From: David Miller <davem@davemloft.net>
To: neilb@suse.com
Cc: tgraf@suug.ch, herbert@gondor.apana.org.au,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/6] rhashtable: improve documentation for rhashtable_walk_peek()
Date: Tue, 27 Mar 2018 11:47:00 -0400 (EDT) [thread overview]
Message-ID: <20180327.114700.1341444619952240925.davem@davemloft.net> (raw)
In-Reply-To: <152210718418.11435.11573013181393548255.stgit@noble>
From: NeilBrown <neilb@suse.com>
Date: Tue, 27 Mar 2018 10:33:04 +1100
> The documentation for rhashtable_walk_peek() wrong. It claims to
> return the *next* entry, whereas it in fact returns the *previous*
> entry.
> However if no entries have yet been returned - or if the iterator
> was reset due to a resize event, then rhashtable_walk_peek()
> *does* return the next entry, but also advances the iterator.
>
> I suspect that this interface should be discarded and the one user
> should be changed to not require it. Possibly this patch should be
> seen as a first step in that conversation.
>
> This patch mostly corrects the documentation, but does make a
> small code change so that the documentation can be correct without
> listing too many special cases. I don't think the one user will
> be affected by the code change.
>
> Signed-off-by: NeilBrown <neilb@suse.com>
Please mention the "one user" explicitly in both locations where
you refer to it in this commit message.
Thank you.
next prev parent reply other threads:[~2018-03-27 15:47 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-26 23:33 [PATCH 0/6] rhashtable: assorted fixes and enhancements NeilBrown
2018-03-26 23:33 ` [PATCH 5/6] rhashtable: support guaranteed successful insertion NeilBrown
2018-03-27 15:56 ` Herbert Xu
2018-03-27 21:34 ` NeilBrown
2018-03-28 6:04 ` Herbert Xu
2018-03-28 7:04 ` NeilBrown
2018-03-28 7:27 ` Herbert Xu
2018-03-28 21:26 ` NeilBrown
2018-03-29 5:22 ` Herbert Xu
2018-04-06 3:11 ` NeilBrown
2018-04-06 4:13 ` Herbert Xu
2018-03-26 23:33 ` [PATCH 6/6] rhashtable: allow element counting to be disabled NeilBrown
2018-03-26 23:33 ` [PATCH 4/6] rhashtable: allow a walk of the hash table without missing objects NeilBrown
2018-03-27 15:49 ` David Miller
2018-03-27 15:54 ` Herbert Xu
2018-03-27 21:50 ` NeilBrown
2018-03-27 15:51 ` Herbert Xu
2018-03-27 21:54 ` NeilBrown
2018-03-28 6:07 ` Herbert Xu
2018-03-28 7:17 ` NeilBrown
2018-03-28 7:30 ` Herbert Xu
2018-03-28 21:34 ` NeilBrown
2018-03-29 1:13 ` NeilBrown
2018-03-26 23:33 ` [PATCH 2/6] rhashtable: remove outdated comments about grow_decision etc NeilBrown
2018-03-26 23:33 ` [PATCH 3/6] rhashtable: reset intr when rhashtable_walk_start sees new table NeilBrown
2018-03-27 15:47 ` Herbert Xu
2018-03-26 23:33 ` [PATCH 1/6] rhashtable: improve documentation for rhashtable_walk_peek() NeilBrown
2018-03-27 10:55 ` Sergei Shtylyov
2018-03-27 15:30 ` Herbert Xu
2018-03-27 15:47 ` David Miller [this message]
2018-03-27 21:45 ` [PATCH 1/6 v2] " NeilBrown
2018-03-27 22:46 ` [PATCH 1/6] " Andreas Grünbacher
2018-03-28 0:49 ` NeilBrown
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