- support for GPT partition table in addition to traditional FDisk partition table
support for both iSCSI initiator and host
may be something like IBM EVMS needed to access 3-party filesystems and have "software RAID"
integrated, native support for multipathing
abilty to mount filesystem from file, not from block device (or see file as block device)
ability to mount filesystem into free directory inside another one
- unified filesystem cache
separate filesystems to 5 groups - legacy, compatibility, current, 3-rd generation, network
- common 32-bit FAT16/VFAT/FAT32 with proper work on USB devices and proper EA support
32-bit HPFS with support for >2TB size (using Large Extents) but backward compatible, integrated backside defragmenter thread
- R/W NTFS5
- bootable JFS (we have it already!!!)
BeFS ??? (it has integral support for EA, live search ability - hello WinFS and metadata checksums, it is extent based)
- only one I see right now covered by "compatible" license - ZFS
may be I lost something....