Overlay FS: Add fields proc.is_exe_lower_layer, fd.is_upper_layer and…

… fd.is_lower_layer

Signed-off-by: Eddy Duer <[email protected]>

driver/bpf/filler_helpers.h

@@ -280,21 +280,20 @@ static __always_inline unsigned long bpf_encode_dev(dev_t dev)
 	return (minor & 0xff) | (major << 8) | ((minor & ~0xff) << 12);
 }
 
-static __always_inline void bpf_get_fd_dev_ino(int fd, unsigned long *dev, unsigned long *ino)
+static __always_inline void bpf_get_fd_dev_ino_file(int fd, unsigned long *dev, unsigned long *ino, struct file **file)
 {
 	struct super_block *sb;
 	struct inode *inode;
-	struct file *file;
 	dev_t kdev;
 
 	if (fd < 0)
 		return;
 
-	file = bpf_fget(fd);
-	if (!file)
+	*file = bpf_fget(fd);
+	if (!*file)
 		return;
 
-	inode = _READ(file->f_inode);
+	inode = _READ((*file)->f_inode);
 	if (!inode)
 		return;