diff options
Diffstat (limited to 'include/scsi/scsi_dh.h')
| -rw-r--r-- | include/scsi/scsi_dh.h | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/include/scsi/scsi_dh.h b/include/scsi/scsi_dh.h index 3ad2303d1a1..620c723ee8e 100644 --- a/include/scsi/scsi_dh.h +++ b/include/scsi/scsi_dh.h @@ -32,6 +32,7 @@ enum { */ SCSI_DH_DEV_FAILED, /* generic device error */ SCSI_DH_DEV_TEMP_BUSY, + SCSI_DH_DEV_UNSUPP, /* device handler not supported */ SCSI_DH_DEVICE_MAX, /* max device blkerr definition */ /* @@ -55,15 +56,38 @@ enum { SCSI_DH_DRIVER_MAX, }; #if defined(CONFIG_SCSI_DH) || defined(CONFIG_SCSI_DH_MODULE) -extern int scsi_dh_activate(struct request_queue *); +extern int scsi_dh_activate(struct request_queue *, activate_complete, void *); extern int scsi_dh_handler_exist(const char *); +extern int scsi_dh_attach(struct request_queue *, const char *); +extern void scsi_dh_detach(struct request_queue *); +extern const char *scsi_dh_attached_handler_name(struct request_queue *, gfp_t); +extern int scsi_dh_set_params(struct request_queue *, const char *); #else -static inline int scsi_dh_activate(struct request_queue *req) +static inline int scsi_dh_activate(struct request_queue *req, + activate_complete fn, void *data) { + fn(data, 0); return 0; } static inline int scsi_dh_handler_exist(const char *name) { return 0; } +static inline int scsi_dh_attach(struct request_queue *req, const char *name) +{ + return SCSI_DH_NOSYS; +} +static inline void scsi_dh_detach(struct request_queue *q) +{ + return; +} +static inline const char *scsi_dh_attached_handler_name(struct request_queue *q, + gfp_t gfp) +{ + return NULL; +} +static inline int scsi_dh_set_params(struct request_queue *req, const char *params) +{ + return -SCSI_DH_NOSYS; +} #endif |