Re: busy buffer problem on HEAD

[Richard Nyberg <rnyberg@xxxxxxxxxxxxx>]

At Mon, 20 Feb 2006 12:15:35 -0800 (PST),
Matthew Dillon wrote:
>     Hmm.  There was some bad code pre-patch that I removed that was probably
>     handling that case.  The real problem is that the nfsd processes are 
>     getting wiped out by the shutdown before all the buffers are flushed.
>     It's kind of a chicken and egg problem.

This is a nfs client so it does not run nfsd, but perhaps you mean something
else?

>     This patch might not be quite sufficient, but I'd like you to try it
>     anyhow.  It only counts buffers that are undergoing I/O as 'busy' (which
>     is what the original code did), but unlike the original code I don't
>     try to remove the mount point so its possible that the shutdown sequence
>     will block a little further on when it tries to unmount the filesystems.

It seems to work. The system stays on the "syncing disks" line a while but
otherwise reboots fine.

Thanks!
        -Richard