On Thu, Dec 21, 2017@12:07:50PM +0200, Sagi Grimberg wrote:

From: Roy Shterman <roys at lightbitslabs.com>

nvme_wq is not a MEM_RECLAIM workqueue because it
can allocate memory in some of the works it is executing.

But we need reset to work while in memory reclaim.

So instead we'll need to make sure whatever memory allocation required
(which ones, btw?) are marked GFP_NOIO.