From: Randy Dunlap <rdunlap@infradead.org>
To: Tejun Heo <tj@kernel.org>
Cc: David Teigland <teigland@redhat.com>,
akpm@linux-foundation.org, rusty@rustcorp.com.au,
linux-kernel@vger.kernel.org,
Christine Caulfield <ccaulfie@redhat.com>,
cluster-devel@redhat.com,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Hugh Dickins <hughd@google.com>, eric paris <eparis@redhat.com>
Subject: Re: [PATCH] idr: fix a subtle bug in idr_get_next()
Date: Sat, 02 Feb 2013 18:15:12 -0800 [thread overview]
Message-ID: <510DC830.70707@infradead.org> (raw)
In-Reply-To: <20130202231135.GB3940@mtj.dyndns.org>
On 02/02/13 15:11, Tejun Heo wrote:
> On Sat, Feb 02, 2013 at 03:10:48PM -0800, Tejun Heo wrote:
>> Fix it by ensuring proceeding to the next slot doesn't carry over the
>> unaligned offset - ie. use round_up(id + 1, slot_distance) instead of
>> id += slot_distance.
>>
>> Signed-off-by: Tejun Heo <tj@kernel.org>
>> Reported-by: David Teigland <teigland@redhat.com>
>> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
>
> David, can you please test whether the patch makes the skipped
> deletion bug go away?
>
> Thanks!
Hugh, did you update the idr test suite or the radix-tree test suite?
Is there an idr test suite or module? I have a kernel module source file
named idr_test.c by Eric Paris.
thanks,
--
~Randy
next prev parent reply other threads:[~2013-02-03 2:14 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-26 1:30 [PATCHSET] idr: deprecate idr_remove_all() Tejun Heo
2013-01-26 1:30 ` [PATCH 01/14] idr: make idr_destroy() imply idr_remove_all() Tejun Heo
2013-01-26 1:31 ` [PATCH 02/14] atm/nicstar: don't use idr_remove_all() Tejun Heo
2013-01-27 6:43 ` David Miller
2013-02-04 17:52 ` [PATCH v2 " Tejun Heo
2013-02-04 18:10 ` chas williams - CONTRACTOR
2013-02-04 18:35 ` Tejun Heo
2013-01-26 1:31 ` [PATCH 03/14] block/loop: " Tejun Heo
2013-01-26 1:31 ` [PATCH 04/14] firewire: " Tejun Heo
2013-01-26 9:07 ` Stefan Richter
2013-01-26 1:31 ` [PATCH 05/14] drm: " Tejun Heo
2013-01-26 1:31 ` [PATCH 06/14] dm: " Tejun Heo
2013-01-26 1:31 ` [PATCH 07/14] remoteproc: " Tejun Heo
2013-01-26 1:31 ` [PATCH 08/14] rpmsg: " Tejun Heo
2013-01-26 1:31 ` [PATCH 09/14] dlm: use idr_for_each_entry() in recover_idr_clear() error path Tejun Heo
2013-01-28 15:55 ` David Teigland
2013-01-26 1:31 ` [PATCH 10/14] dlm: don't use idr_remove_all() Tejun Heo
2013-01-28 15:57 ` David Teigland
2013-01-29 15:13 ` David Teigland
2013-01-30 21:24 ` David Teigland
2013-01-31 23:53 ` Tejun Heo
2013-02-01 0:18 ` Tejun Heo
2013-02-01 17:44 ` David Teigland
2013-02-01 18:00 ` Tejun Heo
2013-02-02 23:10 ` [PATCH] idr: fix a subtle bug in idr_get_next() Tejun Heo
2013-02-02 23:11 ` Tejun Heo
2013-02-03 2:15 ` Randy Dunlap [this message]
2013-02-03 17:53 ` Hugh Dickins
2013-02-05 15:36 ` David Teigland
2013-02-04 3:39 ` Li Zefan
2013-02-04 17:44 ` Tejun Heo
2013-01-26 1:31 ` [PATCH 11/14] nfs: idr_destroy() no longer needs idr_remove_all() Tejun Heo
2013-01-29 22:58 ` J. Bruce Fields
2013-01-30 2:18 ` Myklebust, Trond
2013-02-01 0:08 ` Tejun Heo
2013-01-26 1:31 ` [PATCH 12/14] inotify: don't use idr_remove_all() Tejun Heo
2013-01-26 1:31 ` [PATCH 13/14] cgroup: " Tejun Heo
2013-01-26 1:31 ` [PATCH 14/14] idr: deprecate idr_remove_all() Tejun Heo
2013-01-26 13:48 ` Arnd Bergmann
2013-01-26 14:24 ` Tejun Heo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=510DC830.70707@infradead.org \
--to=rdunlap@infradead.org \
--cc=akpm@linux-foundation.org \
--cc=ccaulfie@redhat.com \
--cc=cluster-devel@redhat.com \
--cc=eparis@redhat.com \
--cc=hughd@google.com \
--cc=kamezawa.hiroyu@jp.fujitsu.com \
--cc=linux-kernel@vger.kernel.org \
--cc=rusty@rustcorp.com.au \
--cc=teigland@redhat.com \
--cc=tj@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).