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>
diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c
index bbac17f..fb4b205 100644
--- a/drivers/block/nvme-core.c
+++ b/drivers/block/nvme-core.c
@@ -825,7 +825,7 @@
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);