diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index 9efb94e95858e8c53cb84f587b74a064e8701dc4..98df261813495e55ae48bae787240049fbdd2ff0 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -650,6 +650,9 @@ static u64 __btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info)
 	u64 result;
 	int ret;
 
+	if (fs_info->sb->s_flags & MS_RDONLY)
+		return -EROFS;
+
 	mutex_lock(&dev_replace->lock_finishing_cancel_unmount);
 	btrfs_dev_replace_lock(dev_replace);
 	switch (dev_replace->replace_state) {
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 9dfe038015f7530bf74f1a960fd060f2afd94043..5d7ea267d8ff69df2f3faf12850f752962651c56 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -3424,6 +3424,9 @@ int btrfs_pause_balance(struct btrfs_fs_info *fs_info)
 
 int btrfs_cancel_balance(struct btrfs_fs_info *fs_info)
 {
+	if (fs_info->sb->s_flags & MS_RDONLY)
+		return -EROFS;
+
 	mutex_lock(&fs_info->balance_mutex);
 	if (!fs_info->balance_ctl) {
 		mutex_unlock(&fs_info->balance_mutex);