[PATCH v3 1/3] sunrpc: add a struct rpc_stats arg to rpc_create_args

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We want to be able to have our rpc stats handled in a per network
namespace manner, so add an option to rpc_create_args to specify a
different rpc_stats struct instead of using the one on the rpc_program.

Signed-off-by: Josef Bacik <josef@xxxxxxxxxxxxxx>
---
 fs/nfs/client.c             | 2 +-
 include/linux/sunrpc/clnt.h | 1 +
 net/sunrpc/clnt.c           | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 44eca51b2808..590be14f182f 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -73,7 +73,7 @@ const struct rpc_program nfs_program = {
 	.number			= NFS_PROGRAM,
 	.nrvers			= ARRAY_SIZE(nfs_version),
 	.version		= nfs_version,
-	.stats			= &nfs_rpcstat,
+	.stats                  = &nfs_rpcstat,
 	.pipe_dir_name		= NFS_PIPE_DIRNAME,
 };
 
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 5e9d1469c6fa..5321585c778f 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -139,6 +139,7 @@ struct rpc_create_args {
 	const char		*servername;
 	const char		*nodename;
 	const struct rpc_program *program;
+	struct rpc_stat		*stats;
 	u32			prognumber;	/* overrides program->number */
 	u32			version;
 	rpc_authflavor_t	authflavor;
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index cda0935a68c9..bc8c209fc0c7 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -405,7 +405,7 @@ static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args,
 	clnt->cl_maxproc  = version->nrprocs;
 	clnt->cl_prog     = args->prognumber ? : program->number;
 	clnt->cl_vers     = version->number;
-	clnt->cl_stats    = program->stats;
+	clnt->cl_stats    = args->stats ? : program->stats;
 	clnt->cl_metrics  = rpc_alloc_iostats(clnt);
 	rpc_init_pipe_dir_head(&clnt->cl_pipedir_objects);
 	err = -ENOMEM;
-- 
2.43.0





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