Re: ReiserFS patch for updating ctimes of renamed files
From: Jamie Lokier
Date: Tue Oct 14 2003 - 04:29:57 EST
jw schultz wrote:
> Of course if i had designed it in the first place with the
> filesystem semantics that we have now there might be no
> rename system call. Renames would be done by link(oldpath,
> newpath); unlink(oldpath); A sequence that would cause
> ctime to change as a result of nlink changes. A sequence
> that might be appropriate in some cases even inside the
> filesystem code.
Once upon a time, that's how renames were always done.
The rename() system call was added because (a) it provides the
additional atomicity semantic, which link+unlink does not; (b) it is
useful to allow directory renames, but directory hard links are
dangerous so not allowed any more.
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