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authorChristoph Hellwig <hch@lst.de>2016-04-26 13:51:59 +0200
committerJens Axboe <axboe@fb.com>2016-05-02 17:09:24 +0200
commit5955be2144b3b56182e2175e7e3d2ddf27fb485d (patch)
tree32a52527211b8d0c2353f12bc53be31c8a76ed03 /drivers/nvme/host/nvme.h
parentnvme: tighten up state check for namespace scanning (diff)
downloadlinux-5955be2144b3b56182e2175e7e3d2ddf27fb485d.tar.xz
linux-5955be2144b3b56182e2175e7e3d2ddf27fb485d.zip
nvme: move namespace scanning to core
Move the scan work item and surrounding code to the common code. For now we need a new finish_scan method to allow the PCI driver to set the irq affinity hints, but I have plans in the works to obsolete this as well. Note that this moves the namespace scanning from nvme_wq to the system workqueue, but as we don't rely on namespace scanning to finish from reset or I/O this should be fine. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by Jon Derrick: <jonathan.derrick@intel.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/nvme/host/nvme.h')
-rw-r--r--drivers/nvme/host/nvme.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 4135626a3d6f..9b63e719318a 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -108,6 +108,7 @@ struct nvme_ctrl {
u32 vs;
bool subsystem;
unsigned long quirks;
+ struct work_struct scan_work;
};
/*
@@ -147,6 +148,7 @@ struct nvme_ctrl_ops {
int (*reg_read64)(struct nvme_ctrl *ctrl, u32 off, u64 *val);
int (*reset_ctrl)(struct nvme_ctrl *ctrl);
void (*free_ctrl)(struct nvme_ctrl *ctrl);
+ void (*post_scan)(struct nvme_ctrl *ctrl);
};
static inline bool nvme_ctrl_ready(struct nvme_ctrl *ctrl)
@@ -207,7 +209,7 @@ void nvme_uninit_ctrl(struct nvme_ctrl *ctrl);
void nvme_put_ctrl(struct nvme_ctrl *ctrl);
int nvme_init_identify(struct nvme_ctrl *ctrl);
-void nvme_scan_namespaces(struct nvme_ctrl *ctrl);
+void nvme_queue_scan(struct nvme_ctrl *ctrl);
void nvme_remove_namespaces(struct nvme_ctrl *ctrl);
void nvme_stop_queues(struct nvme_ctrl *ctrl);