Commit 6dcc0cf6 authored Nov 18, 2014 by Jens Axboe

NVMe: nvme_submit_async_admin_req() must use atomic rq allocation



We are called for async event notification issues, and the
nvmeq lock is already held. If we fail the request allocation,
we'll just retry next time.

Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Jens Axboe <axboe@fb.com>

parent 9d135bb8

drivers/block/nvme-core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -825,7 +825,7 @@ static int nvme_submit_async_admin_req(struct nvme_dev *dev)
		struct nvme_cmd_info *cmd_info;
		struct request *req;

		req = blk_mq_alloc_request(dev->admin_q, WRITE, GFP_KERNEL, false);
		req = blk_mq_alloc_request(dev->admin_q, WRITE, GFP_ATOMIC, false);
		if (IS_ERR(req))
		return PTR_ERR(req);