Register ext4 as a "replacement" for ext2 and ext3 only after ext4 itself has been successfully registered. As a side effect, this allows unregister_as_ext[23]() to be inlined. This change is not eligible for stable@. Please Reply-To-All. Thanks and have a great day. Marc. Signed-off-by: Marc Aurèle La France <tsi@xxxxxxxxxx> diff -aNpRruz -X /etc/diff.excludes linux-5.17.1/fs/ext4/super.c devel-5.17.1/fs/ext4/super.c --- linux-5.17.1/fs/ext4/super.c 2022-03-28 02:03:22.000000000 -0600 +++ devel-5.17.1/fs/ext4/super.c 2022-03-28 07:14:10.799008309 -0600 @@ -7123,16 +7123,14 @@ static int __init ext4_init_fs(void) if (err) goto out05; - register_as_ext3(); - register_as_ext2(); err = register_filesystem(&ext4_fs_type); if (err) goto out; + register_as_ext3(); + register_as_ext2(); return 0; out: - unregister_as_ext2(); - unregister_as_ext3(); ext4_fc_destroy_dentry_cache(); out05: destroy_inodecache();
