tree 4fcb979cee830884ca0d3f9636cc70ed17b3364a
parent 6226cb0a5ea3f6289883753c15d53f48a6c6bbfb
author Josef Bacik <jbacik@redhat.com> 1238768058 -0400
committer Chris Mason <chris.mason@oracle.com> 1238768058 -0400

Btrfs: kill the pinned_mutex

This patch removes the pinned_mutex.  The extent io map has an internal tree
lock that protects the tree itself, and since we only copy the extent io map
when we are committing the transaction we don't need it there.  We also don't
need it when caching the block group since searching through the tree is also
protected by the internal map spin lock.

Signed-off-by: Josef Bacik <jbacik@redhat.com>