Interface org.apache.hadoop.fs.Syncable

Changed Methods
void hflush()	Changed from abstract to non-abstract.	Flush out the data in client's user buffer.
void hsync()	Changed from abstract to non-abstract.	Similar to posix fsync flush out the data in client's user buffer all the way to the disk device (but the disk may have it in its cache).
void sync()	Changed from abstract to non-abstract.	As of HADOOP 0.21.0, replaced by hflush