diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 73994e2ac2cb73e3636042945511735bbb17a13f..dae4f08adde08070c8f5394695e4431208db2a1f 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -719,6 +719,24 @@ void scsi_init_cmd_from_req(struct scsi_cmnd *cmd, struct scsi_request *sreq) */ static DEFINE_PER_CPU(struct list_head, scsi_done_q); +/** + * scsi_req_abort_cmd -- Request command recovery for the specified command + * cmd: pointer to the SCSI command of interest + * + * This function requests that SCSI Core start recovery for the + * command by deleting the timer and adding the command to the eh + * queue. It can be called by either LLDDs or SCSI Core. LLDDs who + * implement their own error recovery MAY ignore the timeout event if + * they generated scsi_req_abort_cmd. + */ +void scsi_req_abort_cmd(struct scsi_cmnd *cmd) +{ + if (!scsi_delete_timer(cmd)) + return; + scsi_times_out(cmd); +} +EXPORT_SYMBOL(scsi_req_abort_cmd); + /** * scsi_done - Enqueue the finished SCSI command into the done queue. * @cmd: The SCSI Command for which a low-level device driver (LLDD) gives diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 1ace1b9fe537328e41f9e369fa51c7cdcbd96e1a..88c6c4da6c054d0d7b5b1a9dedff6a540e7a3be9 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -151,5 +151,6 @@ extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t); extern void scsi_put_command(struct scsi_cmnd *); extern void scsi_io_completion(struct scsi_cmnd *, unsigned int, unsigned int); extern void scsi_finish_command(struct scsi_cmnd *cmd); +extern void scsi_req_abort_cmd(struct scsi_cmnd *cmd); #endif /* _SCSI_SCSI_CMND_H */