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Kernel Log: Coming in 2.6.39 (Part 2) Storage and file systems

“Various internal changes to the block layer that were
specifically mentioned by Linus Torvalds are designed to enhance
performance and scalability.

“The Ext4 file system is also said to offer improvements in this
respect. Still classified as experimental, Btrfs now offers Batched
Discard functionality, and LIO (Linux-Iscsi.org) includes a
loop-back function.”


Complete Story