EXT4 In Linux 3.7 Improves Online Resizing
Written by Michael Larabel in Linux Kernel on 5 October 2012 at 04:30 PM EDT. Add A Comment
The pull request for the EXT4 file-system updates targeting the Linux 3.7 kernel were sent in on Friday afternoon by Theodore Ts'o.

The Linux 3.7 kernel is already looking quite significant and the EXT4 file-system updates for this next kernel release don't appear to disappoint. As outlined in the Git pull, there's improvements to online resizing and fixes for a number of races, some of which could have led to deadlocks with the EXT4 a-synchronous I/O and online defragmentation support. There's also various other minor bug-fixes and code clean-ups.

The online resizing improvements for EXT4 in Linux allow for resizing file-systems that are greater than 16 Terabytes in size by using the meta_bg feature. The speed of online resizing has also been accelerated regardless of file-system size.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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