[PATCH] fuse: clean up dead code related to nfs exporting

[Miklos Szeredi <miklos@szeredi.hu>]

Remove last remains of NFS exportability support.

The code is actually buggy (as reported by Akshat Aranya), since
'alias' will be leaked if it's non-null and alias->d_flags has
DCACHE_DISCONNECTED.

This is not an active bug, since there will never be any disconnected
dentries.  But it's better to get rid of the unnecessary complexity
anyway.

Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>

Index: linux/fs/fuse/dir.c
===================================================================
--- linux.orig/fs/fuse/dir.c	2005-09-28 12:57:38.000000000 +0200
+++ linux/fs/fuse/dir.c	2005-09-30 12:07:11.000000000 +0200
@@ -741,13 +741,14 @@ static struct dentry *fuse_lookup(struct
 	if (inode && S_ISDIR(inode->i_mode)) {
 		/* Don't allow creating an alias to a directory  */
 		struct dentry *alias = d_find_alias(inode);
-		if (alias && !(alias->d_flags & DCACHE_DISCONNECTED)) {
+		if (alias) {
 			dput(alias);
 			iput(inode);
 			return ERR_PTR(-EIO);
 		}
 	}
-	return d_splice_alias(inode, entry);
+	d_add(entry, inode);
+	return NULL;
 }
 
 static int fuse_setxattr(struct dentry *entry, const char *name,
-
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