[PATCH RFC 22/41] sunrpc: use fc_init_pseudo() for rpc_pipefs

[Christian Brauner <brauner@xxxxxxxxxx>]

Initialize rpc_pipefs as a pseudo filesystem. This raises SB_I_PSEUDO and
also SB_I_NOEXEC and SB_I_NODEV. rpc_pipefs never holds executables or
device nodes.

Signed-off-by: Christian Brauner (Amutable) <brauner@xxxxxxxxxx>
---
 net/sunrpc/rpc_pipe.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 9d349cfbc483..37277a6d2415 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -15,6 +15,7 @@
 #include <linux/pagemap.h>
 #include <linux/mount.h>
 #include <linux/fs_context.h>
+#include <linux/pseudo_fs.h>
 #include <linux/namei.h>
 #include <linux/fsnotify.h>
 #include <linux/kernel.h>
@@ -1181,6 +1182,7 @@ static int rpc_init_fs_context(struct fs_context *fc)
 {
        put_user_ns(fc->user_ns);
        fc->user_ns = get_user_ns(fc->net_ns->user_ns);
+       fc_init_pseudo(fc);
        fc->ops = &rpc_fs_context_ops;
        return 0;
 }

-- 
2.53.0