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Linux Kernel 3.19 Officially Released, Merge Window for Linux Kernel 3.20 Now Open

Among some of the prominent features of Linux kernel 3.19, we can mention scrubbing support for the Btrfs filesystem, which is still in heavy development and cannot be yet used by default on GNU/Linux operating systems. In addition, Btrfs received fast device replacement in RAID (Redundant Array of Independent Disks) 5 and 6.