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On ZFS `copy_file_range()` and `sendfile()` fail for some reason, so add `EINVAL` to the list of error codes for which the code will fall back to a slower implementation. While we are at it, add all the error codes from https://go.dev/src/internal/poll/copy_file_range_linux.go for different filesystems and older kernel versions to the list of error codes from `copy_file_range()`. Without this, the cache defragmentation and the test testing it (`test_disk_cache`) fail with the error message "Failed to copy data to new disk cache file during defrag: Invalid argument" when the cache directory is stored on ZFS. Perhaps this is caused by me running ZFS 2.1.2 on Linux 5.16.0, which is not a supported combination. This ZFS version is only "compatible with 3.10 - 5.15 kernels" according to the release notes. Or maybe it's just not implemented. To reproduce the problem, execute `KITTY_CACHE_DIRECTORY=/path/to/zfs python3 test.py` with `KITTY_CACHE_DIRECTORY` pointing to a directory on ZFS.
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