[PATCH 1/1] NVMe: Do not take nsid while a passthrough IO command is being issued via a block device file descriptor

[Christoph Hellwig]

On Thu, Jan 22, 2015 at 04:02:08PM -0800, Yan Liu wrote:
> When a passthrough IO command is issued with a specific block device file descriptor. It should be applied at
> the namespace which is associated with that block device file descriptor. This patch makes such passthrough
> command ignore nsid in nvme_passthru_cmd structure. Instead it takes the namespace ID asscoiated with the
> block device descriptor.
> 
> Signed-off-by: Yan Liu <yan at purestorage.com>

Please move the code to find the ns into the caller, or even better a
seaprate helper used by the caller. instead of adding another argument to
nvme_user_cmd.