Kernel Log: Coming in 2.6.33 (Part 2) - Storage

"Extended discard support means that Linux now supports ATA TRIM, which can increase SSD lifespan and throughput. New additions to the Linux kernel include HA solution DRBD and drivers for HP, LSI and VMware storage hardware. The new kernel version, expected in early March, also includes many minor improvements to the code for the Btrfs, Ext4 and ReiserFS file systems.

"At the end of last week, Linus Torvalds released the fifth pre-release version of Linux version 2.6.33, with the final release expected in 4 to 5 weeks time. At this stage in the development cycle, it is usually predominantly more minor changes and fixes which find their way into the main development tree. Kernel hackers do, however, make occasional exceptions for drivers. Linux 2.6.33-rc5 sees the addition to the kernel of a V4L/DVB driver which supports the Mantis chip-set used in a range of TV cards. However, the changes to the V4L/DVB subsystem in Linux 2.6.33 are the subject of a future article in the "Coming in 2.6.33" series.

"Following on from the first article in the 2.6.33 series, which looked at networking changes, this article examines file systems changes and changes to the kernel's storage subsystem."

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Related Stories:

• Kernel Log: Coming in 2.6.33 (Part 1) - Networking(Jan 11, 2010)
• Kernel Log: Coming in 2.6.32 (Part 5) - Architecture code, memory management, vi(Dec 01, 2009)
• Kernel Log: Coming in 2.6.32 (Part 6): Infrastructure(Nov 30, 2009)
• Kernel Log: Coming in 2.6.32 (Part 4) - Driver(Nov 25, 2009)
• Kernel Log: Coming in 2.6.32 (Part 3) - Storage(Nov 20, 2009)