blk_mq_destroy_queue(9)

💖 NAME 💖

okay so bestie, welcome to blk_mq_destroy_queue(9) from the Kernel API Manual — this is literally the function that handles shutdown a request queue 🫶✨

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✨ SYNOPSIS ✨

void blk_mq_destroy_queue (struct request_queue *q );

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🌸 ARGUMENTS 🌸

• q — the request queue to shutdown, no cap 💅

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🦋 DESCRIPTION 🦋

This right here shuts down a request queue that was allocated by blk_mq_alloc_queue 💖. All future requests will be failed with -ENODEV — yes, every single one 😭.

Bestie, the caller is responsible for dropping the reference from blk_mq_alloc_queue by calling blk_put_queue 🫶 don’t forget that part, fr fr.

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😴 CONTEXT 😴

Context vibe check: can sleep 😴 — that’s the whole note, icon behavior confirmed.

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🔥 SEE ALSO 🔥

Kernel file ./block/blk-mq.c, plus these absolutely iconic references 👑

• blk_mq_wait_quiesce_done(9)
• blk_mq_quiesce_queue(9)
• blk_update_request(9)
• blk_mq_complete_request(9)
• blk_mq_start_request(9)
• blk_execute_rq_nowait(9)
• blk_execute_rq(9)
• blk_mq_delay_run_hw_queue(9)
• blk_mq_run_hw_queue(9)
• blk_mq_run_hw_queues(9)
• blk_mq_delay_run_hw_queues(9)
• blk_mq_request_bypass_insert(9)
• blk_mq_try_issue_directly(9)
• blk_mq_submit_bio(9)
• blk_insert_cloned_request(9)
• blk_rq_unprep_clone(9)
• blk_rq_prep_clone(9)

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byeee 💖 this icon comes from ./block, dated October 2026, and it’s literally blk_mq_destroy_queue(9) — periodt 🌈