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From: Kent Overstreet To: Phillip Lougher Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, willy@infradead.org, axboe@kernel.dk, Ming Lei Subject: Re: [PATCH 1/2] block: Rework bio_for_each_segment_all() Message-ID: References: <20230327174402.1655365-1-kent.overstreet@linux.dev> <20230327174402.1655365-2-kent.overstreet@linux.dev> <52a5bd5c-d3a1-71d7-e1e5-7965501818bd@squashfs.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <52a5bd5c-d3a1-71d7-e1e5-7965501818bd@squashfs.org.uk> X-Migadu-Flow: FLOW_OUT X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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-kernel@vger.kernel.org On Wed, Mar 29, 2023 at 05:50:27PM +0100, Phillip Lougher wrote: > There is a problem with the above code, on testing I get the following > results: > > Index 78018785329, offset 49, bvec.bv_len 1024: In same bio, metadata length > 32780 Could you share how you're doing your testing? I set up a basic test (created images using every compression type, tested reading them) and so far I'm not able to reproduce this.