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* May nvme_get_ns_from_disk introduce deadlock?
@ 2016-05-03  6:33 Wang Sheng-Hui
  2016-05-03  7:52 ` hch
  0 siblings, 1 reply; 2+ messages in thread
From: Wang Sheng-Hui @ 2016-05-03  6:33 UTC (permalink / raw)


Hi,

I'm reading the code, and found that nvme_get_ns_from_disk *may* 
introduce deadlock by invoking nvme_free_ns in core.c (nested
spin_lock(&dev_list_lock) ). 
But I can't figure out which condition can lead to deadlock.

Will someone help to explain the code that how can it escape from deadlock?

Thanks,
Wang Sheng-Hui

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2016-05-03  6:33 May nvme_get_ns_from_disk introduce deadlock? Wang Sheng-Hui
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