FUSE seems to support private mmap as of about a year ago, discovered by Zhihui, so begin moving the section of code that disables direct I/O for executables to pscfs to eventually conditionally disable it
FUSE seems to support private mmap as of about a year ago, discovered by Zhihui, so begin moving the section of code that disables direct I/O for executables to pscfs to eventually conditionally disable it

git-svn-id: f2acecaac6fbd5a03f3d4799db58dda434111981@15465 3eda493b-6a19-0410-b2e0-ec8ea4dd8fda

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