int btrfs_decompress_buf2page(char *buf, unsigned long buf_start,
unsigned long total_out, u64 disk_start,
struct bio_vec *bvec, int vcnt,
- unsigned long *page_index,
+ unsigned long *pg_index,
unsigned long *pg_offset);
int btrfs_submit_compressed_write(struct inode *inode, u64 start,