ufs_get_locked_folio(9)

💅 ufs_get_locked_folio(9) 💅

ok so bestie, welcome to the Kernel API Manual — this one's a lil UFS function called ufs_get_locked_folio, and honestly it's giving "find it, grab it, lock it down" energy 👑

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✨ NAME ✨

ufs_get_locked_folio — locate, pin and lock a pagecache folio, and if it doesn't exist yet, read it from disk. that's the whole gig fr fr 🫶

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🌸 SYNOPSIS 🌸

struct folio * ufs_get_locked_folio (struct address_space *mapping ,
       pgoff_t index );

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🎀 ARGUMENTS 🎀

• mapping — the address_space to search. it's the place you're gonna go looking, iykyk 🔍
• index — the page index. literally just which page you want, bestie 📖

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💖 DESCRIPTION 💖

okay so here's the vibe: ufs_get_locked_folio locates the desired pagecache folio for you, and if it doesn't exist, we'll read it from disk (no cap, it'll go get it 💀). then it locks it, increments its reference count, and returns its address. pin + lock + return, all in one slay ✨

it's giving main character energy: finds the folio, holds onto it, locks the door behind it, and hands you the keys 🔑

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🦋 SEE ALSO 🦋

Kernel file ./fs/ufs/util.c — go read the source, bestie, it's iconic 🧚

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quick vibe check: this page lives in the Kernel API Manual and the source dir is ./fs/ufs. also the fn returns a struct folio *, so don't lose it 🙈

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and that's a wrap, bestie 🎀 this came to you from ./fs/ufs, dated October 2026, page ufs_get_locked_folio(9) — periodt 💅💜