1 files changed, 10 insertions, 0 deletions

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 5a51af7d0335..f3c667091618 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3580,6 +3580,16 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
                        "feature flags set on rev 0 fs, "
                        "running e2fsck is recommended");
 
+        if (es->s_creator_os == cpu_to_le32(EXT4_OS_HURD)) {
+                set_opt2(sb, HURD_COMPAT);
+                if (EXT4_HAS_INCOMPAT_FEATURE(sb,
+                                              EXT4_FEATURE_INCOMPAT_64BIT)) {
+                        ext4_msg(sb, KERN_ERR,
+                                 "The Hurd can't support 64-bit file systems");
+                        goto failed_mount;
+                }
+        }
+
         if (IS_EXT2_SB(sb)) {
                 if (ext2_feature_set_ok(sb))
                         ext4_msg(sb, KERN_INFO, "mounting ext2 file system "