[PATCH] nvme: block ioctls if controller not in a live state

[Johannes Thumshirn]

On Mon, May 07, 2018 at 03:55:58PM -0700, James Smart wrote:
> Rather than allow ioctl-based admin cmds to get intermixed on the admin
> queue with commands being used to initialize a controller or io commands
> to go to a controller in reconnect thus possibly hanging, reject them
> if the controller isn't in the LIVE state. Reject with an -EAGAIN status
> so that the app knows it could retry.

Shouldn't the nvmf_check_if_read() calls in the transport drivers'
->queue_rq() callouts handle this?

-- 
Johannes Thumshirn                                          Storage
jthumshirn at suse.de                                +49 911 74053 689
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