Data recovery and repair tools for Btrfs;
· Metadata blocks bigger than 4KB in Btrfs;
· Btrfs performance improvements;
· Better error handling in Btrfs;
· Initial support of Nvidia GeForce 600 ‘Kepler’;
· Support of Intel Medfield graphics;
· Support for Trinity APU and RadeonHD 7xxx series;
· New X32 ABI: 64 bit mode with 32 bit pointers;
· x86 CPU driver autoprobing;
· Verifiable boot path with the device mapper “verity” target;
· Support for an external read-only device as the origin source of a thin provisioned LVM volume;
· perf improvements: better assembly visualization, GTK2 report GUI, branch profiling, filtering of users and threads;
· ‘Yama’ security module.
· Btrfs performance improvements;
· Better error handling in Btrfs;
· Initial support of Nvidia GeForce 600 ‘Kepler’;
· Support of Intel Medfield graphics;
· Support for Trinity APU and RadeonHD 7xxx series;
· New X32 ABI: 64 bit mode with 32 bit pointers;
· x86 CPU driver autoprobing;
· Verifiable boot path with the device mapper “verity” target;
· Support for an external read-only device as the origin source of a thin provisioned LVM volume;
· perf improvements: better assembly visualization, GTK2 report GUI, branch profiling, filtering of users and threads;
· ‘Yama’ security module.
Linux kernel 3.4 also comes with many improvements in various areas, such as memory management fixes, networking, improvements for EXT4, FUSE, NFS, XFS, HFSplus, CIFS and GFS2 filesystems, as well as KVM and Xen virtualization improvements.
