Re: VFS scalability git tree

From: john stultz
Date: Mon Aug 02 2010 - 20:28:19 EST


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: âfuse_dentry_revalidate_rcuâ 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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