xfs_da_get_buf
error = xfs_da_get_buf(args->trans, dp, blkno, &bp2, XFS_ATTR_FORK);
error = xfs_da_get_buf(args->trans, args->dp, blkno, &bp,
error = xfs_da_get_buf(tp, dp, blkno, &bp, whichfork);
error = xfs_da_get_buf(tp, dp, blkno, &bp, args->whichfork);
int xfs_da_get_buf(struct xfs_trans *trans, struct xfs_inode *dp,
error = xfs_da_get_buf(tp, dp, xfs_dir2_db_to_da(args->geo, blkno),
error = xfs_da_get_buf(tp, dp, xfs_dir2_db_to_da(args->geo, bno),
error = xfs_da_get_buf(tp, dp, xfs_dir2_db_to_da(args->geo, fbno),
error = xfs_da_get_buf(trans, dp, 0, &bp, XFS_ATTR_FORK);