75 	struct floppy_state *fs;  member
103 static int swimiop_eject(struct floppy_state *fs);
111 static int grab_drive(struct floppy_state *fs, enum swim_state state,
113 static void release_drive(struct floppy_state *fs);
114 static void set_timeout(struct floppy_state *fs, int nticks,
118 static void start_request(struct floppy_state *fs);
137 	struct floppy_state *fs;  in swimiop_init()  local
166 		fs = &floppy_states[floppy_count];  in swimiop_init()
185 		fs->state = idle;  in swimiop_init()
187 		init_timer(&fs->timeout);  in swimiop_init()
275 	struct floppy_state *fs = &floppy_states[drive_num];  in swimiop_status_update()  local
277 	fs->write_prot = (ds->write_prot == 0x80);  in swimiop_status_update()
279 		fs->ejected = 1;  in swimiop_status_update()
281 		fs->ejected = 0;  in swimiop_status_update()
285 			fs->secpercyl = 10;  in swimiop_status_update()
286 			fs->secpertrack = 10;  in swimiop_status_update()
287 			fs->total_secs = 800;  in swimiop_status_update()
290 			fs->secpercyl = 20;  in swimiop_status_update()
291 			fs->secpertrack = 10;  in swimiop_status_update()
292 			fs->total_secs = 1600;  in swimiop_status_update()
295 			fs->secpercyl = 36;  in swimiop_status_update()
296 			fs->secpertrack = 18;  in swimiop_status_update()
297 			fs->total_secs = 2880;  in swimiop_status_update()
300 			fs->secpercyl = 0;  in swimiop_status_update()
301 			fs->secpertrack = 0;  in swimiop_status_update()
302 			fs->total_secs = 0;  in swimiop_status_update()
307 static int swimiop_eject(struct floppy_state *fs)  in swimiop_eject()  argument
313 	err = grab_drive(fs, ejecting, 1);  in swimiop_eject()
318 	cmd->drive_num = fs->drive_num;  in swimiop_eject()
321 		release_drive(fs);  in swimiop_eject()
333 	release_drive(fs);  in swimiop_eject()
343 	struct floppy_state *fs;  in floppy_ioctl()  local
353 	fs = &floppy_states[devnum];  in floppy_ioctl()
357 		if (fs->ref_count != 1)  in floppy_ioctl()
359 		err = swimiop_eject(fs);  in floppy_ioctl()
372 	struct floppy_state *fs;  in floppy_open()  local
381 	fs = &floppy_states[devnum];  in floppy_open()
383 	if (fs->ref_count == -1 || filp->f_flags & O_EXCL) return -EBUSY;  in floppy_open()
388 		if (fs->ejected)  in floppy_open()
393 		if (fs->write_prot)  in floppy_open()
400 		fs->ref_count = -1;  in floppy_open()
402 		++fs->ref_count;  in floppy_open()
409 	struct floppy_state *fs;  in floppy_release()  local
415 	fs = &floppy_states[devnum];  in floppy_release()
416 	if (fs->ref_count > 0) fs->ref_count--;  in floppy_release()
422 	struct floppy_state *fs;  in floppy_check_change()  local
428 	fs = &floppy_states[devnum];  in floppy_check_change()
429 	return fs->ejected;  in floppy_check_change()
434 	struct floppy_state *fs;  in floppy_revalidate()  local
440 	fs = &floppy_states[devnum];  in floppy_revalidate()
442 	grab_drive(fs, revalidating, 0);  in floppy_revalidate()
444 	release_drive(fs);  in floppy_revalidate()
453 static int grab_drive(struct floppy_state *fs, enum swim_state state,  in grab_drive()  argument
460 	if (fs->state != idle) {  in grab_drive()
461 		++fs->wanted;  in grab_drive()
462 		while (fs->state != available) {  in grab_drive()
464 				--fs->wanted;  in grab_drive()
468 			interruptible_sleep_on(&fs->wait);  in grab_drive()
470 		--fs->wanted;  in grab_drive()
472 	fs->state = state;  in grab_drive()
477 static void release_drive(struct floppy_state *fs)  in release_drive()  argument
483 	fs->state = idle;  in release_drive()
484 	start_request(fs);  in release_drive()
488 static void set_timeout(struct floppy_state *fs, int nticks,  in set_timeout()  argument
494 	if (fs->timeout_pending)  in set_timeout()
495 		del_timer(&fs->timeout);  in set_timeout()
496 	fs->timeout.expires = jiffies + nticks;  in set_timeout()
497 	fs->timeout.function = proc;  in set_timeout()
498 	fs->timeout.data = (unsigned long) fs;  in set_timeout()
499 	add_timer(&fs->timeout);  in set_timeout()
500 	fs->timeout_pending = 1;  in set_timeout()
515 	struct floppy_state *fs = req->fs;  in fd_request_complete()  local
518 	del_timer(&fs->timeout);  in fd_request_complete()
519 	fs->timeout_pending = 0;  in fd_request_complete()
520 	fs->state = idle;  in fd_request_complete()
532 	start_request(fs);  in fd_request_complete()
537 	struct floppy_state *fs = (struct floppy_state *) data;  in fd_request_timeout()  local
539 	fs->timeout_pending = 0;  in fd_request_timeout()
541 	fs->state = idle;  in fd_request_timeout()
544 static void start_request(struct floppy_state *fs)  in start_request()  argument
549 	if (fs->state == idle && fs->wanted) {  in start_request()
550 		fs->state = available;  in start_request()
551 		wake_up(&fs->wait);  in start_request()
554 	while (!QUEUE_EMPTY && fs->state == idle) {  in start_request()
567 		if (CURRENT->sector < 0 || CURRENT->sector >= fs->total_secs) {  in start_request()
575 		if (fs->ejected) {  in start_request()
581 		req.fs = fs;  in start_request()
585 			if (fs->write_prot) {  in start_request()
594 		cmd->drive_num = fs->drive_num;  in start_request()
604 		set_timeout(fs, HZ*CURRENT->current_nr_sectors,  in start_request()
607 		fs->state = transferring;  in start_request()