tree 801697e69b202721e861ab33d78d7f3bcb6235c5
parent 39f9d028c9906cc7b625df84442205f6bcc84477
author Liu Bo <bo.li.liu@oracle.com> 1356598883 +0000
committer Josef Bacik <jbacik@fusionio.com> 1361371038 -0500

Btrfs: record first logical byte in memory

This'd save us a rbtree search which may become expensive in large filesystem.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>