From: Christoph Hellwig <hch@infradead.org>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: "Martin J. Bligh" <mbligh@aracnet.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@digeo.com>
Subject: Re: [PATCH] 6/6 cacheline align files_lock
Date: Sat, 8 Mar 2003 18:10:11 +0000 [thread overview]
Message-ID: <20030308181011.A30313@infradead.org> (raw)
In-Reply-To: <Pine.LNX.4.44.0303080801020.2954-100000@home.transmeta.com>; from torvalds@transmeta.com on Sat, Mar 08, 2003 at 08:10:29AM -0800
On Sat, Mar 08, 2003 at 08:10:29AM -0800, Linus Torvalds wrote:
> So to actually fix file_lock, you need to do something else. I _think_
> that "something else" may be to make it be a per-super-block lock, since I
> think that's the only thing the f_list thing is actually used for. Then
> you should probably pass in the superblock pointer to "get_empty_filp()",
> and _then_ you can get rid of the free list and the current global lock.
Agreed, that's what I actually though when looking into that stuff in more
detail a while ago - I just couldn't remember everything now that Martin
brought it up again. Killing the freelist seems like a good idea anyway
(or rather keep a small list for the reserved filp that is used only
_after_ kmem_cache_alloc() failed)
next prev parent reply other threads:[~2003-03-08 17:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-07 23:36 Martin J. Bligh
[not found] ` <20030308073535.B24272@infradead.org>
2003-03-08 15:41 ` Martin J. Bligh
2003-03-08 15:54 ` Christoph Hellwig
2003-03-08 16:10 ` Linus Torvalds
2003-03-08 18:10 ` Christoph Hellwig [this message]
2003-03-08 18:20 ` Linus Torvalds
2003-03-08 16:38 ` William Lee Irwin III
-- strict thread matches above, loose matches on Subject: below --
2003-03-05 17:23 [PATCH] 1/6 Share common physnode_map code between NUMA-Q and Summit Martin J. Bligh
2003-03-05 17:24 ` [PATCH] 2/6 Make CONFIG_NUMA work on non-numa machines Martin J. Bligh
2003-03-05 17:24 ` [PATCH] 3/6 Convert physnode_map to u8 Martin J. Bligh
2003-03-05 17:25 ` [PATCH] 4/6 Fix the type of get_zholes_size for NUMA-Q Martin J. Bligh
2003-03-05 17:26 ` [PATCH] 5/6 Provide basic documentation for profiling Martin J. Bligh
2003-03-05 17:27 ` [PATCH] 6/6 cacheline align files_lock Martin J. Bligh
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