EXT4 For Linux 4.12 Gets GETFSMAP Support, Performance Improvements
Written by Michael Larabel in Linux Kernel on 7 May 2017 at 09:55 PM EDT. Add A Comment
LINUX KERNEL --
Ted Ts'o has sent in the EXT4 file-system updates targeting the Linux 4.12 kernel merge window.

First up as a new feature for EXT4 is support for the new GETFSMAP ioctl. This comes just after XFS getting GETFSMAP support too for the Linux 4.12 kernel; see that earlier article for more details on this new capability for Linux file-systems.

EXT4 in Linux 4.12 has also received some performance improvements for very large file-systems and for random write workloads into a pre-allocated file. As usual, there are also bug fixes and code clean-ups.

More details on these EXT4 file-system updates for the 4.12 kernel via this pull request.
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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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