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Re: kern/38990: Unmounting a disk fails the first time
On Sat, Jun 21, 2008 at 05:38:48PM -0400, Christos Zoulas wrote:
> | > It's due to the kernel's 'vrele' thread. Sometimes we have to defer
> | > VOP_INACTIVE because of the horrible locking requirements. It always
> | > gets done for layered file systems. The delay is about one second.
> | Is it worth installing a workaround into umount(8)?
> It is worth fixing the syscall :-)
Simplifying the locking isn't going to happen before branching.
Afterwards, though... maybe.
I was thinking that putting in a temporary hack of the form "sync();
sleep(1); retry" is a lot easier at userlevel, that's all.
David A. Holland
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