trace_block_rq_issue(9)

📦 version 7.3.1, in nixpkgs unstable

💅 trace_block_rq_issue — Kernel API Manual ✨

okay so welcome to the group chat, bestie 💖 you're looking at trace_block_rq_issue(9) from the Kernel API Manual, and honestly? she's a lil short but she's iconic. let's get into it 🎀

🌸 NAME 🌸

trace_block_rq_issue — the one that issues a pending block IO request operation to the device driver 🦋 lowkey the moment before the actual work happens, and we're here for it.

✨ SYNOPSIS ✨

void trace_block_rq_issue (struct request *rq );

that's it. that's the whole signature. no cap, she's a single-argument queen 👑

🫶 ARGUMENTS 🫶

  • rq — the block IO operation request. yes that's the whole description, she's mysterious like that 💅

🔥 DESCRIPTION 🔥

so here's the vibe: this gets called when block operation request rq from queue q is sent to a device driver for processing. that's the whole moment — the request is leaving the queue and heading off to the driver to actually get done 🌈 main character energy fr fr.

(it mentions queue q even though q isn't in the signature — that's just how the original tells the story, don't come for me 😭)

👑 SEE ALSO 👑

it's giving very well-connected, she knows everybody. kernel file ./include/trace/events/block.h is the home base 🏠 and then the whole friend group:

like?? the range. the connections. obsessed 💜

ngl there's not much else on this page — no flags, no exit statuses, no env vars, no bugs section, no author credits beyond what's below. short and sweet, just like she is 🍓

and that's the whole page bestie!! source is ./include/trace/events, version stamped October 2026, and the page is literally called trace_block_rq_issue(9) — go forth and trace those requests, you absolute icon 🧚‍♀️⭐💖

📦 where this page comes from