[PATCH RFC 21/41] nfsd: use fc_init_pseudo()

[Christian Brauner <brauner@xxxxxxxxxx>]

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

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

diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index f32311f2d7cf..ce2666deddbd 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -9,6 +9,7 @@
 #include <linux/namei.h>
 #include <linux/ctype.h>
 #include <linux/fs_context.h>
+#include <linux/pseudo_fs.h>
 
 #include <linux/sunrpc/cache.h>
 #include <linux/sunrpc/svcsock.h>
@@ -1375,6 +1376,7 @@ static int nfsd_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 = &nfsd_fs_context_ops;
        return 0;
 }

-- 
2.53.0