blkg_prfill_rwstat(9)

💅 blkg_prfill_rwstat(9) — Kernel API Manual, but make it make sense

okay so bestie, welcome to blkg_prfill_rwstat(9) — yes the whole thing is in the Kernel API Manual, and yes we're gonna get through it together 🫶

It's literally the prfill callback for blkg_rwstat. That's the whole vibe. periodt.

---

✨ NAME ✨

blkg_prfill_rwstat — prfill callback for blkg_rwstat 🎀

---

📜 SYNOPSIS 📜

u64 blkg_prfill_rwstat (struct seq_file *sf , struct blkg_policy_data
*pd , int off );

so it hands you back a u64, and it takes three lil guys. keep reading, i got you 💖

---

🧚 ARGUMENTS 🧚

• sf — the seq_file you're printing to. that's it. that's the destination, no cap ✨
• pd — the policy private data of interest. the data in question. the main character, honestly 👑
• off — the offset to the blkg_rwstat in pd. so like, where inside pd — that's the spot 📍

---

🔥 DESCRIPTION 🔥

prfill callback for printing a blkg_rwstat. that's literally the assignment, and it ate 💅

---

🦋 SEE ALSO 🦋

• Kernel file ./block/blk-cgroup-rwstat.c — and yeah, it's the file, go look at it, iykyk
• __blkg_prfill_rwstat(9) — the double-underscore sibling 👀
• blkg_rwstat_recursive_sum(9) — the recursive one, obsessed 🌸

---

lowkey reminder bestie: off is an offset, not a vibe. be normal about it 😭

---

and that's the page!! it's giving short and sweet, fr fr. the whole thing lives down in ./block, and it was dated October 2026 — yes, the future, we stay ahead 🕰️✨ mwah, go read the source, ily, bye 🧚💜