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sunrpc: add netns inum and srcaddr to debugfs rpc_xprt info

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The output format should provide a value that matches the one in
the /proc/<pid>/ns/net symlink. This makes it simpler to match the
rpc_xprt and rpc_clnt to a particular container.

Also, when the xprt defines the get_srcaddr operation, use that to
display the source address as well.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Anna Schumaker <anna.schumaker@oracle.com>
This commit is contained in:
Jeff Layton 2025-01-22 10:18:12 -05:00 committed by Anna Schumaker
parent eb3fabde15
commit 918b8e3b3f
1 changed files with 12 additions and 0 deletions
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12
net/sunrpc/debugfs.c
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@ -182,6 +182,18 @@ xprt_info_show(struct seq_file *f, void *v)
seq_printf(f, "addr: %s\n", xprt->address_strings[RPC_DISPLAY_ADDR]);
seq_printf(f, "port: %s\n", xprt->address_strings[RPC_DISPLAY_PORT]);
seq_printf(f, "state: 0x%lx\n", xprt->state);
seq_printf(f, "netns: %u\n", xprt->xprt_net->ns.inum);
if (xprt->ops->get_srcaddr) {
int ret, buflen;
char buf[INET6_ADDRSTRLEN];
buflen = ARRAY_SIZE(buf);
ret = xprt->ops->get_srcaddr(xprt, buf, buflen);
if (ret < 0)
ret = sprintf(buf, "<closed>");
seq_printf(f, "saddr: %.*s\n", ret, buf);
}
return 0;
}