On Sunday 20 May 2007, Kay Sievers wrote: > On 5/20/07, Ray Lee <[email protected]> wrote: > > On 5/19/07, Al Viro <[email protected]> wrote: > > > On Sat, May 19, 2007 at 11:16:59PM -0700, Ray Lee wrote: > > > > Ken? Ball's in your court. As the patch isn't providing a killer > > > > feature for 2.6.22, I'd suggest just reverting it for now until the > > > > issues are ironed out. > > > > > > Hold it. The real question here is which logics do we want there. > > > IOW, and how many device nodes do we want to appear and _when_ do > > > we want them to appear? > > > > The when part is what looks to make it racy. I'm guessing that we're > > relying on udev to create those loop nodes. If so, I think any scheme > > that creates more on demand would give transient mount errors while > > it's waiting on udev to create more nodes. > > > > Perhaps if we were to start with 8 loop nodes at init (as we have in > > 2.6.21), and then always maintain a margin of 8 (or 4, or...) when > > they start being used or detached? > > - > > To unsubscribe from this list: send the line "unsubscribe linux-kernel" > > in the body of a message to [email protected] > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > Please read the FAQ at http://www.tux.org/lkml/ > > Until the tools can request dynamic loop device allocation from the > kernel before they want to use the device, you can create as many as > needed "static" loop* nodes in /lib/udev/devices/, which will be > copied to /dev/ early on every bootup. > Won't these be removed after "losetup -d"?
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