rhashtable: how to deal with that rhashtable_lookup_insert_key return -EBUSY

From	Xin Long <lucien.xin@gmail.com>
Newsgroups	linux.kernel
Subject	rhashtable: how to deal with that rhashtable_lookup_insert_key return -EBUSY
Date	2015-11-20 06:20 +0100
Message-ID	<qwMh4-2O8-1@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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when I use rhashtable_lookup_insert_key, sometimes it will return -EBUSY.
im not sure if there is a good way to workabout it.
or I should just try again and again until it's inserted successfully ?

I have seen some use in kernel  by now, but it seems that no one consider
this issue for their cases. but it indeed exists in my case.

did I use it incorrectly or something else ?

Thanks.
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rhashtable: how to deal with that rhashtable_lookup_insert_key return -EBUSY Xin Long <lucien.xin@gmail.com> - 2015-11-20 06:20 +0100
  Re: rhashtable: how to deal with that rhashtable_lookup_insert_key  return -EBUSY Herbert Xu <herbert@gondor.apana.org.au> - 2015-11-20 13:30 +0100
  Re: rhashtable: how to deal with that rhashtable_lookup_insert_key  return -EBUSY Phil Sutter <phil@nwl.cc> - 2015-11-20 13:40 +0100

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