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a=openpgp-sha256; l=1569; i=k.jensen@samsung.com; h=from:subject; bh=os38Xj7WvGjGVhRwSYDfcy2fhOw5hCYLx7/Yt8fjVCE=; b=owJ4nAFtAZL+kA0DAAoBTeGvMW1PDekByyZiAGQhzdfszkCtHrXR+/QqeCQCUCMCKax3wsRGO 0LktljCMWcGb4kBMwQAAQoAHRYhBFIoM6p14tzmokdmwE3hrzFtTw3pBQJkIc3XAAoJEE3hrzFt Tw3pdqIH/3GRRekT52TYOdKdCNJaTi//ytIi1hhsqvR0H080A1XXfiIRjjhS93KopYrlu8AUPp5 L511YfsPUyeM4fM94GkvsegpClgPcqIVTGIlG2aYL2wDLMamlxEewZRZs/1Jm3Ws8WjrtDkKiJ0 UlayeQNNhud9Q6l4b8V8TOdm6VOSBDjQWbLUEKkjqymE2jIXaKsTSu6kv+PHKWMWkoZlMFqgr/m 4DjR3bnA8FcgI6qW/5CkYj50Q1k/u/vLnmrPVoLhTs0tn0yUz4ftc2KUoP+oAj2mTBOZvMb8dZB PhYEez/LLUYEFeCdfs6/U43BKulv8nHTdk+kKa7LsjvJe57N8//wJab4 X-Developer-Key: i=k.jensen@samsung.com; a=openpgp; fpr=DDCA4D9C9EF931CC3468427263D56FC5E55DA838 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=64.147.123.19; envelope-from=its@irrelevant.dk; helo=wout3-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1679937035141100003 Content-Type: text/plain; charset="utf-8" From: Klaus Jensen Even if the host is somehow using compare to do compare-and-write, the host should be notified immediately about the compare failure and not have to wait for the driver to potentially retry the command. Fixes: 0a384f923f51 ("hw/block/nvme: add compare command") Reported-by: Jim Harris Signed-off-by: Klaus Jensen --- hw/nvme/ctrl.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index 291009545f03..8b7be1420912 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -2378,7 +2378,7 @@ static void nvme_compare_mdata_cb(void *opaque, int r= et) =20 for (bufp =3D buf; mbufp < end; bufp +=3D ns->lbaf.ms, mbufp +=3D = ns->lbaf.ms) { if (memcmp(bufp + pil, mbufp + pil, ns->lbaf.ms - pil)) { - req->status =3D NVME_CMP_FAILURE; + req->status =3D NVME_CMP_FAILURE | NVME_DNR; goto out; } } @@ -2387,7 +2387,7 @@ static void nvme_compare_mdata_cb(void *opaque, int r= et) } =20 if (memcmp(buf, ctx->mdata.bounce, ctx->mdata.iov.size)) { - req->status =3D NVME_CMP_FAILURE; + req->status =3D NVME_CMP_FAILURE | NVME_DNR; goto out; } =20 @@ -2436,7 +2436,7 @@ static void nvme_compare_data_cb(void *opaque, int re= t) } =20 if (memcmp(buf, ctx->data.bounce, ctx->data.iov.size)) { - req->status =3D NVME_CMP_FAILURE; + req->status =3D NVME_CMP_FAILURE | NVME_DNR; goto out; } =20 --=20 2.39.2