From 081fe6f8c9712b47cb555c8d08ed9651aa6cf3a1 Mon Sep 17 00:00:00 2001
From: Jakub Klama <jakub@conclusive.pl>
Date: Thu, 19 Dec 2019 19:23:26 +0100
Subject: [PATCH] Add readonly mount support in the fs backend.

---
 backend/fs.c | 4 ++--
 backend/fs.h | 5 ++++-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/backend/fs.c b/backend/fs.c
index 7471595..ac9ac43 100644
--- a/backend/fs.c
+++ b/backend/fs.c
@@ -2951,7 +2951,7 @@ fs_freefid(void *softc __unused, struct l9p_fid *fid)
 }
 
 int
-l9p_backend_fs_init(struct l9p_backend **backendp, int rootfd)
+l9p_backend_fs_init(struct l9p_backend **backendp, int rootfd, bool ro)
 {
 	struct l9p_backend *backend;
 	struct fs_softc *sc;
@@ -3003,7 +3003,7 @@ l9p_backend_fs_init(struct l9p_backend **backendp, int rootfd)
 
 	sc = l9p_malloc(sizeof(*sc));
 	sc->fs_rootfd = rootfd;
-	sc->fs_readonly = false;
+	sc->fs_readonly = ro;
 	backend->softc = sc;
 
 #if defined(WITH_CASPER)
diff --git a/backend/fs.h b/backend/fs.h
index 7fb8354..84b3717 100644
--- a/backend/fs.h
+++ b/backend/fs.h
@@ -29,6 +29,9 @@
 #ifndef LIB9P_BACKEND_FS_H
 #define LIB9P_BACKEND_FS_H
 
-int l9p_backend_fs_init(struct l9p_backend **backendp, int rootfd);
+#include <stdbool.h>
+#include "backend.h"
+
+int l9p_backend_fs_init(struct l9p_backend **backendp, int rootfd, bool ro);
 
 #endif  /* LIB9P_BACKEND_FS_H */