Linux 3.8 was released on Mon, 18 Feb 2013.
This Linux release includes support in Ext4 for embedding very small files in the inode, which greatly improves the performance for these files and saves some disk space. There is also a new Btrfs feature that allows to replace quickly a disk, a new filesystem F2FS optimized for SSDs, support of filesystem mounts, UTS, IPC, PIDs, and network stack namespaces for unprivileged users, accounting of kernel memory in the memory resource controller, journal checksums in XFS, an improved NUMA policy redesign and, of course, the removal of support for 386 processors. Many small features and new drivers and fixes are also available.
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Prominent features in Linux 3.8
- Ext4 embeds very small files in the inode
- Btrfs fast device replacement
- F2FS, a SSD friendly file system
- User namespace support completed
- XFS log checksums
- Huge Pages support a zero page
- The memory resource controller supports accounting of kernel memory
- Automatic NUMA balancing
- Removal of support for 386 processors
- Driver and architecture-specific changes
- Various core changes
- Filesystems
- Block