Extern or forward variable declaration at include/linux/backing-dev.h, line 20 References: fs/nfs/dir.c, line 47 fs/nfs/dir.c, line 48 fs/nfs/dir.c, line 49 fs/nfs/dir.c, line 50 fs/nfs/dir.c, line 51 fs/nfs/dir.c, line 52 fs/nfs/dir.c, line 53 fs/nfs/dir.c, line 54 fs/nfs/dir.c, line 55 fs/nfs/dir.c, line 56 fs/nfs/dir.c, line 57 fs/nfs/dir.c, line 107 fs/nfs/dir.c, line 177 fs/nfs/dir.c, line 188 fs/nfs/dir.c, line 313 fs/nfs/dir.c, line 392 fs/nfs/dir.c, line 403 fs/nfs/dir.c, line 418 fs/nfs/dir.c, line 419 fs/nfs/dir.c, line 420 fs/nfs/dir.c, line 423 fs/nfs/dir.c, line 424 fs/nfs/dir.c, line 425 fs/nfs/dir.c, line 445 fs/nfs/dir.c, line 446 fs/nfs/dir.c, line 469 fs/nfs/dir.c, line 484 fs/nfs/dir.c, line 522 fs/nfs/dir.c, line 523 fs/nfs/dir.c, line 532 fs/nfs/dir.c, line 558 fs/nfs/dir.c, line 594 fs/nfs/dir.c, line 599 fs/nfs/dir.c, line 606 fs/nfs/dir.c, line 622 fs/nfs/dir.c, line 630 fs/nfs/dir.c, line 633 fs/nfs/dir.c, line 659 fs/nfs/dir.c, line 661 fs/nfs/dir.c, line 663 fs/nfs/dir.c, line 668 fs/nfs/dir.c, line 740 fs/nfs/dir.c, line 746 fs/nfs/dir.c, line 760 fs/nfs/dir.c, line 764 fs/nfs/dir.c, line 769 fs/nfs/dir.c, line 773 fs/nfs/dir.c, line 776 fs/nfs/dir.c, line 783 fs/nfs/dir.c, line 784 fs/nfs/dir.c, line 789 fs/nfs/dir.c, line 798 fs/nfs/dir.c, line 806 fs/nfs/dir.c, line 811 fs/nfs/dir.c, line 812 fs/nfs/dir.c, line 822 fs/nfs/dir.c, line 824 fs/nfs/dir.c, line 826 fs/nfs/dir.c, line 830 fs/nfs/dir.c, line 831 fs/nfs/dir.c, line 838 fs/nfs/dir.c, line 841 fs/nfs/dir.c, line 842 fs/nfs/dir.c, line 845 fs/nfs/dir.c, line 848 fs/nfs/dir.c, line 852 fs/nfs/dir.c, line 865 fs/nfs/dir.c, line 871 fs/nfs/dir.c, line 874