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commit 0240df0e8ccf7be2706a6a10a2a620f8eda55275
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Author: Yongcheng Yang <yongcheng.yang@gmail.com>
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Date: Thu Sep 5 07:36:26 2019 -0400
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nfsd: Adjust nfs.conf setting/parsing of rdma port
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The rpc.nfsd program can use option "--rdma" to enable
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RDMA on the standard port (nfsrdma/20049) or "--rdma=port"
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for an alternate port.
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But now in /etc/nfs.conf, we need to specify the port
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number (e.g. rdma=nfsrdma) to enable it, which is not
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convenient.
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The default setting "rdma=n" may cause more confusion.
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Update to enable RDMA on standard port when setting
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boolean YES to "rdma=". And using "rdma-port=" for an
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alternate port if necessary.
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Also let previous config (e.g. rdma=nfsrdma) work as well.
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Signed-off-by: Yongcheng Yang <yongcheng.yang@gmail.com>
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Signed-off-by: Steve Dickson <steved@redhat.com>
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diff --git a/nfs.conf b/nfs.conf
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index 85097fd..186a5b1 100644
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--- a/nfs.conf
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+++ b/nfs.conf
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@@ -63,6 +63,7 @@
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# vers4.1=y
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# vers4.2=y
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# rdma=n
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+# rdma-port=20049
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#
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[statd]
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# debug=0
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diff --git a/utils/nfsd/nfsd.c b/utils/nfsd/nfsd.c
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index b256bd9..a412a02 100644
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--- a/utils/nfsd/nfsd.c
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+++ b/utils/nfsd/nfsd.c
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@@ -92,7 +92,14 @@ main(int argc, char **argv)
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port = conf_get_str("nfsd", "port");
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if (!port)
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port = "nfs";
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- rdma_port = conf_get_str("nfsd", "rdma");
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+ if (conf_get_bool("nfsd", "rdma", false)) {
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+ rdma_port = conf_get_str("nfsd", "rdma-port");
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+ if (!rdma_port)
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+ rdma_port = "nfsrdma";
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+ }
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+ /* backward compatibility - nfs.conf used to set rdma port directly */
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+ if (!rdma_port)
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+ rdma_port = conf_get_str("nfsd", "rdma");
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if (conf_get_bool("nfsd", "udp", NFSCTL_UDPISSET(protobits)))
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NFSCTL_UDPSET(protobits);
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else
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diff --git a/utils/nfsd/nfsd.man b/utils/nfsd/nfsd.man
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index d83ef86..2701ba7 100644
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--- a/utils/nfsd/nfsd.man
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+++ b/utils/nfsd/nfsd.man
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@@ -144,7 +144,11 @@ The lease time for NFSv4, in seconds.
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Set the port for TCP/UDP to bind to.
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.TP
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.B rdma
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-Set RDMA port. Use "rdma=nfsrdma" to enable standard port.
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+Enable RDMA port (with "on" or "yes" etc) on the standard port
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+("nfsrdma", port 20049).
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+.TP
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+.B rdma-port
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+Set an alternate RDMA port.
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.TP
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.B UDP
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Enable (with "on" or "yes" etc) or disable ("off", "no") UDP support.
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