From 72d967df3e27186dd014bed2c6e7400cc32d84c5 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Wed, 14 Feb 2018 14:25:22 +0900
Subject: [PATCH] nspawn: remove unnecessary mount option parsing logic

---
 src/nspawn/nspawn-mount.c | 45 ++-------------------------------------
 1 file changed, 2 insertions(+), 43 deletions(-)

diff --git a/src/nspawn/nspawn-mount.c b/src/nspawn/nspawn-mount.c
index c507b6a7ca..5193f1f69d 100644
--- a/src/nspawn/nspawn-mount.c
+++ b/src/nspawn/nspawn-mount.c
@@ -634,56 +634,15 @@ int mount_all(const char *dest,
         return 0;
 }
 
-static int parse_mount_bind_options(const char *options, unsigned long *mount_flags, char **mount_opts) {
-        const char *p = options;
-        unsigned long flags = *mount_flags;
-        char *opts = NULL;
-        int r;
-
-        assert(options);
-
-        for (;;) {
-                _cleanup_free_ char *word = NULL;
-
-                r = extract_first_word(&p, &word, ",", 0);
-                if (r < 0)
-                        return log_error_errno(r, "Failed to extract mount option: %m");
-                if (r == 0)
-                        break;
-
-                if (streq(word, "rbind"))
-                        flags |= MS_REC;
-                else if (streq(word, "norbind"))
-                        flags &= ~MS_REC;
-                else {
-                        log_error("Invalid bind mount option: %s", word);
-                        return -EINVAL;
-                }
-        }
-
-        *mount_flags = flags;
-        /* in the future mount_opts will hold string options for mount(2) */
-        *mount_opts = opts;
-
-        return 0;
-}
-
 static int mount_bind(const char *dest, CustomMount *m) {
 
-        _cleanup_free_ char *mount_opts = NULL, *where = NULL;
-        unsigned long mount_flags = MS_BIND | MS_REC;
+        _cleanup_free_ char *where = NULL;
         struct stat source_st, dest_st;
         int r;
 
         assert(dest);
         assert(m);
 
-        if (m->options) {
-                r = parse_mount_bind_options(m->options, &mount_flags, &mount_opts);
-                if (r < 0)
-                        return r;
-        }
-
         if (stat(m->source, &source_st) < 0)
                 return log_error_errno(errno, "Failed to stat %s: %m", m->source);
 
@@ -723,7 +682,7 @@ static int mount_bind(const char *dest, CustomMount *m) {
 
         }
 
-        r = mount_verbose(LOG_ERR, m->source, where, NULL, mount_flags, mount_opts);
+        r = mount_verbose(LOG_ERR, m->source, where, NULL, MS_BIND | MS_REC, m->options);
         if (r < 0)
                 return r;