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On Friday Torvalds commented that if the code has all the reviews/acknowledgements and will be maintained, the developers involved should issue a pull request to him. Stemming from the discussion with VirtualBox shared folder patches taking a half-year with no action by the Linux file-system mailing list until sending straight to Linus Torvalds, it looks like NTFS3 has been in a similar situation.
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It looks like the problem is just no one, or particularly the Paragon developers, not going straight to Linus Torvalds to submit a pull request for adding this new NTFS driver.
PARAGON NTFS DRIVER
Recent kernel cycles including the Linux 5.14 merge window that ended last week though hasn't seen this new driver submitted. Even early on the code fundamentally has been better than the existing NTFS kernel driver and following all of the upstream code review the quality is in a state where it should be able to be mainlined in the Linux kernel assuming Paragon Software is still willing to maintain the code. Over the past year the new NTFS driver has gone through many rounds of review and got into quite good shape. It looks like this driver might finally be mainlined soon. The Paragon "NTFS3" kernel driver provides much better read/write support for Microsoft's NTFS file-system than what is available with other kernel or FUSE options for this file-system support on Linux. One year ago was the surprise of Paragon Software wanting to mainline their NTFS Linux kernel driver.
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