Do I need to roll my own caching?

[lostmsu]

I have an immutable virtual file system (FileSystemFeatures.ReadOnlyVolume), whose content never changes. All write-related calls return either AccessDenied or NotImplemented. And yet it does not seem that Windows is doing any kind of read caching, and all read calls go directly to my FS.

Some of my read operations are pretty expensive. Should I roll my own caching? Does Windows provide any block cache service I could tap into?

[Liryna]

Please see #1161 - Yes you will need to build your own cache.
#1047 could avoid having too but that far more complicated.