From: Christoph Hellwig <hch@lst.de>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linux-kernel@vger.kernel.org, John Kacur <jkacur@redhat.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Matthew Wilcox <willy@linux.intel.com>,
Christoph Hellwig <hch@lst.de>,
Trond Myklebust <trond.myklebust@fys.uio.no>,
"J. Bruce Fields" <bfields@fieldses.org>,
Miklos Szeredi <mszeredi@suse.cz>, Ingo Molnar <mingo@redhat.com>,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 2/3] Remove BKL from fs/locks.c
Date: Sun, 11 Jul 2010 00:01:10 +0200 [thread overview]
Message-ID: <20100710220110.GA13380@lst.de> (raw)
In-Reply-To: <1278798701-11171-3-git-send-email-arnd@arndb.de>
On Sat, Jul 10, 2010 at 11:51:40PM +0200, Arnd Bergmann wrote:
> From: Matthew Wilcox <willy@linux.intel.com>
>
> I've taken a patch originally written by Matthew Wilcox and
> ported it to the current version. Unfortunately, the change
> conflicts with the use of lockd, which still heavily uses
> the big kernel lock.
>
> As a workaround, I've made the behaviour configurable,
> it either uses the BKL when it's enabled or a spinlock
> when the BKL (and consequently nfs and lockd) are
> disabled.
Defintively not something we want in mainline. But keep poking
the nfs guys to sort the lockd mess out for real.
next prev parent reply other threads:[~2010-07-10 22:01 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-10 21:51 [PATCH 0/3] further BKL removal Arnd Bergmann
2010-07-10 21:51 ` [PATCH 1/3] drm: kill BKL from common code Arnd Bergmann
2010-08-24 18:46 ` Andreas Schwab
2010-08-24 20:45 ` Arnd Bergmann
2010-07-10 21:51 ` [PATCH 2/3] Remove BKL from fs/locks.c Arnd Bergmann
2010-07-10 22:01 ` Christoph Hellwig [this message]
2010-07-11 10:31 ` Arnd Bergmann
2010-07-10 21:51 ` [PATCH 3/3] sound: push BKL into open functions Arnd Bergmann
2010-07-11 7:15 ` Jaroslav Kysela
2010-07-11 7:15 ` Jaroslav Kysela
2010-07-11 10:16 ` Arnd Bergmann
2010-07-12 15:53 ` Takashi Iwai
2010-07-12 15:53 ` Takashi Iwai
2010-07-12 17:53 ` [PATCH] sound/oss: convert to unlocked_ioctl Arnd Bergmann
2010-07-12 20:38 ` Takashi Iwai
2010-07-12 20:38 ` Takashi Iwai
2010-07-12 21:13 ` Arnd Bergmann
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=20100710220110.GA13380@lst.de \
--to=hch@lst.de \
--cc=arnd@arndb.de \
--cc=bfields@fieldses.org \
--cc=fweisbec@gmail.com \
--cc=jkacur@redhat.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=mszeredi@suse.cz \
--cc=trond.myklebust@fys.uio.no \
--cc=willy@linux.intel.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.