btrfs_add_extent_mapping
int btrfs_add_extent_mapping(struct btrfs_inode *inode,
ret = btrfs_add_extent_mapping(inode, &em, start, len);
ret = btrfs_add_extent_mapping(inode, &em, em->start, em->len);
ret = btrfs_add_extent_mapping(inode, &em, em->start, em->len);
ret = btrfs_add_extent_mapping(inode, &em, em->start, em->len);
ret = btrfs_add_extent_mapping(inode, &em, em->start, em->len);
ret = btrfs_add_extent_mapping(inode, &em, em->start, em->len);
ret = btrfs_add_extent_mapping(inode, &em, em->start, em->len);
ret = btrfs_add_extent_mapping(inode, &em, start, len);
ret = btrfs_add_extent_mapping(inode, &em, em->start, em->len);
ret = btrfs_add_extent_mapping(inode, &em, em->start, em->len);
ret = btrfs_add_extent_mapping(inode, &em, start, len);
ret = btrfs_add_extent_mapping(inode, &em, em->start, em->len);
ret = btrfs_add_extent_mapping(inode, &em, 0, SZ_8K);
ret = btrfs_add_extent_mapping(inode, &em, em->start, em->len);
ret = btrfs_add_extent_mapping(inode, &em, em->start, em->len);
ret = btrfs_add_extent_mapping(inode, &em, em->start, em->len);
ret = btrfs_add_extent_mapping(inode, &em, em->start, em->len);
ret = btrfs_add_extent_mapping(inode, &em, SZ_1K * 140, SZ_4K);