diff options
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/virtio_blk.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 108ebb43ed51..cadf9bba1b6b 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -546,6 +546,8 @@ static void __devexit virtblk_remove(struct virtio_device *vdev) { struct virtio_blk *vblk = vdev->priv; int index = vblk->index; + struct virtblk_req *vbr; + unsigned long flags; /* Prevent config work handler from accessing the device. */ mutex_lock(&vblk->config_lock); @@ -558,6 +560,15 @@ static void __devexit virtblk_remove(struct virtio_device *vdev) flush_work(&vblk->config_work); del_gendisk(vblk->disk); + + /* Abort requests dispatched to driver. */ + spin_lock_irqsave(&vblk->lock, flags); + while ((vbr = virtqueue_detach_unused_buf(vblk->vq))) { + __blk_end_request_all(vbr->req, -EIO); + mempool_free(vbr, vblk->pool); + } + spin_unlock_irqrestore(&vblk->lock, flags); + blk_cleanup_queue(vblk->disk->queue); put_disk(vblk->disk); mempool_destroy(vblk->pool); |