From: Tejun Heo <tj@kernel.org>
To: "Myklebust, Trond" <Trond.Myklebust@netapp.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"rusty@rustcorp.com.au" <rusty@rustcorp.com.au>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>
Subject: Re: [PATCH 11/14] nfs: idr_destroy() no longer needs idr_remove_all()
Date: Thu, 31 Jan 2013 16:08:12 -0800 [thread overview]
Message-ID: <20130201000812.GO6824@mtj.dyndns.org> (raw)
In-Reply-To: <4FA345DA4F4AE44899BD2B03EEEC2FA9183426FE@sacexcmbx05-prd.hq.netapp.com>
Hello, Trond.
On Wed, Jan 30, 2013 at 02:18:06AM +0000, Myklebust, Trond wrote:
> My worry is more about Tejun's comment that we did actually need a call
> to idr_remove_all() in the original code. Do we need to queue up a fix
> for the 3.8 and existing stable kernels?
IIUC, the only case where idr_layer is left around after idr_remove()
on all elems is when the deletions lead to multi-level left-most
collapse. Not sure whether the current code can actually hit that.
No harm in adding idr_remove_all(), I guess.
Thanks.
--
tejun
next prev parent reply other threads:[~2013-02-01 0:08 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
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 [this message]
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
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