Re: libcephfs ceph_shutdown()

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I pushed out wip-client-unmount for review please. One question: would
we want a new messenger nonce for remounts, as opposed to messenger
nonce per context?

- Noah

On Thu, Oct 25, 2012 at 9:23 AM, Sage Weil <sage@xxxxxxxxxxx> wrote:
> On Thu, 25 Oct 2012, Noah Watkins wrote:
>> I was just take a look at this for libcephfs. Does it make sense to
>> have ceph_release free CephContext, and ceph_unmount with everything
>> else: client, messenger, and mon client?
>
> Yeah... _create and _release should create/release the ceph_mount_info and
> associated cct, and mount/unmount will set up and tear down the Client and
> friends.
>
> sage
>
>  >
>> - Noah
>>
>> On Wed, Oct 24, 2012 at 4:32 PM, Noah Watkins <jayhawk@xxxxxxxxxxx> wrote:
>> > On the Java, side being able to do an unmount to free resources, while
>> > still keeping the context, makes things more natural to both explain,
>> > and code. I'm sure this would be true for other language bindings as
>> > well.
>> >
>> > +1
>> >
>> >
>> > On Wed, Oct 24, 2012 at 4:17 PM, Sage Weil <sage@xxxxxxxxxxx> wrote:
>> >> I'm annoyed that ceph_shutdown() both unmounts and releases the resource,
>> >> but there is a separate _create() and _mount() method.  I wonder if it
>> >> makes sense to introduce ceph_umount() and ceph_release() and make
>> >> ceph_shutdown() call them (for compatibility).
>> >>
>> >> I thought librados was a bit cleaner, but it appears to be doing the same
>> >> thing.. meh.  (Also, the docs for _shutdown() incorrectly state that
>> >> shutdown isn't needed if rados_connect() fails.. but presumably the
>> >> resource still needs to be freed?)
>> >>
>> >> Is this worth fixing?
>> >>
>> >> sage
>> >> --
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>>
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