From: Christoph Hellwig <hch@lst.de>
Date: Mon, 12 Dec 2022 14:20:56 +0000 (+0100)
Subject: nvmet: set the LBCC bit for commands that modify data
X-Git-Tag: Ubuntu-6.2.0-16.16~1202^2^2~4
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=f2d1421391bba0b15684d2379a47a089f0e561d0;p=mirror_ubuntu-kernels.git

nvmet: set the LBCC bit for commands that modify data

Write, Write Zeroes, Zone append and a Zone Reset through
Zone Management Send modify the logical block content of a namespace,
so make sure the LBCC bit is reported for them.

Fixes: b5d0b38c0475 ("nvmet: add Command Set Identifier support")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Kanchan Joshi <joshi.k@samsung.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
---

diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index 111a5cb6403f..6a54ed6fb121 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -174,17 +174,19 @@ static void nvmet_get_cmd_effects_nvm(struct nvme_effects_log *log)
 		cpu_to_le32(NVME_CMD_EFFECTS_CSUPP);
 
 	log->iocs[nvme_cmd_read] =
-	log->iocs[nvme_cmd_write] =
 	log->iocs[nvme_cmd_flush] =
 	log->iocs[nvme_cmd_dsm]	=
-	log->iocs[nvme_cmd_write_zeroes] =
 		cpu_to_le32(NVME_CMD_EFFECTS_CSUPP);
+	log->iocs[nvme_cmd_write] =
+	log->iocs[nvme_cmd_write_zeroes] =
+		cpu_to_le32(NVME_CMD_EFFECTS_CSUPP | NVME_CMD_EFFECTS_LBCC);
 }
 
 static void nvmet_get_cmd_effects_zns(struct nvme_effects_log *log)
 {
 	log->iocs[nvme_cmd_zone_append] =
 	log->iocs[nvme_cmd_zone_mgmt_send] =
+		cpu_to_le32(NVME_CMD_EFFECTS_CSUPP | NVME_CMD_EFFECTS_LBCC);
 	log->iocs[nvme_cmd_zone_mgmt_recv] =
 		cpu_to_le32(NVME_CMD_EFFECTS_CSUPP);
 }