Extern or forward variable declaration at include/linux/fs.h, line 50 References: fs/bad_inode.c, line 124 fs/btrfs/extent_io.c, line 4610 fs/btrfs/extent_io.c, line 4683 fs/btrfs/extent_io.c, line 4699 fs/btrfs/extent_io.h, line 206 fs/btrfs/inode.c, line 7996 fs/cifs/cifsglob.h, line 510 fs/cifs/inode.c, line 2408 fs/cifs/smb2ops.c, line 3457 fs/ext2/ext2.h, line 763 fs/ext2/inode.c, line 861 fs/ext4/ext4.h, line 3329 fs/ext4/ext4.h, line 3446 fs/ext4/ext4.h, line 3449 fs/ext4/extents.c, line 2139 fs/ext4/extents.c, line 4881 fs/ext4/extents.c, line 4911 fs/ext4/ioctl.c, line 786 fs/f2fs/data.c, line 1826 fs/f2fs/data.c, line 1917 fs/f2fs/f2fs.h, line 3462 fs/f2fs/f2fs.h, line 3779 fs/f2fs/inline.c, line 746 fs/gfs2/inode.c, line 2058 fs/hpfs/file.c, line 193 fs/ioctl.c, line 112 fs/ioctl.c, line 164 fs/ioctl.c, line 199 fs/ioctl.c, line 295 fs/ioctl.c, line 453 fs/iomap/fiemap.c, line 12 fs/iomap/fiemap.c, line 16 fs/iomap/fiemap.c, line 68 fs/nilfs2/inode.c, line 987 fs/nilfs2/nilfs.h, line 278 fs/ocfs2/extent_map.c, line 703 fs/ocfs2/extent_map.c, line 736 fs/overlayfs/inode.c, line 472 fs/xfs/xfs_iops.c, line 1130 include/linux/fiemap.h, line 8 include/linux/fiemap.h, line 16 include/linux/fiemap.h, line 18 include/linux/fiemap.h, line 22 include/linux/fs.h, line 50 include/linux/fs.h, line 1863 include/linux/iomap.h, line 14 include/linux/iomap.h, line 179