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NVMe: Fix filesystem deadlock on removal

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Move gendisk deletion before controller shutdown so filesystem may sync
dirty pages. Before, this would deadlock trying to allocate requests
on frozen queues that are about to be deleted.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Keith Busch 2015-06-18 13:36:40 -06:00 committed by Jens Axboe
parent de3eff2bad
commit 3399a3f746
1 changed files with 1 additions and 1 deletions
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2
drivers/block/nvme-core.c
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@ -3124,8 +3124,8 @@ static void nvme_remove(struct pci_dev *pdev)
flush_work(&dev->reset_work);
flush_work(&dev->scan_work);
device_remove_file(dev->device, &dev_attr_reset_controller);
nvme_dev_shutdown(dev);
nvme_dev_remove(dev);
nvme_dev_shutdown(dev);
nvme_dev_remove_admin(dev);
device_destroy(nvme_class, MKDEV(nvme_char_major, dev->instance));
nvme_free_queues(dev, 0);