tree 794cb0e7269c62568e39c160b0f0f03e181c1d93
parent e34a5b4f77b8448cf2863ad0cbac35e2c2a86a0a
author Chris Mason <chris.mason@oracle.com> 1216782401 -0400
committer Chris Mason <chris.mason@oracle.com> 1222355045 -0400

Btrfs: alloc_mutex latency reduction

This releases the alloc_mutex in a few places that hold it for over long
operations.  btrfs_lookup_block_group is changed so that it doesn't need
the mutex at all.

Signed-off-by: Chris Mason <chris.mason@oracle.com>