From: Greg Kroah-Hartman <gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public•gmane.org>
To: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public•gmane.org>
Cc: Geert Uytterhoeven
<geert-Td1EMuHUCqxL1ZNQvxDV9g@public•gmane.org>,
"David S. Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public•gmane.org>,
pablo-Cap9r6Oaw4JrovVCs/uTlw@public•gmane.org,
Patrick McHardy <kaber-dcUjhNyLwpNeoWH0uzbU5w@public•gmane.org>,
kadlec-K40Dz/62t/MgiyqX0sVFJYdd74u8MsAO@public•gmane.org,
Daniel Borkmann <daniel-FeC+5ew28dpmcu3hnIyYJQ@public•gmane.org>,
daniel.wagner-98C5kh4wR6ohFhg+JK9F0w@public•gmane.org,
nhorman-2XuSBdqkA4R54TAoqtyWWQ@public•gmane.org,
Zefan Li <lizefan-hv44wF8Li93QT0dZR+AlfA@public•gmane.org>,
Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public•gmane.org>,
"netdev-u79uwXL29TY76Z2rM5mHXA@public•gmane.org"
<netdev-u79uwXL29TY76Z2rM5mHXA@public•gmane.org>,
netfilter-devel-u79uwXL29TY76Z2rM5mHXA@public•gmane.org,
coreteam-Cap9r6Oaw4JrovVCs/uTlw@public•gmane.org,
cgroups-u79uwXL29TY76Z2rM5mHXA@public•gmane.org,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public•gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public•gmane.org>,
kernel-team-b10kYP2dOMg@public•gmane.org,
ninasc-b10kYP2dOMg@public•gmane.org,
Josh Triplett <josh-iaAMLnmF4UmaiuxdJuQwMA@public•gmane.org>
Subject: Re: [PATCH] kernfs: make kernfs_walk_ns() use kernfs_pr_cont_buf[]
Date: Fri, 15 Jan 2016 14:05:21 -0800 [thread overview]
Message-ID: <20160115220521.GA8722@kroah.com> (raw)
In-Reply-To: <20160115173014.GI3520-qYNAdHglDFBN0TnZuCh8vA@public.gmane.org>
On Fri, Jan 15, 2016 at 12:30:14PM -0500, Tejun Heo wrote:
> kernfs_walk_ns() uses a static path_buf[PATH_MAX] to separate out path
> components. Keeping around the 4k buffer just for kernfs_walk_ns() is
> wasteful. This patch makes it piggyback on kernfs_pr_cont_buf[]
> instead. This requires kernfs_walk_ns() to hold kernfs_rename_lock.
>
> Signed-off-by: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public•gmane.org>
> Reported-by: Geert Uytterhoeven <geert-Td1EMuHUCqxL1ZNQvxDV9g@public•gmane.org>
> ---
> Hello,
>
> Greg, can you please route this one?
Thanks, will take this after 4.5-rc1 is out.
greg k-h
next prev parent reply other threads:[~2016-01-15 22:05 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-07 22:38 [PATCHSET v4] netfilter, cgroup: implement cgroup2 path match in xt_cgroup Tejun Heo
2015-12-07 22:38 ` [PATCH 1/8] cgroup: record ancestor IDs and reimplement cgroup_is_descendant() using it Tejun Heo
2015-12-07 22:38 ` [PATCH 2/8] kernfs: implement kernfs_walk_and_get() Tejun Heo
[not found] ` <1449527935-27056-3-git-send-email-tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2016-01-15 12:29 ` Geert Uytterhoeven
2016-01-15 17:30 ` [PATCH] kernfs: make kernfs_walk_ns() use kernfs_pr_cont_buf[] Tejun Heo
[not found] ` <20160115173014.GI3520-qYNAdHglDFBN0TnZuCh8vA@public.gmane.org>
2016-01-15 22:05 ` Greg Kroah-Hartman [this message]
[not found] ` <1449527935-27056-1-git-send-email-tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2015-12-07 22:38 ` [PATCH 3/8] cgroup: implement cgroup_get_from_path() and expose cgroup_put() Tejun Heo
[not found] ` <1449527935-27056-4-git-send-email-tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2015-12-22 0:22 ` Serge E. Hallyn
2015-12-22 18:13 ` Tejun Heo
2015-12-07 22:38 ` [PATCH 4/8] netprio_cgroup: limit the maximum css->id to USHRT_MAX Tejun Heo
2015-12-09 3:03 ` [PATCHSET v4] netfilter, cgroup: implement cgroup2 path match in xt_cgroup David Miller
2015-12-07 22:38 ` [PATCH 5/8] net: wrap sock->sk_cgrp_prioidx and ->sk_classid inside a struct Tejun Heo
2015-12-07 22:38 ` [PATCH 6/8] sock, cgroup: add sock->sk_cgroup Tejun Heo
2015-12-07 22:38 ` [PATCH 7/8] netfilter: prepare xt_cgroup for multi revisions Tejun Heo
2015-12-14 19:35 ` Pablo Neira Ayuso
2015-12-07 22:38 ` [PATCH 8/8] netfilter: implement xt_cgroup cgroup2 path match Tejun Heo
2015-12-14 19:37 ` Pablo Neira Ayuso
[not found] ` <1449527935-27056-9-git-send-email-tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2016-02-12 0:10 ` Alban Crequy
[not found] ` <CAMXgnP7Eue2NQrUcRSNgM8NJT5XOscPWwqVkuh7LnwQn-1oQ_A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-02-12 16:05 ` Tejun Heo
2015-12-14 11:54 ` [PATCHSET v4] netfilter, cgroup: implement cgroup2 path match in xt_cgroup Dexuan Cui
2015-12-14 16:24 ` [PATCH net-next] net, cgroup: cgroup_sk_updat_lock was missing initializer Tejun Heo
2015-12-14 19:20 ` David Miller
[not found] ` <20151214.142043.1185024338854399910.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2015-12-15 2:11 ` Dexuan Cui
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