Pete Wyckoff wrote:
The simul code, test #14, does a shared create: all processes
try to do creat(file, 0644) at the same time through the VFS.
There is no O_EXCL, so what should happen here is that they all
succeed, although under the hood, all but one will probably have
to unwind the
[EMAIL PROTECTED] wrote on Mon, 28 Aug 2006 19:02 +0200:
What happens on each iteration? Does the code at some point delete a
file with a particular name and then create a new one with the same name?
Each iter (of which there are 200, but it fails on #2 or 3) does:
task0
rm file
On Mon, Aug 28, 2006 at 04:28:32PM -0400, Pete Wyckoff wrote:
So yeah, the file gets deleted by just one task. Then they all
simultaneously try to create it again.
That's also what happens when noncontig_coll2 was failing. We did ok
until a different process tried to open the file that
I think so. When one node deletes a file, it does not send out messages
to invalidate the cache in all of the other clients, so those still have
a cached (no longer valid) entry.
If those other clients then lookup the file it will succeed (as if
another client had won the race to create it),
