nvme: switch abort_limit to an atomic_t
There is no lock to sychronize access to the abort_limit field of
struct nvme_ctrl, so switch it to an atomic_t.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 88950f36..982fa30 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -77,7 +77,7 @@
u32 max_hw_sectors;
u32 stripe_size;
u16 oncs;
- u16 abort_limit;
+ atomic_t abort_limit;
u8 event_limit;
u8 vwc;
u32 vs;