tree 4e9d3f9d0a8084ad6282965fa190200de3a91d7d
parent 409c6118d39cb2d8666bee3d61a1a9ae5bbd4f5d
author Chris Mason <chris.mason@oracle.com> 1208885206 -0400
committer Chris Mason <chris.mason@oracle.com> 1222355042 -0400

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>