DragonFly bugs List (threaded) for 2006-02
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Re: busy buffer problem on HEAD
: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
Ok, it sounds like its an improvement even if it isn't perfect so I'll
go ahead and commit that patch.
-Matt
Matthew Dillon
<dillon@xxxxxxxxxxxxx>
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