Bryan Venteicher 118619ac60 Merge several virtio_blk changes from projects/virtio
The notable changes of this commit are support for disk resizing
and chases updates to the spec regarding write caching.

Contains projects/virtio commits:

r245713:
    virtio_blk: Replace __FUNCTION__ with __func__
r245714:
    virtio_blk: Use more consistent mutex name
r245715:
    virtio_blk: Print device name too if failed to reinit during dump
r245716:
    virtio_blk: Remove an unuseful ASSERT
r245723:
    virtio_blk: Record the vendor and device information
r245724:
    virtio_blk: Add resize support
r245726:
    virtio_blk: More verbose ASSERT messages
r245730:
    virtio_blk: Tweak resize announcement message
r246061:
    virtio_blk: Do not always read entire config
r246062:
    virtio_blk: Use topology to set the stripe size/offset
r246307:
    virtio_blk: Correct stripe offset calculation
r246063:
    virtio_blk: Add support for write cache enable feature
r246303:
    virtio_blk: Expand a comment
r252529:
    virtio_blk: Improve write cache handling
r252681:
    virtio_blk: Remove unneeded curly braces

MFC after:	1 month
2013-07-04 17:53:02 +00:00
..
2013-05-24 14:57:38 +00:00
2013-06-30 19:33:07 +00:00