Fix btrfs_get_extent and get_block corner cases, and disable O_DIRECT reads

The generic O_DIRECT code assumes all the bios have the same bdev,
which isn't true for multi-device btrfs.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
3 files changed
tree: 4e9d3f9d0a8084ad6282965fa190200de3a91d7d
  1. fs/