1 files changed, 16 insertions, 1 deletions

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 75b3708b778e..b59373b625e9 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3483,7 +3483,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
                 }
                 if (test_opt(sb, DIOREAD_NOLOCK)) {
                         ext4_msg(sb, KERN_ERR, "can't mount with "
-                                 "both data=journal and delalloc");
+                                 "both data=journal and dioread_nolock");
                         goto failed_mount;
                 }
                 if (test_opt(sb, DELALLOC))
@@ -4727,6 +4727,21 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
                 goto restore_opts;
         }
 
+        if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) {
+                if (test_opt2(sb, EXPLICIT_DELALLOC)) {
+                        ext4_msg(sb, KERN_ERR, "can't mount with "
+                                 "both data=journal and delalloc");
+                        err = -EINVAL;
+                        goto restore_opts;
+                }
+                if (test_opt(sb, DIOREAD_NOLOCK)) {
+                        ext4_msg(sb, KERN_ERR, "can't mount with "
+                                 "both data=journal and dioread_nolock");
+                        err = -EINVAL;
+                        goto restore_opts;
+                }
+        }
+
         if (sbi->s_mount_flags & EXT4_MF_FS_ABORTED)
                 ext4_abort(sb, "Abort forced by user");