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From: Andi Kleen <andi@firstfloor.org>
To: npiggin@suse.de
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [patch 08/14] fs: scale inode alias list
Date: Mon, 30 Mar 2009 14:18:07 +0200	[thread overview]
Message-ID: <87zlf3mcg0.fsf@basil.nowhere.org> (raw)
In-Reply-To: <20090329155749.455863870@nick.local0.net> (npiggin@suse.de's message of "Mon, 30 Mar 2009 02:55:47 +1100")

npiggin@suse.de writes:

> Add a new lock, dcache_inode_lock, to protect the inode's i_dentry list
> from concurrent modification. d_alias is also protected by d_lock.

This would seem to ask for per object lock? Why not put it into the inode?

-Andi

-- 
ak@linux.intel.com -- Speaking for myself only.

  reply	other threads:[~2009-03-30 12:18 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-29 15:55 [rfc] scale dcache locking npiggin
2009-03-29 15:55 ` [patch 01/14] fs: dcache fix LRU ordering npiggin
2009-03-29 15:55 ` [patch 02/14] fs: dcache scale hash npiggin
2009-03-29 15:55 ` [patch 03/14] fs: dcache scale lru npiggin
2009-03-29 15:55 ` [patch 04/14] fs: dcache scale nr_dentry npiggin
2009-03-29 15:55 ` [patch 05/14] fs: dcache scale dentry refcount npiggin
2009-03-29 15:55 ` [patch 06/14] fs: dcache scale d_unhashed npiggin
2009-03-29 15:55 ` [patch 07/14] fs: dcache scale subdirs npiggin
2009-03-29 15:55 ` [patch 08/14] fs: scale inode alias list npiggin
2009-03-30 12:18   ` Andi Kleen [this message]
2009-03-30 12:31     ` Nick Piggin
2009-03-29 15:55 ` [patch 09/14] fs: use RCU / seqlock logic for reverse and multi-step operaitons npiggin
2009-03-30 12:16   ` Andi Kleen
2009-03-30 12:29     ` Nick Piggin
2009-03-30 12:43       ` Andi Kleen
2009-03-29 15:55 ` [patch 10/14] fs: dcache remove dcache_lock npiggin
2009-03-29 15:55 ` [patch 11/14] fs: dcache reduce dput locking npiggin
2009-03-29 15:55 ` [patch 12/14] fs: dcache per-bucket dcache hash locking npiggin
2009-03-30 12:14   ` Andi Kleen
2009-03-30 12:27     ` Nick Piggin
2009-03-30 12:47       ` Andi Kleen
2009-03-30 12:59         ` Nick Piggin
2009-03-30 18:00     ` Christoph Hellwig
2009-03-31  1:57       ` Nick Piggin
2009-03-29 15:55 ` [patch 13/14] fs: dcache reduce dcache_inode_lock npiggin
2009-03-29 15:55 ` [patch 14/14] fs: dcache per-inode inode alias locking npiggin
2009-04-01 14:23 ` [rfc] scale dcache locking Al Viro
2009-04-02  9:43   ` Nick Piggin

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