hfs_bmap_clear_bit(9)

💅 hfs_bmap_clear_bit(9) 💅

okay so bestie, this is the hfs_bmap_clear_bit(9) page from the Kernel API Manual — and it's literally about clearing a bit in the b-tree map. main character energy for a tiny bit-flip, no cap ✨

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🌸 NAME 🌸

hfs_bmap_clear_bit — clear a bit in the b-tree map 🧹💫

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✨ SYNOPSIS ✨

int hfs_bmap_clear_bit (struct hfs_bnode *node , u32 node_bit_idx );

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🎀 ARGUMENTS 🎀

• node — the b-tree node containing the map record, bestie 🦋
• node_bit_idx — the relative bit index within the node's map record 👑

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💖 DESCRIPTION 💖

okay so here's the vibe check: it returns 0 on success ✨, returns -EINVAL if the bit is already clear 🙈, or returns a negative error code. that's the whole contract, fr fr 💅

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🔥 SEE ALSO 🔥

• Kernel file ./fs/hfsplus/btree.c — go peek at the source if you're curious 🫶
• hfs_bmap_test_bit(9) — also see this one, iykyk 👀

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mwah 💋 — this cute lil page comes from ./fs/hfsplus, dated October 2026, and it's the hfs_bmap_clear_bit(9) manual entry. periodt 🎀🌈