S_AUTOMOUNT
inode->i_flags |= S_AUTOMOUNT | S_NOATIME;
inode->i_flags |= S_AUTOMOUNT;
inode->i_flags |= S_AUTOMOUNT;
inode->i_flags |= S_AUTOMOUNT;
inode->i_flags |= S_AUTOMOUNT;
inode->i_flags |= S_AUTOMOUNT;
#define IS_AUTOMOUNT(inode) ((inode)->i_flags & S_AUTOMOUNT)