Testing Linux File System ext4 and ext3 with Htree Option

Testing Linux File System ext4 and ext3 with Htree Option

I want to find out the advantages of ext4 Linux file system when compared to ext3. So far I'm using Ubuntu desktop 9.04 with ext4 file system. No problem so far.

http://en.wikipedia.org/wiki/Ext4

Another test is the use of Htree in ext3. With mount option dir_index

http://en.wikipedia.org/wiki/Htree

Linux next file system Btrfs

http://en.wikipedia.org/wiki/Btrfs