Function ext4_block_cache_write_back

pub unsafe extern "C" fn ext4_block_cache_write_back(
    bdev: *mut ext4_blockdev,
    on_off: u8,
) -> c_int

@brief Enable/disable write back cache mode @param bdev block device descriptor @param on_off !0 - ENABLE 0 - DISABLE (all delayed cache buffers will be flushed) @return standard error code