F2FS Sees An Assortment Of File-System Improvements With Linux 4.16
Written by Michael Larabel in Linux Storage on 31 January 2018 at 12:05 AM EST. 10 Comments
LINUX STORAGE --
With each Linux kernel cycle the F2FS file-system that has been part of the mainline kernel now for five years, this "Flash-Friendly File-System" gets a bit more mature and featureful.

F2FS again has seen more feature work and other improvements queued for Linux 4.16. This cycle seems somewhat like a random assortment of improvements for this file-system designed for SSDs and other flash-based storage devices.

F2FS now has improvements around supporting write hints for direct I/O, readahead support to improve the read directory speed, reserve_root/resuid/resgid options for reserving blocks, support for cgroup writeback, support for handling the inode creation time, and implementing other bits around pre-cache extents and other attributes.

F2FS for Linux 4.16 also has fixes around memory footprint accounting, sysfs-based quota operations, deadlock fixes, and other corrections.

The complete list of F2FS changes for the Linux 4.16 merge window can be found via this pull request. Once the 4.16 merge window is over I'll be doing our usual Linux file-system benchmark comparisons on Phoronix.

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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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