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EXT4 In Linux 3.8 Brings Inline Data, Seek Hole/Data

Linux Kernel

Published on 17 December 2012 11:22 AM EST
Written by Michael Larabel in Linux Kernel
4 Comments

The EXT4 file-system pull request for the Linux 3.8 kernel has been submitted and it's bringing fixes plus introduces two new features.

The two new features for Linux 3.8 with EXT4 are Inline Data and SEEK_HOLE/SEEK_DATA support. Ted Ts'o mentions that the inline data feature allows small files or directories to be stored within the in-inode extended attribute area. This inline data assumes that the file-system uses inodes that are 256 bytes or larger.

The SEEK_HOLE/SEEK_DATA support is enabled by the extent status tree patch-set and is infrastructure that will be used to further optimize the EXT4 file-system moving forward.

The other Linux 3.8 changes for this common file-system just comes down to clean-ups and bug-fixes. The merge can be found already in Torvalds' tree.

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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