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Petersen" , Caleb Sander Mateos Subject: [PATCH v4 04/19] ublk: set UBLK_IO_F_INTEGRITY in ublksrv_io_desc Date: Thu, 8 Jan 2026 02:19:32 -0700 Message-ID: <20260108091948.1099139-5-csander@purestorage.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20260108091948.1099139-1-csander@purestorage.com> References: <20260108091948.1099139-1-csander@purestorage.com> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Indicate to the ublk server when an incoming request has integrity data by setting UBLK_IO_F_INTEGRITY in the ublksrv_io_desc's op_flags field. Signed-off-by: Caleb Sander Mateos Reviewed-by: Ming Lei --- drivers/block/ublk_drv.c | 3 +++ include/uapi/linux/ublk_cmd.h | 2 ++ 2 files changed, 5 insertions(+) diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c index b91b2111f280..7310d8761d2b 100644 --- a/drivers/block/ublk_drv.c +++ b/drivers/block/ublk_drv.c @@ -1125,10 +1125,13 @@ static inline unsigned int ublk_req_build_flags(struct request *req) flags |= UBLK_IO_F_NOUNMAP; if (req->cmd_flags & REQ_SWAP) flags |= UBLK_IO_F_SWAP; + if (blk_integrity_rq(req)) + flags |= UBLK_IO_F_INTEGRITY; + return flags; } static blk_status_t ublk_setup_iod(struct ublk_queue *ubq, struct request *req) { diff --git a/include/uapi/linux/ublk_cmd.h b/include/uapi/linux/ublk_cmd.h index 4c141d7e4710..dfde4aee39eb 100644 --- a/include/uapi/linux/ublk_cmd.h +++ b/include/uapi/linux/ublk_cmd.h @@ -412,10 +412,12 @@ struct ublksrv_ctrl_dev_info { * * ublk server has to check this flag if UBLK_AUTO_BUF_REG_FALLBACK is * passed in. */ #define UBLK_IO_F_NEED_REG_BUF (1U << 17) +/* Request has an integrity data buffer */ +#define UBLK_IO_F_INTEGRITY (1UL << 18) /* * io cmd is described by this structure, and stored in share memory, indexed * by request tag. * -- 2.45.2