trace_block_rq_error(9)

🌸 trace_block_rq_error(9) 🌸

okay so bestie, this is the trace_block_rq_error(9) page straight outta the Kernel API Manual 💖 and honestly it’s giving “tiny but important kernel tea.” Let’s get into it ✨

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✨ NAME ✨

trace_block_rq_error — block IO operation error reported by device driver 👑💅

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🎀 SYNOPSIS 🎀

void trace_block_rq_error (struct request *rq , blk_status_t error ,
       unsigned int nr_bytes );

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🫶 ARGUMENTS 🫶

• rq — block operations request 🧚
• error — status code 💀
• nr_bytes — number of completed bytes 🍓

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💅 DESCRIPTION 💅

So the block_rq_error tracepoint event is literally the signal that says: some portion of an operation request has failed, as reported by the device driver. That’s the whole vibe 😭✨

No cap, that’s the tea. 🫶

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🌈 SEE ALSO 🌈

• Kernel file ./include/trace/events/block.h 📁
• trace_block_touch_buffer(9)
• trace_block_dirty_buffer(9)
• trace_block_rq_requeue(9)
• trace_block_rq_complete(9)
• trace_block_rq_tag_wait(9)
• trace_block_rq_insert(9)
• trace_block_rq_issue(9)
• trace_block_rq_merge(9)
• trace_block_io_start(9)
• trace_block_io_done(9)
• trace_block_bio_complete(9)
• trace_block_bio_backmerge(9)
• trace_block_bio_frontmerge(9)
• trace_block_bio_queue(9)
• trace_block_getrq(9)
• trace_blk_zone_append_update_request_bio(9)
• trace_block_plug(9)
• trace_block_unplug(9)
• trace_block_split(9)
• trace_block_bio_remap(9)
• trace_block_rq_remap(9)
• trace_blkdev_zone_mgmt(9)

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okay love u bye bestie 🫶 this page is from ./include/trace/events, dated October 2026, and it’s literally trace_block_rq_error(9) — periodt 💅✨