diff options
Diffstat (limited to 'drivers/md/bcache/request.c')
| -rw-r--r-- | drivers/md/bcache/request.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index ee15fb039fd0..3bf35914bb57 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -1218,6 +1218,9 @@ static int cached_dev_ioctl(struct bcache_device *d, fmode_t mode, { struct cached_dev *dc = container_of(d, struct cached_dev, disk); + if (dc->io_disable) + return -EIO; + return __blkdev_driver_ioctl(dc->bdev, mode, cmd, arg); } |