blk_mq_wait_quiesce_done(9)

💅 blk_mq_wait_quiesce_done 💅

okay so this is a page straight out of the Kernel API Manual bestie, and it's lowkey one of those tiny functions that does exactly one thing and does it iconically 🎀

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✨ NAME ✨

blk_mq_wait_quiesce_done — literally just: wait until the in-progress quiesce is done. that's the whole vibe. no cap. ⏳

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🦋 SYNOPSIS 🦋

void blk_mq_wait_quiesce_done (struct blk_mq_tag_set *set );

the way that this signature is just void and takes one single pointer… main character energy fr fr 💅

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🌸 ARGUMENTS 🌸

• set — the tag_set you're waiting on. that's it. that's the whole argument. she's simple, she's elegant, she's not doing too much 🫶

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💀 NOTE 💀 — read this one, bestie, it's important

it is the driver's responsibility for making sure that quiesce has been started on or more of the request_queues of the tag_set.

(yeah — the original says "on or more", we're keeping it exactly as written, no editing the source text 🙈)

and here's the crucial part: this function only waits for the quiesce on those request_queues that had the quiesce flag set using blk_mq_quiesce_queue_nowait. so like… if you didn't set the flag, she's not waiting on it. it's giving "you didn't ask, so I'm not checking" 😭

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🔥 SEE ALSO 🔥

• Kernel file ./block/blk-mq.c
• 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)
• blk_mq_destroy_queue(9)

like, that's a whole friend group of block-layer functions and she's connected to every single one of them 👑✨

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and that's the whole page, bestie!! sourced from ./block, dated October 2026, and filed under blk_mq_wait_quiesce_done(9) 🧚💖 stay quiesced, stay slay, ily bye 💜🦋