Messages in this thread | | | From | Bodo Eggert <> | Date | Sat, 22 Jul 2006 18:59:45 +0200 | Subject | Re: what is necessary for directory hard links |
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Horst H. von Brand <vonbrand@inf.utfsm.cl> wrote:
> Joshua Hudson <joshudson@gmail.com> wrote: >> This patch is the sum total of all that I had to change in the kernel >> VFS layer to support hard links to directories > > Can't be done, as it creates the possibility of loops.
Don't do that then?
> The "only files can > be hardlinked" idea makes garbage collection (== deleting of unreachable > objects) simple: Just check the number of references. > > Detecting unconnected subgraphs uses a /lot/ of memory; and much worse, you > have to stop (almost) all filesystem activity while doing it.
In order to disconnect a directory, you'd have to empty it first, and after emptying a directory, it won't be part of a loop. Maybe emtying is the problem ...
This feature was implemented, and I asume it was removed for a reason. Can somebody remember? -- Ich danke GMX dafür, die Verwendung meiner Adressen mittels per SPF verbreiteten Lügen zu sabotieren.
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