mountmgr.sys and ioctl's

Alexandre Julliard julliard at
Mon Mar 3 05:18:09 CST 2008

"Maarten Lankhorst" <m.b.lankhorst at> writes:

> What if we always map access to \\.\X: is always mapped to mountmgr,
> and let mountmanager open \\.\X:: that would be mapped to
> /dosdevices/x::, any ioctl, and read/write stuff that mountmgr can't
> handle can then be forwarded to the raw device, if available.
> Do you think that would be an appropiate solution?

No, things that can be done locally through the fd shouldn't have to go
through mountmgr, especially not read/writes.

Alexandre Julliard
julliard at

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