netdev - Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads

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Date:	Tue, 1 Sep 2015 14:46:48 +0200
From:	Phil Sutter <phil@....cc>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	tgraf@...g.ch, davem@...emloft.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, fengguang.wu@...el.com,
	wfg@...ux.intel.com, lkp@...org
Subject: Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads

On Tue, Sep 01, 2015 at 07:43:00PM +0800, Herbert Xu wrote:
> On Mon, Aug 31, 2015 at 01:00:12PM +0200, Phil Sutter wrote:
> > 
> > The variable would be used to track if the worker has failed to allocate
> > memory in background.
> > 
> > Since the failing insertion will be retried, subsequent inserts are not
> > necessary unrelated.
> 
> If an insertion fails it is never retried.  The only thing that is
> retried is the expansion of the table.  So I have no idea what
> you are talking about.

This is not an inherent behaviour of the implementation but general
agreement. The insertion may fail non-permanently (returning -EBUSY),
users are expected to handle this by retrying the operation.

Cheers, Phil
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