FRMR_IS_INVALID; while (i--) rpcrdma_unmap_one(ia, --seg); return rc; |