Among the pull requests merged today on this first day of the Linux 7.0 merge window are the many Btrfs file-system feature updates.
David Sterba sent in the Btrfs feature pull in advance of the Linux 6.19 stable release and thus among the early merges for kicking off the Linux 7.0 cycle. There aren’t any noted performance optimizations specifically this cycle but a lot of other feature work some of which may help performance like enabling direct I/O for larger block sizes when greater than the kernel’s page size.
In addition to now enabling direct I/O when using block sizes larger than the page size, Btrfs in Linux 7.0 now falls back to buffered I/O when the data profile has duplication, various TRIM fixes, zoned mode fixes, making use of the kernel’s crypto library API…