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Re: Problem with autounload of nfsserver module
In article <Pine.NEB.4.64.1312140541170.819%screamer.whooppee.com@localhost>,
Paul Goyette <paul%whooppee.com@localhost> wrote:
>I believe that the nfsserver module should not be allowed to autounload.
>Consider the following sequence of events:
>1. mountd is started, and calls nfssvc(2)
>2. The module subsystem autoloads the nfsserver module
>3. mountd continues, adding entries to the exports list
>So far, everything is fine. However....
>4. When the autounload timer expires, the module subsystem unloads the
> nfsserver module
>5. As part of nfsserver_modcmd(), the export list is cleared
>6. The autounload completes successfully
>7. At some later time, we finally get around to starting nfsd. This
> succeeds, but the export list has been cleared, so there is nothing
> for nfsd to deliver to the clients.
>So, depending on how much time it takes between starting mountd and
>starting nfsd, we could end up serving an empty exports list.
>The following patch prevents the module subsystem from unloading the
>nfsserver module. (Manual unloading of the module will still work.)
Perhaps you want it to prevent it from unloading while there are exported
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