[PATCH 4/5] fuse: use dentry in statfs

[Miklos Szeredi <miklos@szeredi.hu>]

Some filesystems may want to report different values depending on the
path within the filesystem, i.e. one mount is actually several
filesystems.  This can be the case for a network filesystem exported
by an unprivileged server (e.g. sshfs).

This is now possible, thanks to David Howells "VFS: Permit filesystem
to perform statfs with a known root dentry" patch.

This change is backward compatible, so no need to change interface
version.

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

Index: linux/fs/fuse/inode.c
===================================================================
--- linux.orig/fs/fuse/inode.c	2006-07-27 14:38:04.000000000 +0200
+++ linux/fs/fuse/inode.c	2006-07-27 14:38:12.000000000 +0200
@@ -252,6 +252,7 @@ static int fuse_statfs(struct dentry *de
 	memset(&outarg, 0, sizeof(outarg));
 	req->in.numargs = 0;
 	req->in.h.opcode = FUSE_STATFS;
+	req->in.h.nodeid = get_node_id(dentry->d_inode);
 	req->out.numargs = 1;
 	req->out.args[0].size =
 		fc->minor < 4 ? FUSE_COMPAT_STATFS_SIZE : sizeof(outarg);
-
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