[OnePlus 6T  Guides, News, & Discussion] foobar66:
No not precisely, but here is the list of partitions with their names:

0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 ALIGN_TO_128K_1 -> /dev/block/sdd1@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 ALIGN_TO_128K_2 -> /dev/block/sdf1@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 ImageFv -> /dev/block/sde72@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 LOGO_a -> /dev/block/sde20@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 LOGO_b -> /dev/block/sde48@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 abl_a -> /dev/block/sde8@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 abl_b -> /dev/block/sde36@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 aging -> /dev/block/sde58@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 aop_a -> /dev/block/sde1@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 aop_b -> /dev/block/sde29@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 apdp -> /dev/block/sde63@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 bluetooth_a -> /dev/block/sde5@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 bluetooth_b -> /dev/block/sde33@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 boot_a -> /dev/block/sde11@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 boot_b -> /dev/block/sde39@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 cdt -> /dev/block/sdd2@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 cmnlib64_a -> /dev/block/sde13@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 cmnlib64_b -> /dev/block/sde41@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 cmnlib_a -> /dev/block/sde12@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 cmnlib_b -> /dev/block/sde40@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 config -> /dev/block/sda12@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 ddr -> /dev/block/sdd3@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 devcfg_a -> /dev/block/sde14@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 devcfg_b -> /dev/block/sde42@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 devinfo -> /dev/block/sde61@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 dip -> /dev/block/sde62@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 dsp_a -> /dev/block/sde9@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 dsp_b -> /dev/block/sde37@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 dtbo_a -> /dev/block/sde18@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 dtbo_b -> /dev/block/sde46@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 frp -> /dev/block/sda6@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 fsc -> /dev/block/sdf5@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 fsg -> /dev/block/sdf4@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 fw_4j1ed_a -> /dev/block/sde21@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 fw_4j1ed_b -> /dev/block/sde49@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 fw_4u1ea_a -> /dev/block/sde22@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 fw_4u1ea_b -> /dev/block/sde50@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 fw_ufs3_a -> /dev/block/sde23@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 fw_ufs3_b -> /dev/block/sde51@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 fw_ufs4_a -> /dev/block/sde24@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 fw_ufs4_b -> /dev/block/sde52@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 fw_ufs5_a -> /dev/block/sde25@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 fw_ufs5_b -> /dev/block/sde53@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 fw_ufs6_a -> /dev/block/sde26@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 fw_ufs6_b -> /dev/block/sde54@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 fw_ufs7_a -> /dev/block/sde27@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 fw_ufs7_b -> /dev/block/sde55@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 fw_ufs8_a -> /dev/block/sde28@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 fw_ufs8_b -> /dev/block/sde56@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 hyp_a -> /dev/block/sde3@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 hyp_b -> /dev/block/sde31@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 keymaster_a -> /dev/block/sde10@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 keymaster_b -> /dev/block/sde38@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 keystore -> /dev/block/sda5@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 limits -> /dev/block/sde67@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 logdump -> /dev/block/sde71@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 logfs -> /dev/block/sde69@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 mdtp_a -> /dev/block/sde7@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 mdtp_b -> /dev/block/sde35@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 mdtpsecapp_a -> /dev/block/sde6@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 mdtpsecapp_b -> /dev/block/sde34@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 minidump -> /dev/block/sde57@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 misc -> /dev/block/sda3@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 modem_a -> /dev/block/sde4@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 modem_b -> /dev/block/sde32@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 modemst1 -> /dev/block/sdf2@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 modemst2 -> /dev/block/sdf3@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 msadp -> /dev/block/sde64@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 odm_a -> /dev/block/sda15@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 odm_b -> /dev/block/sda16@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 oem_dycnvbk -> /dev/block/sda8@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 oem_stanvbk -> /dev/block/sda9@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 op1 -> /dev/block/sde59@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 op2 -> /dev/block/sda7@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 param -> /dev/block/sda4@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 persist -> /dev/block/sda2@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 qupfw_a -> /dev/block/sde15@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 qupfw_b -> /dev/block/sde43@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 reserve1 -> /dev/block/sda10@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 reserve2 -> /dev/block/sda11@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 sec -> /dev/block/sde60@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 splash -> /dev/block/sde66@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 spunvm -> /dev/block/sde65@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 ssd -> /dev/block/sda1@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 sti -> /dev/block/sde70@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 storsec_a -> /dev/block/sde19@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 storsec_b -> /dev/block/sde47@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 system_a -> /dev/block/sda13@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 system_b -> /dev/block/sda14@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 toolsfv -> /dev/block/sde68@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 tz_a -> /dev/block/sde2@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 tz_b -> /dev/block/sde30@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 userdata -> /dev/block/sda17@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 vbmeta_a -> /dev/block/sde17@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 vbmeta_b -> /dev/block/sde45@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 vendor_a -> /dev/block/sde16@
0 lrwxrwxrwx 1 root root 16 1970-01-01 08:50 vendor_b -> /dev/block/sde44@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 xbl_a -> /dev/block/sdb1@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 xbl_b -> /dev/block/sdc1@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 xbl_config_a -> /dev/block/sdb2@
0 lrwxrwxrwx 1 root root 15 1970-01-01 08:50 xbl_config_b -> /dev/block/sdc2@

I am just guessing it might be xbl_a and xbl_config_a ... but I am not sure.