[PATCH 1/2] scsi: target: core: Add sense reason for space allocation errors
From: Konstantin Shelekhin <hidden>
Date: 2021-10-20 18:43:39
Also in:
target-devel
Subsystem:
scsi target subsystem, the rest · Maintainers:
"Martin K. Petersen", Linus Torvalds
According to SBC-3 4.7.3.6 this sense reason shall be used in situations where thin provisioned logical unit cannot satisfy the write request due to the lack of free blocks. Signed-off-by: Konstantin Shelekhin <redacted> Reviewed-by: Dmitry Bogdanov <redacted> --- drivers/target/target_core_transport.c | 6 ++++++ include/target/target_core_base.h | 1 + 2 files changed, 7 insertions(+)
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 14c6f2bb1b01..d8261bd1cb5c 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c@@ -2025,6 +2025,7 @@ void transport_generic_request_failure(struct se_cmd *cmd, case TCM_ALUA_TG_PT_UNAVAILABLE: case TCM_ALUA_STATE_TRANSITION: case TCM_ALUA_OFFLINE: + case TCM_SPACE_ALLOCATION_FAILED: break; case TCM_OUT_OF_RESOURCES: cmd->scsi_status = SAM_STAT_TASK_SET_FULL;
@@ -3369,6 +3370,11 @@ static const struct sense_detail sense_detail_table[] = { .asc = 0x04, .ascq = ASCQ_04H_ALUA_OFFLINE, }, + [TCM_SPACE_ALLOCATION_FAILED] = { + .key = DATA_PROTECT, + .asc = 0x27, + .ascq = 0x07, /* SPACE ALLOCATION FAILED WRITE PROTECT */ + }, }; /**
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index fb11c7693b25..fe2f1c5bb1b8 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h@@ -192,6 +192,7 @@ enum tcm_sense_reason_table { TCM_ALUA_TG_PT_UNAVAILABLE = R(0x21), TCM_ALUA_STATE_TRANSITION = R(0x22), TCM_ALUA_OFFLINE = R(0x23), + TCM_SPACE_ALLOCATION_FAILED = R(0x24), #undef R };
--
2.33.0