FALLOC

pub const FALLOC = struct {
    /// Default is extend size
    pub const FL_KEEP_SIZE = 0x01;

    /// De-allocates range
    pub const FL_PUNCH_HOLE = 0x02;

    /// Reserved codepoint
    pub const FL_NO_HIDE_STALE = 0x04;

    /// Removes a range of a file without leaving a hole in the file
    pub const FL_COLLAPSE_RANGE = 0x08;

    /// Converts a range of file to zeros preferably without issuing data IO
    pub const FL_ZERO_RANGE = 0x10;

    /// Inserts space within the file size without overwriting any existing data
    pub const FL_INSERT_RANGE = 0x20;

    /// Unshares shared blocks within the file size without overwriting any existing data
    pub const FL_UNSHARE_RANGE = 0x40;
}