3e635ac15c
As is the case with traverse_prefetch_thread(), the deep stacks caused by traversal require disabling reclaim in the send traverse thread. Also, do the same for receive_writer_thread() in which similar problems have been observed. Signed-off-by: Tim Chase <tim@chase2k.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #4912 Closes #4998