Patch "sunrpc: add a struct rpc_stats arg to rpc_create_args" has been added to the 5.4-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    sunrpc: add a struct rpc_stats arg to rpc_create_args

to the 5.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     sunrpc-add-a-struct-rpc_stats-arg-to-rpc_create_args.patch
and it can be found in the queue-5.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit d42a67f30a0131e6ef315a474b01d5bba18aa115
Author: Josef Bacik <josef@xxxxxxxxxxxxxx>
Date:   Thu Feb 15 14:57:30 2024 -0500

    sunrpc: add a struct rpc_stats arg to rpc_create_args
    
    [ Upstream commit 2057a48d0dd00c6a2a94ded7df2bf1d3f2a4a0da ]
    
    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>
    Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
    Stable-dep-of: 24457f1be29f ("nfs: Handle error of rpc_proc_register() in nfs_net_init().")
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 336802acc629b..18d4cf2d637b6 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -121,6 +121,7 @@ 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 9071dc6928ac2..c6fe108845e8b 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -400,7 +400,7 @@ 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;
@@ -666,6 +666,7 @@ struct rpc_clnt *rpc_clone_client(struct rpc_clnt *clnt)
 		.version	= clnt->cl_vers,
 		.authflavor	= clnt->cl_auth->au_flavor,
 		.cred		= clnt->cl_cred,
+		.stats		= clnt->cl_stats,
 	};
 	return __rpc_clone_client(&args, clnt);
 }
@@ -688,6 +689,7 @@ rpc_clone_client_set_auth(struct rpc_clnt *clnt, rpc_authflavor_t flavor)
 		.version	= clnt->cl_vers,
 		.authflavor	= flavor,
 		.cred		= clnt->cl_cred,
+		.stats		= clnt->cl_stats,
 	};
 	return __rpc_clone_client(&args, clnt);
 }
@@ -961,6 +963,7 @@ struct rpc_clnt *rpc_bind_new_program(struct rpc_clnt *old,
 		.version	= vers,
 		.authflavor	= old->cl_auth->au_flavor,
 		.cred		= old->cl_cred,
+		.stats		= old->cl_stats,
 	};
 	struct rpc_clnt *clnt;
 	int err;