Date: Tue, 15 Oct 2013 22:31:32 +0800 From: araujobsdport@gmail.com To: Rick Macklem <rmacklem@uoguelph.ca> Cc: freebsd-fs <freebsd-fs@freebsd.org> Subject: Re: fixing "umount -f" for the NFS client Message-ID: <8374DB4D-C659-4400-AFC9-8E56B692C71E@gmail.com> In-Reply-To: <748522744.41194273.1381842355314.JavaMail.root@uoguelph.ca> References: <748522744.41194273.1381842355314.JavaMail.root@uoguelph.ca>
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On 2013/10/15, at 21:05, Rick Macklem <rmacklem@uoguelph.ca> wrote: > araujo wrote: >> >> >> >> >> >> >> 2013/9/5 Benjamin Kaduk < kaduk@mit.edu > >> >> >> >> On Wed, 4 Sep 2013, Rick Macklem wrote: >> >> >> >> >> Benjamin Kaduk wrote: >> >> >> >> I think there are spare vfsops fields, so the MFC can be done in an >> ABI-compatible way. The new routine is for optional functionality, >> so it >> seems fine. >> >> There are spares vfs ops in 10/current, but not in stable/9. An MFC >> will >> result in a VFS ABI change. (Since 10.0 hasn't been released yet, I >> didn't >> use one of the recently added spares.) >> >> Oh, right, I was looking at 10/current. >> >> Unless there are pressing calls for the feature in the stable >> branches, it's probably best to hold off on the MFC, then. OpenAFS >> has encountered a few KBI incompatibilities over the years (mostly >> in the networking bits, if I remember correctly), and we can deal in >> the future, but not having to is nice. >> >> >> >> >> Hello Guys, >> >> >> Is it possible to have it on 9-STABLE? >> I tried to port the changes of revision 255136 made by rmacklem@ to a >> 9.1-RELEASE but the bug is still there. >> >> >> Any change to make it works on 9.1, 9.2 or 9-STABLE? >> >> The patch attached is based on 9.1-RELEASE. > The patch looks ok at a glance. Note that it can take > up to 2-3minutes for a forced dismount to complete, > depending on where the threads are waiting. > > If the mount is still there 5minutes after doing > "umount -f", do a "ps axhl" and post the output > of that to me. It may be getting stuck somewhere > else than where I've seen during testing. Hello Rick, Thanks by the prompt reply, I'm gonna make more tests tomorrow, and give you the output if necessary! However, is there any way to improve this time to force the umount? > > rick > >> >> Best Regards, -- >> Marcelo Araujo >> araujo@FreeBSD.org
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