LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Jeff Layton <jlayton@redhat.com>
To: Jeff Layton <jlayton@redhat.com>
Cc: akpm@linux-foundation.org, neilb@suse.de,
linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/5] NLM: Have lockd call try_to_freeze
Date: Sun, 13 Jan 2008 06:54:53 -0500 [thread overview]
Message-ID: <20080113065453.4774f8dd@tleilax.poochiereds.net> (raw)
In-Reply-To: <1199988096-19700-4-git-send-email-jlayton@redhat.com>
On Thu, 10 Jan 2008 13:01:34 -0500
Jeff Layton <jlayton@redhat.com> wrote:
> lockd makes itself freezable, but never calls try_to_freeze(). Have it
> call try_to_freeze() within the main loop.
>
> Signed-off-by: Jeff Layton <jlayton@redhat.com>
> ---
> fs/lockd/svc.c | 3 +++
> 1 files changed, 3 insertions(+), 0 deletions(-)
>
> diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
> index 82e2192..6ee8bed 100644
> --- a/fs/lockd/svc.c
> +++ b/fs/lockd/svc.c
> @@ -155,6 +155,9 @@ lockd(struct svc_rqst *rqstp)
> long timeout = MAX_SCHEDULE_TIMEOUT;
> char buf[RPC_MAX_ADDRBUFLEN];
>
> + if (try_to_freeze())
> + continue;
> +
> if (signalled()) {
> flush_signals(current);
> if (nlmsvc_ops) {
I was looking over svc_recv today and noticed that it calls
try_to_freeze a couple of times. Given that, the above patch may be
unnecessary. I don't think it hurts anything though. Should we keep
this patch or drop it?
--
Jeff Layton <jlayton@redhat.com>
next prev parent reply other threads:[~2008-01-13 11:55 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-10 18:01 [PATCH 0/5] Intro: convert lockd to kthread and fix use-after-free (try #7) Jeff Layton
2008-01-10 18:01 ` [PATCH 1/5] SUNRPC: spin svc_rqst initialization to its own function Jeff Layton
2008-01-10 18:01 ` [PATCH 2/5] SUNRPC: export svc_sock_update_bufs Jeff Layton
2008-01-10 18:01 ` [PATCH 3/5] NLM: Have lockd call try_to_freeze Jeff Layton
2008-01-10 18:01 ` [PATCH 4/5] NLM: Convert lockd to use kthreads Jeff Layton
2008-01-10 18:01 ` [PATCH 5/5] NLM: have nlm_shutdown_hosts kill off all NLM RPC tasks Jeff Layton
2008-01-13 11:54 ` Jeff Layton [this message]
2008-01-13 22:24 ` [PATCH 3/5] NLM: Have lockd call try_to_freeze Neil Brown
2008-01-13 23:59 ` Rafael J. Wysocki
2008-01-11 1:37 ` [PATCH 0/5] Intro: convert lockd to kthread and fix use-after-free (try #7) Neil Brown
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=20080113065453.4774f8dd@tleilax.poochiereds.net \
--to=jlayton@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-nfs@vger.kernel.org \
--cc=neilb@suse.de \
/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).