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Wed, 10 Sep 2025 17:24:06 -0700 (PDT) From: Jens Axboe To: Song Liu , Yu Kuai , Li Nan , Nathan Chancellor Cc: linux-raid@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20250910-llbitmap-fix-64-div-for-32-bit-v1-1-453a5c8e3e00@kernel.org> References: <20250910-llbitmap-fix-64-div-for-32-bit-v1-1-453a5c8e3e00@kernel.org> Subject: Re: [PATCH] md/md-llbitmap: Use DIV_ROUND_UP_SECTOR_T Message-Id: <175755023939.60476.3963353529532795428.b4-ty@kernel.dk> Date: Wed, 10 Sep 2025 18:23:59 -0600 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.14.3-dev-2ce6c On Wed, 10 Sep 2025 13:47:26 -0700, Nathan Chancellor wrote: > When building for 32-bit platforms, there are several link (if builtin) > or modpost (if a module) errors due to dividends of type 'sector_t' in > DIV_ROUND_UP: > > arm-linux-gnueabi-ld: drivers/md/md-llbitmap.o: in function `llbitmap_resize': > drivers/md/md-llbitmap.c:1017:(.text+0xae8): undefined reference to `__aeabi_uldivmod' > arm-linux-gnueabi-ld: drivers/md/md-llbitmap.c:1020:(.text+0xb10): undefined reference to `__aeabi_uldivmod' > arm-linux-gnueabi-ld: drivers/md/md-llbitmap.o: in function `llbitmap_end_discard': > drivers/md/md-llbitmap.c:1114:(.text+0xf14): undefined reference to `__aeabi_uldivmod' > arm-linux-gnueabi-ld: drivers/md/md-llbitmap.o: in function `llbitmap_start_discard': > drivers/md/md-llbitmap.c:1097:(.text+0x1808): undefined reference to `__aeabi_uldivmod' > arm-linux-gnueabi-ld: drivers/md/md-llbitmap.o: in function `llbitmap_read_sb': > drivers/md/md-llbitmap.c:867:(.text+0x2080): undefined reference to `__aeabi_uldivmod' > arm-linux-gnueabi-ld: drivers/md/md-llbitmap.o:drivers/md/md-llbitmap.c:895: more undefined references to `__aeabi_uldivmod' follow > > [...] Applied, thanks! [1/1] md/md-llbitmap: Use DIV_ROUND_UP_SECTOR_T commit: 7935b843ce2184164f41c3b5c64e9f52994306f4 Best regards, -- Jens Axboe