216 static int st_compression(struct scsi_tape *, int);
218 static int find_partition(struct scsi_tape *);
219 static int switch_partition(struct scsi_tape *);
221 static int st_int_ioctl(struct scsi_tape *, unsigned int, unsigned long);
225 #define to_scsi_tape(obj) container_of(obj, struct scsi_tape, kref)
243 static struct scsi_tape *scsi_tape_get(int dev)  in scsi_tape_get()
245 	struct scsi_tape *STp = NULL;  in scsi_tape_get()
272 static void scsi_tape_put(struct scsi_tape *STp)  in scsi_tape_put()
357 static int st_chk_result(struct scsi_tape *STp, struct st_request * SRpnt)  in st_chk_result()
451 static struct st_request *st_allocate_request(struct scsi_tape *stp)  in st_allocate_request()
475 static void st_do_stats(struct scsi_tape *STp, struct request *req)  in st_do_stats()
522 	struct scsi_tape *STp = SRpnt->stp;  in st_scsi_execute_end()
548 	struct scsi_tape *STp = SRpnt->stp;  in st_scsi_execute()
597 st_do_scsi(struct st_request * SRpnt, struct scsi_tape * STp, unsigned char *cmd,  in st_do_scsi()
666 static int write_behind_check(struct scsi_tape * STp)  in write_behind_check()
730 static int cross_eof(struct scsi_tape * STp, int forward)  in cross_eof()
766 static int st_flush_write_buffer(struct scsi_tape * STp)  in st_flush_write_buffer()
833 static int flush_buffer(struct scsi_tape *STp, int seek_next)  in flush_buffer()
885 static int set_mode_densblk(struct scsi_tape * STp, struct st_modedef * STm)  in set_mode_densblk()
919 static int do_door_lock(struct scsi_tape * STp, int do_lock)  in do_door_lock()
936 static void reset_state(struct scsi_tape *STp)  in reset_state()
968 static int test_ready(struct scsi_tape *STp, int do_wait)  in test_ready()
1042 static int check_tape(struct scsi_tape *STp, struct file *filp)  in check_tape()
1253 	struct scsi_tape *STp;  in st_open()
1348 	struct scsi_tape *STp = filp->private_data;  in st_flush()
1461 	struct scsi_tape *STp = filp->private_data;  in st_release()
1477 static ssize_t rw_checks(struct scsi_tape *STp, struct file *filp, size_t count)  in rw_checks()
1545 static int setup_buffering(struct scsi_tape *STp, const char __user *buf,  in setup_buffering()
1607 static void release_buffering(struct scsi_tape *STp, int is_read)  in release_buffering()
1632 	struct scsi_tape *STp = filp->private_data;  in st_write()
1901 static long read_tape(struct scsi_tape *STp, long count,  in read_tape()
2104 	struct scsi_tape *STp = filp->private_data;  in st_read()
2246 static void st_log_options(struct scsi_tape * STp, struct st_modedef * STm)  in DEB()
2275 static int st_set_options(struct scsi_tape *STp, long options)
2478 static int read_mode_page(struct scsi_tape *STp, int page, int omit_block_descs)  in read_mode_page()
2503 static int write_mode_page(struct scsi_tape *STp, int page, int slow)  in write_mode_page()
2552 static int st_compression(struct scsi_tape * STp, int state)  in st_compression()
2603 static int do_load_unload(struct scsi_tape *STp, struct file *filp, int load_code)  in do_load_unload()
2677 static void deb_space_print(struct scsi_tape *STp, int direction, char *units, unsigned char *cmd)  in deb_space_print()
2693 static void deb_space_print(struct scsi_tape *STp, int direction, char *units, unsigned char *cmd) …  in deb_space_print()
2698 static int st_int_ioctl(struct scsi_tape *STp, unsigned int cmd_in, unsigned long arg)  in st_int_ioctl()
3104 static int get_location(struct scsi_tape *STp, unsigned int *block, int *partition,  in get_location()
3164 static int set_location(struct scsi_tape *STp, unsigned int block, int partition,  in set_location()
3266 static int find_partition(struct scsi_tape *STp)  in find_partition()
3280 static int switch_partition(struct scsi_tape *STp)  in switch_partition()
3311 static int nbr_partitions(struct scsi_tape *STp)  in nbr_partitions()
3333 static int format_medium(struct scsi_tape *STp, int format)  in format_medium()
3377 static int partition_tape(struct scsi_tape *STp, int size)  in partition_tape()
3509 	struct scsi_tape *STp = file->private_data;  in st_ioctl()
4161 static int create_one_cdev(struct scsi_tape *tape, int mode, int rew)  in create_one_cdev()
4214 static int create_cdevs(struct scsi_tape *tape)  in create_cdevs()
4230 static void remove_cdevs(struct scsi_tape *tape)  in remove_cdevs()
4248 	struct scsi_tape *tpnt = NULL;  in st_probe()
4276 	tpnt = kzalloc(sizeof(struct scsi_tape), GFP_KERNEL);  in st_probe()
4400 	struct scsi_tape *tpnt = dev_get_drvdata(dev);  in st_remove()
4426 	struct scsi_tape *tpnt = to_scsi_tape(kref);  in scsi_tape_release()
4621 	struct scsi_tape *STp = STm->tape;  in options_show()