linux-kernel - Re: VFS scalability git tree

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Message-ID: <1280795279.3966.47.camel@localhost.localdomain>
Date:	Mon, 02 Aug 2010 17:27:59 -0700
From:	john stultz <johnstul@...ibm.com>
To:	Nick Piggin <npiggin@...e.de>
Cc:	Nick Piggin <npiggin@...nel.dk>, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Frank Mayhar <fmayhar@...gle.com>
Subject: Re: VFS scalability git tree

On Fri, 2010-07-30 at 19:12 +1000, Nick Piggin wrote:
> On Fri, Jul 23, 2010 at 05:01:00AM +1000, Nick Piggin wrote:
> > I'm pleased to announce I have a git tree up of my vfs scalability work.
> > 
> > git://git.kernel.org/pub/scm/linux/kernel/git/npiggin/linux-npiggin.git
> > http://git.kernel.org/?p=linux/kernel/git/npiggin/linux-npiggin.git
> > 
> > Branch vfs-scale-working
> > 
> > The really interesting new item is the store-free path walk, (43fe2b)
> > which I've re-introduced. It has had a complete redesign, it has much
> > better performance and scalability in more cases, and is actually sane
> > code now.
> 
> Things are progressing well here with fixes and improvements to the
> branch.

Hey Nick,
	Just another minor compile issue with today's vfs-scale-working branch.

fs/fuse/dir.c:231: error: ‘fuse_dentry_revalidate_rcu’ undeclared here
(not in a function)

>>From looking at the vfat and ecryptfs changes in
582c56f032983e9a8e4b4bd6fac58d18811f7d41 it looks like you intended to
add the following? 


diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index f0c2479..9ee4c10 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -154,7 +154,7 @@ u64 fuse_get_attr_version(struct fuse_conn *fc)
  * the lookup once more.  If the lookup results in the same inode,
  * then refresh the attributes, timeouts and mark the dentry valid.
  */
-static int fuse_dentry_revalidate(struct dentry *entry, struct nameidata *nd)
+static int fuse_dentry_revalidate_rcu(struct dentry *entry, struct nameidata *nd)
 {
 	struct inode *inode = entry->d_inode;
 


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