ubifs_scan_a_node(9)

💅 ubifs_scan_a_node — a Kernel API Manual moment

okay bestie, welcome to ubifs_scan_a_node, straight out of the Kernel API Manual (section 9, iykyk). this is the little function that peeks at stuff inside a UBIFS eraseblock and tells you what it found 👀 — node? padding? corruption? stay tuned fr fr.

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✨ NAME ✨

ubifs_scan_a_node — scan for a node or padding 🎀

like, that's it. that's the whole job. it scans. it finds a node or padding. iconic behaviour honestly.

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🦋 SYNOPSIS 🦋

int ubifs_scan_a_node (const struct ubifs_info *c , void *buf , int len
, int lnum , int offs , int quiet );

look at that signature. six arguments. she's thorough 💅

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🌸 ARGUMENTS 🌸

• c — the UBIFS file-system description object 🗂️ your whole filesystem, basically, in struct form.
• buf — the buffer to scan 🔍 this is what we're snooping through.
• len — length of buffer 📏 how much of it we get to look at.
• lnum — logical eraseblock number 🔢 which LEB we're in, bestie.
• offs — offset within the logical eraseblock 📍 exactly where inside that LEB we're standing.
• quiet — print no messages 🤫 set this and the function keeps it cute and silent. no commentary. no drama.

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💖 DESCRIPTION 💖

so this function returns a scanning code to indicate what was scanned ✨

that's the vibe. you hand it the where (logical eraseblock number + offset), the what (buffer + length), and the whole filesystem context, and it hands you back a code that tells you what it ran into — a node or padding. no cap, that's the entire description in the original and we're not out here inventing extra lore. 🙈

lowkey important: the return value is a scanning code, so the meaning lives in the code, not in some paragraph here. check the source if you need the specifics 💜

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👑 SEE ALSO 👑

• Kernel file ./fs/ubifs/scan.c — the actual home turf of this function 🏠
• scan_padding_bytes(9)
• ubifs_start_scan(9)
• ubifs_end_scan(9)
• ubifs_add_snod(9)
• ubifs_scanned_corruption(9)
• ubifs_scan(9)
• ubifs_scan_destroy(9)

the whole scan squad, together, as they should be 🫶

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and that's the page!! this one's from ./fs/ubifs, dated October 2026, and it's the ubifs_scan_a_node(9) page — go scan something, bestie, you're gonna slay 🔥🧚⭐