blk_kick_flush(9)

💅 blk_kick_flush — the manual page, bestie edition

okay so you found your way to blk_kick_flush(9), the kernel API manual entry for a little function that's genuinely out here doing the most. it lives in section 9 of the manual (the kernel API one), and honestly? it's giving backstage-pass energy. let's get into it ✨

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🌸 NAME

blk_kick_flush — consider issuing flush request

like, consider. it thinks about it. it decides. main character energy fr fr 💅

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🦋 SYNOPSIS

void blk_kick_flush (struct request_queue *q , struct blk_flush_queue
*fq , blk_opf_t flags );

returns void, takes three things, no notes. slay.

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🎀 ARGUMENTS

• q — the request_queue being kicked 👢 like yes we are kicking it, that's the whole vibe
• fq — the flush queue. the queue, but specifically for flushes. iconic
• flags — cmd_flags of the original request 🫶 the receipts from where this all started

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💖 DESCRIPTION

so the flush-related states of q have changed — changed!! — and now we consider issuing a flush request. that's the whole job. it considers. it issues (or doesn't). it moves on.

and if you wanna know more? the page is literally telling you to go read the comment at the top of this file. yeah. the source file. the comment at the top of it. that's where the lore lives 📖✨ literally just go read it, iykyk.

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⭐ CONTEXT

spin_lock_irq(fq->mq_flush_lock)

this is the locking context, bestie — that's the world this function wakes up in. don't forget it 🫶

no cap, this line is here for a reason. know your context before you call stuff.

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🌈 SEE ALSO

• Kernel file ./block/blk-flush.c 📁 — the sacred text itself
• blk_flush_complete_seq(9) — its friend in the same neighborhood
• blkdev_issue_flush(9) — the other flush-adjacent icon 👑

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okay that's the whole page, you ate that 💅 and for the sign-off: this beauty comes from the ./block directory, dated October 2026, and it's brought to you by version blk_kick_flush(9) of the kernel API manual. mwah 🍓✨🦋