[repeating, since my previous email didn't reach mailing lists]
2015-07-02 7:10 GMT+03:00 Al Viro <viro@xxxxxxxxxxxxxxxxxx>:
>> It should be easy to confirm - in p9_client_prepare_req() add
>> if (WARN_ON_ONCE(tag != (u16)tag)) {
>> p9_idpool_put(tag, c->tagpool);
>> return ERR_PTR(-ENOMEM);
>> }
>> right after
>> tag = p9_idpool_get(c->tagpool);
>> if (tag < 0)
>> return ERR_PTR(-ENOMEM);
>>
>> and see if it triggers. I'm not sure if failing with ENOMEM is the
>> right response (another variant is to sleep there until the pile
>> gets cleaned or until we get killed), and WARN_ON_ONCE() is definitely
>> not for the real work, but it will do for confirming that this is what
>> we are hitting.
>
Apparently, I'm seeing something else. That WARN_ON_ONCE didn't trigger.
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