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e5b0d7da94
A userland application can now operate on the char device with read() in order to consume a locally held buffer. Memory for the buffer is to be provisioned and the buffer populated in its subsequently provided write() counterpart. Signed-off-by: Lee Jones <lee@kernel.org> Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org> Co-developed-by: Alice Ryhl <aliceryhl@google.com> Signed-off-by: Alice Ryhl <aliceryhl@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20250822-iov-iter-v5-5-6ce4819c2977@google.com