From: Dave Hansen <haveblue@us.ibm.com>
To: Andrew Morton <akpm@zip.com.au>
Cc: Alexander Viro <viro@math.psu.edu>,
linux-kernel@vger.kernel.org,
Linus Torvalds <torvalds@transmeta.com>,
"Martin J. Bligh" <Martin.Bligh@us.ibm.com>
Subject: Re: locking in sync_old_buffers
Date: Mon, 22 Apr 2002 15:23:13 -0700 [thread overview]
Message-ID: <3CC48D51.3050506@us.ibm.com> (raw)
In-Reply-To: <3CC47A27.4000803@us.ibm.com> <3CC489CE.19A91699@zip.com.au>
Andrew Morton wrote:
> If you're going to do this, then the BKL should be acquired
> in fs/super.c:write_super(), so the per-fs ->write_super
> functions do not see changed external locking rules.
>
> Possibly, fs/inode.c:write_inode() needs the same treatment.
> But Doc/filesystems/Locking says that lock_kernel() is not
> held across ->write_inode so there should be no need to take
> it on the kupdate path.
That sounds sane. I was just fishing for information before I go do
anything drastic.
> That's for 2.4. For 2.5, we'd like sync_old_buffers to just
> go away. Do you have time to test
>http://www.zip.com.au/~akpm/linux/patches/2.5/2.5.8/everything.patch.gz
Absolutely. What else does it contain that I should watch out for?
--
Dave Hansen
haveblue@us.ibm.com
next prev parent reply other threads:[~2002-04-22 22:23 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-22 21:01 locking in sync_old_buffers Dave Hansen
2002-04-22 22:08 ` Andrew Morton
2002-04-22 22:23 ` Dave Hansen [this message]
2002-04-22 22:28 ` Linus Torvalds
2002-04-22 22:50 ` Andrew Morton
2002-04-23 1:31 ` Alexander Viro
2002-04-23 18:29 ` Dave Hansen
2002-04-22 22:25 ` Martin J. Bligh
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