On Mon, 2011-06-20 at 15:45 +0800, Ian Kent wrote: > Hi all, > > I'm having difficulty working out how delegation release threads are > synchronized with umount. > > For an information about the problem please see > https://bugzilla.kernel.org/show_bug.cgi?id=30882 and in particular > comment #28. > > Can someone please give me a description of the sequence of events at > umount (aka. nfs4_kill_super() function calls). In particular how does > nfs_free_server() know that if nfs_super_return_all_delegations() starts > a thread that it is finished before freeing the server struct. No response in almost a month. everyone must be really busy. But does no-one know how this works? Trond, could you have a look at the above bug and offer your input please. To be more specific, for the problem I'm asking about this is all we have so far, http://obfusc.gavagai.nl/nfscrash.jpg. As David Howells spotted the image shows that this isn't the first backtrace from the crash so the answer may be "we can't tell" but how about some help please. > > Any information or observations about the opps in the above bug would > also be appreciated. > > Ian > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
