Messages in this thread | | | Date | Mon, 10 May 2004 17:56:25 +0200 | From | Jörn Engel <> | Subject | Re: [ANNOUNCEMENT PATCH COW] proof of concept impementation of cowlinks |
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On Mon, 10 May 2004 17:51:27 +0200, Pavel Machek wrote: > > > > What about ino? I currently return 1, so diff remains fast without > > any changes. If someone really needs the difference between inode 2 > > and 3, I would introduce a cstat() system call similar to lstat(), > > which would return ino=2. > > I think you need to return 2, otherwise inode numbers change when > cowling is broken.... and that would be bad.
Makes sense. Damn, now I gotta touch diff as well. :(
> Aha.. That is another neccessary property for get_cow_inode(): > cow_inode can change, any time, unlike normal inode.
Correct. Still, I prefer cstat(), even though almost all information is identical to stat. But the device might change as well, one day.
Jörn
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