Commit b04df85d authored Apr 30, 2020 by Keith Busch Committed by Jens Axboe May 09, 2020

nvme: flush scan work on passthrough commands



If a passthrough command causes the namespace inventory or capabilities
to change, flush the scan work that handles these changes so the driver
synchronizes with the user command's effects before returning the result
to user space.

Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent 6623c5b3

drivers/nvme/host/core.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -1404,8 +1404,10 @@ static void nvme_passthru_end(struct nvme_ctrl *ctrl, u32 effects)
		}
		if (effects & NVME_CMD_EFFECTS_CCC)
		nvme_init_identify(ctrl);
		if (effects & (NVME_CMD_EFFECTS_NIC \| NVME_CMD_EFFECTS_NCC))
		if (effects & (NVME_CMD_EFFECTS_NIC \| NVME_CMD_EFFECTS_NCC)) {
		nvme_queue_scan(ctrl);
		flush_work(&ctrl->scan_work);
		}
		}

		static int nvme_user_cmd(struct nvme_ctrl ctrl, struct nvme_ns ns,

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