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EXT4 Gains Aggressive Extent Caching, Improved Recovery

Linux Kernel

Published on 05 September 2013 02:15 AM EDT
Written by Michael Larabel in Linux Kernel
3 Comments

Ted Ts'o has filed his EXT4 file-system changes for the Linux 3.12 kernel, which includes two new features and various other fixes/refinements for this widely-used and stable Linux file-system.

The two main items from the first EXT4 merge for Linux 3.12 include:

- Support for aggressive extent caching using the extent status tree. For end-users, Ted says this can lead to less memory usage for read-mostly workloads and improvements to asynchronous I/O.

- Improved recovery after corrupted allocation bitmaps when using the errors=ignore mount option.

There's also many other bug-fixes and other changes to find with this EXT4 file-system update for the Linux 3.12 kernel.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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