Messages in this thread | | | Date | Wed, 17 Nov 1999 15:26:44 -0800 (PST) | From | Dan Hollis <> | Subject | Re: Transparent mounts |
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On Wed, 17 Nov 1999, Riley Williams wrote: > 1. The partition(s) being mounted over must already be mounted > read-only. There is therefore no problem with where to put > any newly created files on such a system since such can't be > created in the first place.
If I recall the way BSD handles this is to send all writes to the *last mounted* filesystem. This seems to me a cleaner way to handle this rather than forcing users to mount filesystems r-o.
> 2. There must not be any name clashes between the contents of > the partition(s) already mounted at that point and that of > the root directory of the partition being transparently > mounted on top of it.
I dont know how BSD handles namespace collisions, but this could be handled by hashing the duplicate filenames in some way.
-Dan
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