[PATCH v2 1/5] nvme/host: reference the fabric module for each bdev open callout

[Johannes Thumshirn]

On Tue, Feb 09, 2016 at 04:07:49PM -0800, Ming Lin wrote:
> From: Sagi Grimberg <sagig at mellanox.com>
> 
> We don't want to be able to unload the fabric driver when we have
> openened referenced to our namespaces. Thus, for each nvme_open we
> take a reference on the fabric driver and put it in nvme_release.
> This behavior is consistent with the scsi model.
> 
> This resolves the panic when unloading a fabric module with
> mpath holders.
> 
> Signed-off-by: Sagi Grimberg <sagig at mellanox.com>
> Reviewed-by: Christoph Hellwig <hch at lst.de>
> Reviewed-by: Ian Bakshan <ianb at mellanox.com>
> Signed-off-by: Ming Lin <ming.l at ssi.samsung.com>

Reviewed-by: Johannes Thumshirn <jthumshirn at suse.de>
-- 
Johannes Thumshirn                                          Storage
jthumshirn at suse.de                                +49 911 74053 689
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