[libvirt] [PATCH 5/8] storage: Move/rename createVport and deleteVport

[Michal Privoznik]

On 20.02.2017 14:18, John Ferlan wrote:
> Move the bulk of the code to the node_device_conf and rename to
> virNodeDevice{Create|Delete}Vport.
> 
> Alter the create algorithm slightly in order to return the name of
> the scsi_host vHBA that was created. The existing code would fetch
> the name and if it exists would start a thread looking for the LUNs;
> however, in no way did it validate the device was created for the
> storage pool even though it would be used thereafter.
> 
> This slight change allows the code that checks if the node device
> by wwnn/wwpn already exists and return that name.  This fixes a
> second yet seen issue that if the nodedev was present, but the
> parent by name wasn't provided (perhaps parent by wwnn/wwpn or
> by fabric_name), then a failure would be returned. For this path
> it shouldn't be an error - we should just be happy that something
> else is managing the device and we don't have to create/delete it.
> 
> The end result is that the startVport code can now just start the
> thread once it gets a non NULL name back.
> 
> Signed-off-by: John Ferlan <jferlan at redhat.com>
> ---
>  src/conf/node_device_conf.c        | 211 +++++++++++++++++++++++++++++++++++++
>  src/conf/node_device_conf.h        |   9 ++
>  src/libvirt_private.syms           |   2 +
>  src/storage/storage_backend_scsi.c | 190 +++------------------------------
>  4 files changed, 235 insertions(+), 177 deletions(-)

ACK

Michal