convenience helper: get_tree_single()

counterpart of mount_single(); switch fusectl to it

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 8 insertions, 0 deletions

diff --git a/fs/super.c b/fs/super.c
index 3318225b0878..113c58f19425 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -1206,6 +1206,14 @@ int get_tree_nodev(struct fs_context *fc,
 }
 EXPORT_SYMBOL(get_tree_nodev);
 
+int get_tree_single(struct fs_context *fc,
+                  int (*fill_super)(struct super_block *sb,
+                                    struct fs_context *fc))
+{
+        return vfs_get_super(fc, vfs_get_single_super, fill_super);
+}
+EXPORT_SYMBOL(get_tree_single);
+
 #ifdef CONFIG_BLOCK
 static int set_bdev_super(struct super_block *s, void *data)
 {