XFS Changes Filed For The Linux 4.11 Kernel
Written by Michael Larabel in Linux Kernel on 21 February 2017 at 05:42 PM EST. 1 Comment
The XFS file-system updates have been submitted for the Linux 4.11 merge window.

While some recent kernel releases have brought a fair amount of feature work, with Linux 4.11 it's mostly maintenance updates to the XFS file-system driver code-base.

Darrick Wong in taking over the XFS maintainership role wrote on the kernel mailing list the changes that will be found in Linux 4.11:
- Various cleanups
- Livelock fixes for eofblocks scanning
- Improved input verification for on-disk metadata
- Fix races in the copy on write remap mechanism
- Fix buffer io error timeout controls
- Streamlining of directio copy on write
- Asynchronous discard support
- Fix asserts when splitting delalloc reservations
- Don't bloat bmbt when right shifting extents
- Inode alignment fixes for 32k block sizes
So about the most exciting XFS work this round looks to be the async discard support and streamlining of direct I/O copy-on-write.
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