taglinefilesource code
EXT2_APPEND_FL469fs/ext2/ialloc.cinode->u.ext2_i.i_flags &= ~(EXT2_IMMUTABLE_FL | EXT2_APPEND_FL);
EXT2_APPEND_FL571fs/ext2/inode.cif (inode->u.ext2_i.i_flags & EXT2_APPEND_FL)
EXT2_APPEND_FL47fs/ext2/ioctl.cif (flags & EXT2_APPEND_FL)