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NVMe: nvme_submit_async_admin_req() must use atomic rq allocation

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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>
This commit is contained in:
Jens Axboe
2014-11-18 08:21:18 -07:00
parent 9d135bb8c2
commit 6dcc0cf6cb
1 changed files with 1 additions and 1 deletions
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2
drivers/block/nvme-core.c
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@ -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);