1 files changed, 11 insertions, 0 deletions

diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index 92df3b081539..bb3167257aab 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -2802,6 +2802,8 @@ static ssize_t dfs_file_read(struct file *file, char __user *u, size_t count,
                 val = d->chk_fs;
         else if (dent == d->dfs_tst_rcvry)
                 val = d->tst_rcvry;
+        else if (dent == d->dfs_ro_error)
+                val = c->ro_error;
         else
                 return -EINVAL;
 
@@ -2885,6 +2887,8 @@ static ssize_t dfs_file_write(struct file *file, const char __user *u,
                 d->chk_fs = val;
         else if (dent == d->dfs_tst_rcvry)
                 d->tst_rcvry = val;
+        else if (dent == d->dfs_ro_error)
+                c->ro_error = !!val;
         else
                 return -EINVAL;
 
@@ -2996,6 +3000,13 @@ int dbg_debugfs_init_fs(struct ubifs_info *c)
                 goto out_remove;
         d->dfs_tst_rcvry = dent;
 
+        fname = "ro_error";
+        dent = debugfs_create_file(fname, S_IRUSR | S_IWUSR, d->dfs_dir, c,
+                                   &dfs_fops);
+        if (IS_ERR_OR_NULL(dent))
+                goto out_remove;
+        d->dfs_ro_error = dent;
+
         return 0;
 
 out_remove: