diff options
| -rw-r--r-- | block/blk-core.c | 3 | ||||
| -rw-r--r-- | drivers/scsi/scsi_error.c | 7 | ||||
| -rw-r--r-- | drivers/scsi/scsi_lib.c | 5 | ||||
| -rw-r--r-- | include/scsi/scsi.h | 1 |
4 files changed, 15 insertions, 1 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 93a18d1..68ce4d5 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -2318,6 +2318,9 @@ bool blk_update_request(struct request *req, int error, unsigned int nr_bytes) case -ETIMEDOUT: error_type = "timeout"; break; + case -ENOSPC: + error_type = "critical space allocation"; + break; case -EIO: default: error_type = "I/O"; diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 7be5229..1b1298c 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -354,11 +354,16 @@ static int scsi_check_sense(struct scsi_cmnd *scmd) return SUCCESS; /* these are not supported */ + case DATA_PROTECT: + if (sshdr.asc == 0x27 && sshdr.ascq == 0x07) { + /* Thin provisioning hard threshold reached */ + set_host_byte(scmd, DID_ALLOC_FAILURE); + return SUCCESS; + } case COPY_ABORTED: case VOLUME_OVERFLOW: case MISCOMPARE: case BLANK_CHECK: - case DATA_PROTECT: set_host_byte(scmd, DID_TARGET_FAILURE); return SUCCESS; diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index e2af8ae..49020d5 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -726,6 +726,7 @@ EXPORT_SYMBOL(scsi_release_buffers); * -ENOLINK temporary transport failure * -EREMOTEIO permanent target failure, do not retry * -EBADE permanent nexus failure, retry on other path + * -ENOSPC No write space available * -EIO unspecified I/O error */ static int __scsi_error_from_host_byte(struct scsi_cmnd *cmd, int result) @@ -744,6 +745,10 @@ static int __scsi_error_from_host_byte(struct scsi_cmnd *cmd, int result) set_host_byte(cmd, DID_OK); error = -EBADE; break; + case DID_ALLOC_FAILURE: + set_host_byte(cmd, DID_OK); + error = -ENOSPC; + break; default: error = -EIO; break; diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h index e4cd3e9..d0387d8 100644 --- a/include/scsi/scsi.h +++ b/include/scsi/scsi.h @@ -457,6 +457,7 @@ static inline int scsi_is_wlun(unsigned int lun) * other paths */ #define DID_NEXUS_FAILURE 0x11 /* Permanent nexus failure, retry on other * paths might yield different results */ +#define DID_ALLOC_FAILURE 0x12 /* Space allocation on the device failed */ #define DRIVER_OK 0x00 /* Driver status */ /* |
