ide-floppy: move all ioctl handling to ide-floppy_ioctl.c (take 2)

While at it:
- idefloppy_ioctl() -> ide_floppy_ioctl()

v2:
Fix for idefloppy_ioctl name change from Stephen Rothwell.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide-floppy.c

@@ -765,56 +765,6 @@ static int idefloppy_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	return 0;
 }
 
-static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc,
-			       unsigned long arg, unsigned int cmd)
-{
-	idefloppy_floppy_t *floppy = drive->driver_data;
-	struct gendisk *disk = floppy->disk;
-	int prevent = (arg && cmd != CDROMEJECT) ? 1 : 0;
-
-	if (floppy->openers > 1)
-		return -EBUSY;
-
-	ide_set_media_lock(drive, disk, prevent);
-
-	if (cmd == CDROMEJECT)
-		ide_do_start_stop(drive, disk, 2);
-
-	return 0;
-}
-
-static int idefloppy_ioctl(struct inode *inode, struct file *file,
-			unsigned int cmd, unsigned long arg)
-{
-	struct block_device *bdev = inode->i_bdev;
-	struct ide_floppy_obj *floppy = ide_drv_g(bdev->bd_disk,
-						     ide_floppy_obj);
-	ide_drive_t *drive = floppy->drive;
-	struct ide_atapi_pc pc;
-	void __user *argp = (void __user *)arg;
-	int err;
-
-	if (cmd == CDROMEJECT || cmd == CDROM_LOCKDOOR)
-		return ide_floppy_lockdoor(drive, &pc, arg, cmd);
-
-	err = ide_floppy_format_ioctl(drive, file, cmd, argp);
-	if (err != -ENOTTY)
-		return err;
-
-	/*
-	 * skip SCSI_IOCTL_SEND_COMMAND (deprecated)
-	 * and CDROM_SEND_PACKET (legacy) ioctls
-	 */
-	if (cmd != CDROM_SEND_PACKET && cmd != SCSI_IOCTL_SEND_COMMAND)
-		err = scsi_cmd_ioctl(file, bdev->bd_disk->queue,
-					bdev->bd_disk, cmd, argp);
-
-	if (err == -ENOTTY)
-		err = generic_ide_ioctl(drive, file, bdev, cmd, arg);
-
-	return err;
-}
-
 static int idefloppy_media_changed(struct gendisk *disk)
 {
 	struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj);
@@ -842,7 +792,7 @@ static struct block_device_operations idefloppy_ops = {
 	.owner			= THIS_MODULE,
 	.open			= idefloppy_open,
 	.release		= idefloppy_release,
-	.ioctl			= idefloppy_ioctl,
+	.ioctl			= ide_floppy_ioctl,
 	.getgeo			= idefloppy_getgeo,
 	.media_changed		= idefloppy_media_changed,
 	.revalidate_disk	= idefloppy_revalidate_disk

drivers/ide/ide-floppy.h

@@ -50,7 +50,6 @@ void ide_floppy_create_mode_sense_cmd(struct ide_atapi_pc *, u8);
 void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *);
 
 /* ide-floppy_ioctl.c */
-int ide_floppy_format_ioctl(ide_drive_t *, struct file *, unsigned int,
-			    void __user *);
+int ide_floppy_ioctl(struct inode *, struct file *, unsigned, unsigned long);
 
 #endif /*__IDE_FLOPPY_H */

drivers/ide/ide-floppy_ioctl.c

@@ -223,7 +223,25 @@ static int ide_floppy_get_format_progress(ide_drive_t *drive, int __user *arg)
 	return 0;
 }
 
-int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file,
+static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc,
+			       unsigned long arg, unsigned int cmd)
+{
+	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct gendisk *disk = floppy->disk;
+	int prevent = (arg && cmd != CDROMEJECT) ? 1 : 0;
+
+	if (floppy->openers > 1)
+		return -EBUSY;
+
+	ide_set_media_lock(drive, disk, prevent);
+
+	if (cmd == CDROMEJECT)
+		ide_do_start_stop(drive, disk, 2);
+
+	return 0;
+}
+
+static int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file,
 				   unsigned int cmd, void __user *argp)
 {
 	switch (cmd) {
@@ -241,3 +259,35 @@ int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file,
 		return -ENOTTY;
 	}
 }
+
+int ide_floppy_ioctl(struct inode *inode, struct file *file,
+		    unsigned int cmd, unsigned long arg)
+{
+	struct block_device *bdev = inode->i_bdev;
+	struct ide_floppy_obj *floppy = ide_drv_g(bdev->bd_disk,
+						     ide_floppy_obj);
+	ide_drive_t *drive = floppy->drive;
+	struct ide_atapi_pc pc;
+	void __user *argp = (void __user *)arg;
+	int err;
+
+	if (cmd == CDROMEJECT || cmd == CDROM_LOCKDOOR)
+		return ide_floppy_lockdoor(drive, &pc, arg, cmd);
+
+	err = ide_floppy_format_ioctl(drive, file, cmd, argp);
+	if (err != -ENOTTY)
+		return err;
+
+	/*
+	 * skip SCSI_IOCTL_SEND_COMMAND (deprecated)
+	 * and CDROM_SEND_PACKET (legacy) ioctls
+	 */
+	if (cmd != CDROM_SEND_PACKET && cmd != SCSI_IOCTL_SEND_COMMAND)
+		err = scsi_cmd_ioctl(file, bdev->bd_disk->queue,
+					bdev->bd_disk, cmd, argp);
+
+	if (err == -ENOTTY)
+		err = generic_ide_ioctl(drive, file, bdev, cmd, arg);
+
+	return err;
+}