forked from Minki/linux
nvmet: cleanups the loop in nvmet_async_events_process
Based-on-a-patch-by: Christoph Hellwig <hch@infradead.org> Tested-by: Yi Zhang <yi.zhang@redhat.com> Signed-off-by: David Milburn <dmilburn@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
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@ -134,15 +134,10 @@ static void nvmet_async_events_process(struct nvmet_ctrl *ctrl, u16 status)
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struct nvmet_async_event *aen;
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struct nvmet_req *req;
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while (1) {
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mutex_lock(&ctrl->lock);
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aen = list_first_entry_or_null(&ctrl->async_events,
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struct nvmet_async_event, entry);
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if (!aen || !ctrl->nr_async_event_cmds) {
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mutex_unlock(&ctrl->lock);
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break;
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}
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mutex_lock(&ctrl->lock);
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while (ctrl->nr_async_event_cmds && !list_empty(&ctrl->async_events)) {
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aen = list_first_entry(&ctrl->async_events,
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struct nvmet_async_event, entry);
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req = ctrl->async_event_cmds[--ctrl->nr_async_event_cmds];
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if (status == 0)
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nvmet_set_result(req, nvmet_async_event_result(aen));
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@ -153,7 +148,9 @@ static void nvmet_async_events_process(struct nvmet_ctrl *ctrl, u16 status)
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mutex_unlock(&ctrl->lock);
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trace_nvmet_async_event(ctrl, req->cqe->result.u32);
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nvmet_req_complete(req, status);
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mutex_lock(&ctrl->lock);
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}
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mutex_unlock(&ctrl->lock);
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}
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static void nvmet_async_events_free(struct nvmet_ctrl *ctrl)
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