xfs_buf_get_map
error = xfs_buf_get_map(target, map, nmaps, flags, &bp);
if (xfs_buf_get_map(target, map, nmaps, flags | XBF_TRYLOCK, &bp))
int xfs_buf_get_map(struct xfs_buftarg *target, struct xfs_buf_map *map,
return xfs_buf_get_map(target, &map, 1, XBF_INCORE | flags, bpp);
return xfs_buf_get_map(target, &map, 1, 0, bpp);
return xfs_buf_get_map(target, map, nmaps, flags, bpp);
error = xfs_buf_get_map(target, map, nmaps, flags, &bp);