This series makes unexpected casefold flags on inodes be consistently rejected early on so that additional validation isn't needed later on during random filesystem operations. For additional context, refer to the discussion on patch 1 of https://lore.kernel.org/linux-fsdevel/20230812004146.30980-1-krisman@xxxxxxx/T/#u Applies to v6.5-rc6 Eric Biggers (3): ext4: reject casefold inode flag without casefold feature ext4: remove redundant checks of s_encoding libfs: remove redundant checks of s_encoding fs/ext4/hash.c | 2 +- fs/ext4/inode.c | 5 ++++- fs/ext4/namei.c | 6 +++--- fs/libfs.c | 14 ++------------ 4 files changed, 10 insertions(+), 17 deletions(-) base-commit: 2ccdd1b13c591d306f0401d98dedc4bdcd02b421 -- 2.41.0