From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
Make sure that IBLOCK only attempts to use backend DIF emulation
when it's actually enabled at device level.
Cc: Martin Petersen <martin.petersen@xxxxxxxxxx>
Cc: Sagi Grimberg <sagig@xxxxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
---
drivers/target/target_core_iblock.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 2520cbf..1b7947c 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -774,7 +774,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
sg_num--;
}
- if (cmd->prot_type) {
+ if (cmd->prot_type && dev->dev_attrib.pi_prot_type) {
int rc = iblock_alloc_bip(cmd, bio_start);
if (rc)
goto fail_put_bios;
--
1.9.1
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