UBIFS Gets Statx Support, Better Encryption In Linux 4.13
Written by Michael Larabel in Linux Kernel on 15 July 2017 at 10:52 AM EDT. 4 Comments
The Linux 4.13 kernel changes for the UBIFS file-system have been submitted.

UBIFS, as a reminder, is the Unsorted Block Image File-System deigned for flash memory devices off the UBI layer. UBIFS in Linux 4.10 gained file-encryption support making use of the fscrypt functionality used as well by F2FS and EXT4. With Linux 4.13, there are UBIFS related encryption updates and fixes.

Besides the file encryption support, UBIFS in Linux 4.13 now has statx support. Statx is the new syscall for enhanced file information like being able to return a file's creation time, data version number, and other attributes on capable file-systems. EXT4 was first with statx support while F2FS and Btrfs in Linux 4.13 added support and now UBIFS. Among the exposed attributes in UBIFS' case is append, compressed, encrypted, and immutable states.

There are also various fixes for UBIFS in Linux 4.13. The list of these changes can be found from 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 20,000 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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