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| author |   Chuck Lever <chuck.lever@oracle.com> | 2021-01-13 13:57:18 -0500 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2021-03-22 13:22:13 -0400 |
| commit | 2a1e4f21d84184f7ff5768ee3d3d0c30b1135867 (patch) | |
| tree | c87db194a3c60d96538d11b25971243213c955d6 /include/linux/sunrpc | |
| parent | svcrdma: Add a "deferred close" helper (diff) | |
| download | linux-dev-2a1e4f21d84184f7ff5768ee3d3d0c30b1135867.tar.xz linux-dev-2a1e4f21d84184f7ff5768ee3d3d0c30b1135867.zip | |
svcrdma: Normalize Send page handling
Currently svc_rdma_sendto() migrates xdr_buf pages into a separate
page list and NULLs out a bunch of entries in rq_pages while the
pages are under I/O. The Send completion handler then frees those
pages later.
Instead, let's wait for the Send completion, then handle page
releasing in the nfsd thread. I'd like to avoid the cost of 250+
put_page() calls in the Send completion handler, which is single-
threaded.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'include/linux/sunrpc')
| -rw-r--r-- | include/linux/sunrpc/svc_rdma.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h index 722fc7c48725..5841978550c6 100644 --- a/include/linux/sunrpc/svc_rdma.h +++ b/include/linux/sunrpc/svc_rdma.h @@ -160,6 +160,7 @@ struct svc_rdma_send_ctxt { struct ib_send_wr sc_send_wr; struct ib_cqe sc_cqe; + struct completion sc_done; struct xdr_buf sc_hdrbuf; struct xdr_stream sc_stream; void *sc_xprt_buf; |