diff options
Diffstat (limited to 'include/scsi')
| -rw-r--r-- | include/scsi/scsi_cmnd.h | 2 | ||||
| -rw-r--r-- | include/scsi/scsi_device.h | 1 | ||||
| -rw-r--r-- | include/scsi/scsi_status.h | 12 |
3 files changed, 8 insertions, 7 deletions
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index bac55decf900..7d3622db38ed 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -201,7 +201,7 @@ static inline unsigned int scsi_get_resid(struct scsi_cmnd *cmd) for_each_sg(scsi_sglist(cmd), sg, nseg, __i) static inline int scsi_sg_copy_from_buffer(struct scsi_cmnd *cmd, - void *buf, int buflen) + const void *buf, int buflen) { return sg_copy_from_buffer(scsi_sglist(cmd), scsi_sg_count(cmd), buf, buflen); diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index 2493bd65351a..c36656d8ac6c 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -231,6 +231,7 @@ struct scsi_device { atomic_t iorequest_cnt; atomic_t iodone_cnt; atomic_t ioerr_cnt; + atomic_t iotmo_cnt; struct device sdev_gendev, sdev_dev; diff --git a/include/scsi/scsi_status.h b/include/scsi/scsi_status.h index 31d30cee1869..9cb85262de64 100644 --- a/include/scsi/scsi_status.h +++ b/include/scsi/scsi_status.h @@ -62,12 +62,12 @@ enum scsi_host_status { * recover the link. Transport class will * retry or fail IO */ DID_TRANSPORT_FAILFAST = 0x0f, /* Transport class fastfailed the io */ - DID_TARGET_FAILURE = 0x10, /* Permanent target failure, do not retry on - * other paths */ - DID_NEXUS_FAILURE = 0x11, /* Permanent nexus failure, retry on other - * paths might yield different results */ - DID_ALLOC_FAILURE = 0x12, /* Space allocation on the device failed */ - DID_MEDIUM_ERROR = 0x13, /* Medium error */ + /* + * We used to have DID_TARGET_FAILURE, DID_NEXUS_FAILURE, + * DID_ALLOC_FAILURE and DID_MEDIUM_ERROR at 0x10 - 0x13. For compat + * with userspace apps that parse the host byte for SG IO, we leave + * that block of codes unused and start at 0x14 below. + */ DID_TRANSPORT_MARGINAL = 0x14, /* Transport marginal errors */ }; |