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Various minor fixes, but a slightly more complex one to fix the per-cpu overload

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problem introduced recently by kvm id changes.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull module fixes and a virtio block fix from Rusty Russell:
 "Various minor fixes, but a slightly more complex one to fix the
  per-cpu overload problem introduced recently by kvm id changes."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  module: put modules in list much earlier.
  module: add new state MODULE_STATE_UNFORMED.
  module: prevent warning when finit_module a 0 sized file
  virtio-blk: Don't free ida when disk is in use
This commit is contained in:
Linus Torvalds 2013-01-20 16:44:28 -08:00
commit 226364766f
5 changed files with 122 additions and 52 deletions
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7
drivers/block/virtio_blk.c
View file

@ -889,6 +889,7 @@ static void virtblk_remove(struct virtio_device *vdev)
{
struct virtio_blk *vblk = vdev->priv;
int index = vblk->index;
int refc;
/* Prevent config work handler from accessing the device. */
mutex_lock(&vblk->config_lock);
@ -903,11 +904,15 @@ static void virtblk_remove(struct virtio_device *vdev)
flush_work(&vblk->config_work);
refc = atomic_read(&disk_to_dev(vblk->disk)->kobj.kref.refcount);
put_disk(vblk->disk);
mempool_destroy(vblk->pool);
vdev->config->del_vqs(vdev);
kfree(vblk);
ida_simple_remove(&vd_index_ida, index);
/* Only free device id if we don't have any users */
if (refc == 1)
ida_simple_remove(&vd_index_ida, index);
}
#ifdef CONFIG_PM