file_to_blk_mode(9)

💅 file_to_blk_mode(9) — like, the actual manual page, bestie

okay so this is a page from the Kernel API Manual and honestly it's a little gem — it's all about turning file flags into block flags. slay. let's get into it 🎀

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✨ NAME ✨

file_to_blk_mode — get block open flags from file flags 🦋

like, the whole point is converting one kinda flag into the other kinda flag. no cap.

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🌸 SYNOPSIS 🌸

blk_mode_t file_to_blk_mode (struct file *file );

yes bestie, that's the exact signature, don't @ me 💅

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🫶 ARGUMENTS 🫶

• file — the file whose open flags should be converted 🌈 like, hand me the file, I'll hand you back the block flags, that's the whole vibe.

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💖 DESCRIPTION 💖

so here's the tea: this function looks at the file open flags and generates the corresponding block open flags from them. it's giving translator energy fr fr 🧚

and it's lowkey flexible — it works both for a file that's just being opened (think: during the ->open callback) and for a file that's already open. main character energy, honestly 👑

⚠️ hot take incoming: this is actually non-trivial (see the comment in the function). like, do not assume it's a one-liner situation, because it is not. the code comments know things. respect them 😭

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⭐ SEE ALSO ⭐

• Kernel file ./block/fops.c — go read it, iykyk 📖✨

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🎀 sign-off 🎀

and that's the page, bestie!! brought to you by the fine folks in ./block, dated October 2026 — literally iconic, no notes 💜🦋🌸

periodt. 💅