Messages in this thread | | | Date | Wed, 13 Mar 2002 09:37:20 -0500 | Subject | Re: linux-2.5.4-pre1 - bitkeeper testing | From | Andrew Pimlott <> |
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On Wed, Mar 13, 2002 at 10:39:28AM +0100, Geert Uytterhoeven wrote: > On Tue, 12 Mar 2002, Andrew Pimlott wrote: > > This is misleading--Clearcase stores versions on top a normal > > filesystem (like most other RCS's), and all manipulation is entirely > ^^^^^^^^ > > in user-space (over the network to server processes). There only > ^^^^^^^^^^^^^ > > filesystem magic is that there are directories you cannot list (plus > > permission semantics are a little funny). > > So what's that ClearCase file system driver doing in kernel space?
Just providing a convenient view on the repository. The only write operation you can do through the filesystem is write to the checked out version. Checkin, checkout, branch, label, create new file/directory, rename, link, chmod, etc are all user-space.
Also, you can use ClearCase without the filesystem (snapshot view) and get all the same functionality.
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