DragonFly kernel List (threaded) for 2003-07
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Re: dynamic /bin /sbin
I should add, the complexity of what I am proposing here is one of
the reasons why such VFS layering *MUST* be implemented in userland.
In order to support this as an efficient mechanism I intend to rewrite
the VFS file/directory caching layer to allow the kernel to bypass
traverses under controlled circumstances. For example, if you construct
a VFS overlay on top of / which just changes how files in /usr/lib and
/var/run are accessed, you want all the fall through cases to be optimal
(not require any interaction with the VFS layer once prior results are
cached by the kernel).
-Matt
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