EXT4_IMMUTABLE_FL
EXT4_IMMUTABLE_FL | \
if (flags & EXT4_IMMUTABLE_FL)
if (flags & EXT4_IMMUTABLE_FL)
if (!(oldflags & EXT4_IMMUTABLE_FL) || !(flags & EXT4_IMMUTABLE_FL))
if ((oldflags & ~EXT4_IMMUTABLE_FL) != (flags & ~EXT4_IMMUTABLE_FL))
(flags & EXT4_IMMUTABLE_FL)) {
EXT4_I(inode)->i_flags |= EXT4_NOATIME_FL | EXT4_IMMUTABLE_FL;
EXT4_I(inode)->i_flags &= ~(EXT4_NOATIME_FL | EXT4_IMMUTABLE_FL);