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6ef94aa67a
The tsd_exit() and tsd_destroy() functions remove entries from hash bins without taking the hash bin lock. They do take the table lock, but tsd_get() and tsd_set() only take the hash bin lock to allow for maximum concurency. The result is that while tsd_get() and tsd_set() are traversing the hash bin list it can be modified by another thread in which happens to hash to the same value. To avoid this add the needed locking to tsd_exit() and tsd_destroy(). Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #174 |
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