cleanup.  rename bmap_lookup_cache to bmap_lookup_cache_locked and atomic_read -> psc_atomic32_read
cleanup.  rename bmap_lookup_cache to bmap_lookup_cache_locked and atomic_read
-> psc_atomic32_read


git-svn-id: ae92b08b608af1c8cefa3e10d2325ea527204e07@10986 3eda493b-6a19-0410-b2e0-ec8ea4dd8fda

pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable