OnePlus6:/ $ su
OnePlus6:/ # cat /d/f2fs/status

=====[ partition info(sda17). #0, RW, CP: Good]=====
[SB: 1] [CP: 2] [SIT: 4] [NAT: 116] [SSA: 110] [MAIN: 56087(OverProv:675 Resv:341)]

Utilization: 79% (22418059 valid blocks, 9145 discard blocks)
  - Node: 395703 (Inode: 379987, Other: 15716)
  - Data: 22022356
  - Inline_xattr Inode: 91586
  - Inline_data Inode: 7496
  - Inline_dentry Inode: 32198
  - Orphan/Append/Update Inode: 31, 0, 0

Main area: 56087 segs, 56087 secs 56087 zones
  - COLD  data: 44939, 44939, 44939
  - WARM  data: 44945, 44945, 44945
  - HOT   data: 1510, 1510, 1510
  - Dir   dnode: 348, 348, 348
  - File   dnode: 1511, 1511, 1511
  - Indir nodes: 4421, 4421, 4421

  - Valid: 42809
  - Dirty: 1594
  - Prefree: 2
  - Free: 11682 (11682)

CP calls: 4635 (BG: 37)
GC calls: 1640 (BG: 1642)
  - data segments : 1113 (1113)
  - node segments : 527 (527)
Try to move 195149 blocks (BG: 195149)
  - data blocks : 145614 (145614)
  - node blocks : 49535 (49535)
Skipped : atomic write 0 (0)

Extent Cache:
  - Hit Count: L1-1:652842 L1-2:157052 L2:21783
  - Hit Ratio: 11% (831677 / 7248218)
  - Inner Struct Count: tree: 58497(0), node: 2457

Balancing F2FS Async:
  - IO (CP: -5397, Data: 5397, Flush: (   0    0    1), Discard: ( 409 27612)) cmd: 12063 undiscard:36769
  - inmem:    0, atomic IO:    0 (Max.    2), volatile IO:    0 (Max.    0)
  - nodes:   20 in 119512
  - dents:    0 in dirs:   0 (   0)
  - datas:   73 in files:   0
  - quota datas:    0 in quota files:   2
  - meta:    0 in 3786
  - imeta:    0
  - NATs:         0/    52070
  - SITs:         0/    56087
  - free_nids:      3025/ 13115972
  - alloc_nids:         0

Distribution of User Blocks: [ valid | invalid | free ]
  [---------------------------------------|--|---------]

IPU: 683507 blocks
SSR: 104074 blocks in 943 segments
LFS: 6872419 blocks in 13423 segments

BDF: 99, avg. vblocks: 313

Memory: 515238 KB
  - static: 14753 KB
  - cached: 7293 KB
  - paged : 493192 KB