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Fri, 28 Mar 2025 12:43:11 -0700 (PDT) X-Relaying-Domain: purestorage.com Received: from dev-csander.dev.purestorage.com (dev-csander.dev.purestorage.com [10.7.70.37]) by c7-smtp-2023.dev.purestorage.com (Postfix) with ESMTP id 479CE3402DD; Fri, 28 Mar 2025 13:43:10 -0600 (MDT) Received: by dev-csander.dev.purestorage.com (Postfix, from userid 1557716354) id 3CDC7E40DF3; Fri, 28 Mar 2025 13:42:40 -0600 (MDT) From: Caleb Sander Mateos To: Ming Lei , Jens Axboe , Shuah Khan Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Caleb Sander Mateos Subject: [PATCH 2/2] selftests: ublk: specify io_cmd_buf pointer type Date: Fri, 28 Mar 2025 13:42:30 -0600 Message-ID: <20250328194230.2726862-3-csander@purestorage.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250328194230.2726862-1-csander@purestorage.com> References: <20250328194230.2726862-1-csander@purestorage.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Matching the ublk driver, change the type of io_cmd_buf from char * to struct ublksrv_io_desc *. Signed-off-by: Caleb Sander Mateos --- tools/testing/selftests/ublk/kublk.c | 2 +- tools/testing/selftests/ublk/kublk.h | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/ublk/kublk.c b/tools/testing/selftests= /ublk/kublk.c index 05147b53c361..83756f97c26e 100644 --- a/tools/testing/selftests/ublk/kublk.c +++ b/tools/testing/selftests/ublk/kublk.c @@ -320,11 +320,11 @@ static int ublk_queue_init(struct ublk_queue *q) q->state |=3D UBLKSRV_ZC; } =20 cmd_buf_size =3D ublk_queue_cmd_buf_sz(q); off =3D UBLKSRV_CMD_BUF_OFFSET + q->q_id * ublk_queue_max_cmd_buf_sz(); - q->io_cmd_buf =3D (char *)mmap(0, cmd_buf_size, PROT_READ, + q->io_cmd_buf =3D mmap(0, cmd_buf_size, PROT_READ, MAP_SHARED | MAP_POPULATE, dev->fds[0], off); if (q->io_cmd_buf =3D=3D MAP_FAILED) { ublk_err("ublk dev %d queue %d map io_cmd_buf failed %m\n", q->dev->dev_info.dev_id, q->q_id); goto fail; diff --git a/tools/testing/selftests/ublk/kublk.h b/tools/testing/selftests= /ublk/kublk.h index f31a5c4d4143..760ff8ffb810 100644 --- a/tools/testing/selftests/ublk/kublk.h +++ b/tools/testing/selftests/ublk/kublk.h @@ -126,11 +126,11 @@ struct ublk_queue { int q_depth; unsigned int cmd_inflight; unsigned int io_inflight; struct ublk_dev *dev; const struct ublk_tgt_ops *tgt_ops; - char *io_cmd_buf; + struct ublksrv_io_desc *io_cmd_buf; struct io_uring ring; struct ublk_io ios[UBLK_QUEUE_DEPTH]; #define UBLKSRV_QUEUE_STOPPING (1U << 0) #define UBLKSRV_QUEUE_IDLE (1U << 1) #define UBLKSRV_NO_BUF (1U << 2) @@ -300,11 +300,11 @@ static inline void ublk_mark_io_done(struct ublk_io *= io, int res) io->result =3D res; } =20 static inline const struct ublksrv_io_desc *ublk_get_iod(const struct ublk= _queue *q, int tag) { - return (struct ublksrv_io_desc *)&(q->io_cmd_buf[tag * sizeof(struct ublk= srv_io_desc)]); + return &q->io_cmd_buf[tag]; } =20 static inline void ublk_set_sqe_cmd_op(struct io_uring_sqe *sqe, __u32 cmd= _op) { __u32 *addr =3D (__u32 *)&sqe->off; --=20 2.45.2