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path: root/drivers/ide/ide-floppy_ioctl.c
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Diffstat (limited to 'drivers/ide/ide-floppy_ioctl.c')
-rw-r--r--drivers/ide/ide-floppy_ioctl.c54
1 files changed, 52 insertions, 2 deletions
diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c
index 9723ed9..a3a7a08 100644
--- a/drivers/ide/ide-floppy_ioctl.c
+++ b/drivers/ide/ide-floppy_ioctl.c
@@ -223,8 +223,26 @@ 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,
- unsigned int cmd, void __user *argp)
+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) {
case IDEFLOPPY_IOCTL_FORMAT_SUPPORTED:
@@ -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;
+}
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