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To: Cedric Blancher Cc: Linux NFS Mailing List Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Sun, 19 Nov 2023 09:56:07 -0800 (PST) Hi, On Sun, Nov 19, 2023 at 12:38=E2=80=AFPM Cedric Blancher wrote: > > Good evening! > > How does READ_PLUS differ from READ? Has anyone made a simpler > presentation (PowerPoint slides) than the RFCs? No slides, but at a high level READ_PLUS can compress out long ranges of zeroes in a read reply by returning a HOLE segment instead of the actual zeroes. It's perfectly valid for the server to skip the zero detection and return everything as a data segment, however. Anna > > Ced > -- > Cedric Blancher > [https://plus.google.com/u/0/+CedricBlancher/] > Institute Pasteur