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| author | Chuck Lever <chuck.lever@oracle.com> | 2016-05-02 14:42:38 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2016-05-17 15:48:03 -0400 |
| commit | 763bc230b63c9106fd0b0a75ba5052fe3d68b786 (patch) | |
| tree | 4c1bf10c371c6f2c478a22eaab77709dfc4f583d /net/sunrpc | |
| parent | 766656b022a629201b6e183c7837160cd0919286 (diff) | |
| download | linux-763bc230b63c9106fd0b0a75ba5052fe3d68b786.tar.gz linux-763bc230b63c9106fd0b0a75ba5052fe3d68b786.tar.bz2 linux-763bc230b63c9106fd0b0a75ba5052fe3d68b786.zip | |
xprtrdma: Refactor __fmr_dma_unmap()
Separate the DMA unmap operation from freeing the MW. In a
subsequent patch they will not always be done at the same time,
and they are not related operations (except by order; freeing
the MW must be the last step during invalidation).
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: Steve Wise <swise@opengridcomputing.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/xprtrdma/fmr_ops.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/net/sunrpc/xprtrdma/fmr_ops.c b/net/sunrpc/xprtrdma/fmr_ops.c index 009694b0c56e..9d50f3a5732a 100644 --- a/net/sunrpc/xprtrdma/fmr_ops.c +++ b/net/sunrpc/xprtrdma/fmr_ops.c @@ -186,15 +186,10 @@ static void __fmr_dma_unmap(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr_seg *seg) { struct ib_device *device = r_xprt->rx_ia.ri_device; - struct rpcrdma_mw *mw = seg->rl_mw; int nsegs = seg->mr_nsegs; - seg->rl_mw = NULL; - while (nsegs--) rpcrdma_unmap_one(device, seg++); - - rpcrdma_put_mw(r_xprt, mw); } /* Invalidate all memory regions that were registered for "req". @@ -237,9 +232,11 @@ fmr_op_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) seg = &req->rl_segments[i]; __fmr_dma_unmap(r_xprt, seg); + rpcrdma_put_mw(r_xprt, seg->rl_mw); i += seg->mr_nsegs; seg->mr_nsegs = 0; + seg->rl_mw = NULL; } req->rl_nchunks = 0; |