NativeFileSystem (Ignite 2.17.0)

```
public interface NativeFileSystem
```
Native file system API.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`getFileSystemBlockSize(int fd)`
`int`	`getFileSystemBlockSize(Path path)`
`long`	`getSparseFileSize(int fd)`
`void`	`punchHole(int fd, long off, long len)`

- Method Detail
  - getFileSystemBlockSize
```
int getFileSystemBlockSize(Path path)
```
    Parameters:
    
    path - Path.
    
    Returns:
    
    File system block size in bytes.
  - getFileSystemBlockSize
```
int getFileSystemBlockSize(int fd)
```
    Parameters:
    
    fd - Native file descriptor.
    
    Returns:
    
    File system block size in bytes.
  - punchHole
```
void punchHole(int fd,
               long off,
               long len)
```
    Parameters:
    
    fd - Native file descriptor.
    
    off - Offset of the hole.
    
    len - Length of the hole.
  - getSparseFileSize
```
long getSparseFileSize(int fd)
```
    Parameters:
    
    fd - Native file descriptor.
    
    Returns:
    
    Approximate system dependent size of the sparse file.