On Sat, 21 Jun 2025 11:10:14 -0600, Caleb Sander Mateos wrote: > UBLK_F_SUPPORT_ZERO_COPY has a very old comment describing the initial > idea for how zero-copy would be implemented. The actual implementation > added in commit 1f6540e2aabb ("ublk: zc register/unregister bvec") uses > io_uring registered buffers rather than shared memory mapping. > Remove the inaccurate remarks about mapping ublk request memory into the > ublk server's address space and requiring 4K block size. Replace them > with a description of the current zero-copy mechanism. > > [...] Applied, thanks! [1/1] ublk: update UBLK_F_SUPPORT_ZERO_COPY comment in UAPI header commit: c770c2e2b53b468d5eb124e7daabdb4a8471f442 Best regards, -- Jens Axboe