fix shadowing, free -> PSCFREE, use SPLAY_XREMOVE in a few places where it is OK, and simplify mds_bmapod_dump()
fix shadowing, free -> PSCFREE, use SPLAY_XREMOVE in a few places where it is OK, and simplify mds_bmapod_dump()

git-svn-id: ae92b08b608af1c8cefa3e10d2325ea527204e07@8350 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