Re: [PATCH v2] storage: netfs: Handle backend errors

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On 04/15/2014 03:36 PM, John Ferlan wrote:
> Commit id '18642d10' caused a virt-test regression for NFS backend
> storage error path checks when running the command:
> 
>     'virsh find-storage-pool-sources-as netfs Unknown  '
> 
> when the host did not have Gluster installed. Prior to the commit,
> the test would fail with the error:
> 
>     error: internal error: Child process (/usr/sbin/showmount --no-headers
>     --exports Unknown) unexpected exit status 1: clnt_create: RPC: Unknown host
> 
> After the commit, the error would be ignored, the call would succeed,
> and an empty list of pool sources returned. This was tucked into the
> commit message as an expected outcome.
> 
> When the target host does not have a GLUSTER_CLI this is a regression
> over the previous release. Furthermore, even if Gluster CLI was present,
> but had a failure to get devices, the API would return a failure even if
> the NFS backend had found devices.
> 
> Modify the logic to return failure when the NFS backend check fails and
> there's no GLUSTER_CLI or when both backend checks fail.
> 
> If either returns success and GLUSTER_CLI is defined, then fetch and return
> a list of source devices even if it's empty
> 
> Signed-off-by: John Ferlan <jferlan@xxxxxxxxxx>
> ---
>  src/storage/storage_backend_fs.c | 22 +++++++++++++++++-----
>  1 file changed, 17 insertions(+), 5 deletions(-)

ACK

Jan

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