dbg_check_lpt_nodes(9)

💅 dbg_check_lpt_nodes(9) — bestie edition 💅

okay so this page is from the Kernel API Manual, and the main character is dbg_check_lpt_nodes(9) ✨ it's giving “tiny but important debug helper” energy, and we're gonna get into it 💖

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🌸 NAME 🌸

dbg_check_lpt_nodes — check nnodes and pnodes. periodt 💅

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✨ SYNOPSIS ✨

int dbg_check_lpt_nodes (struct ubifs_info *c , struct ubifs_cnode
       *cnode , int row , int col );

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🎀 ARGUMENTS 🎀

• c — the UBIFS file-system description object 🦋
• cnode — next cnode (nnode or pnode) to check 👀
• row — row of cnode (root is zero) 🫶
• col — column of cnode (leftmost is zero) 🌸

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🦋 DESCRIPTION 🦋

bestie, this is the whole vibe check: this function returns 0 on success and a negative error code on failure. that's literally the description, no cap 😭💖

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🌈 SEE ALSO 🌈

the kernel file is ./fs/ubifs/lpt.c, and these are the sister functions / references, all listed here so you don't miss a single one 👑✨

• do_calc_lpt_geom(9)
• ubifs_calc_lpt_geom(9)
• calc_dflt_lpt_geom(9)
• pack_bits(9)
• ubifs_unpack_bits(9)
• ubifs_pack_pnode(9)
• ubifs_pack_nnode(9)
• ubifs_pack_ltab(9)
• ubifs_pack_lsave(9)
• ubifs_add_lpt_dirt(9)
• set_ltab(9)
• ubifs_add_nnode_dirt(9)
• add_pnode_dirt(9)
• calc_nnode_num(9)
• calc_nnode_num_from_parent(9)
• calc_pnode_num_from_parent(9)
• ubifs_create_dflt_lpt(9)
• update_cats(9)
• replace_cats(9)
• check_lpt_crc(9)
• check_lpt_type(9)
• unpack_pnode(9)
• ubifs_unpack_nnode(9)
• unpack_ltab(9)
• unpack_lsave(9)
• validate_nnode(9)
• validate_pnode(9)
• set_pnode_lnum(9)
• ubifs_read_nnode(9)
• read_pnode(9)
• read_ltab(9)
• read_lsave(9)
• ubifs_get_nnode(9)
• ubifs_get_pnode(9)
• ubifs_pnode_lookup(9)
• ubifs_lpt_lookup(9)
• dirty_cow_nnode(9)
• dirty_cow_pnode(9)
• ubifs_lpt_lookup_dirty(9)
• ubifs_lpt_calc_hash(9)
• lpt_check_hash(9)
• lpt_init_rd(9)
• lpt_init_wr(9)
• ubifs_lpt_init(9)
• struct lpt_scan_node(9)
• scan_get_nnode(9)
• scan_get_pnode(9)
• ubifs_lpt_scan_nolock(9)
• dbg_chk_pnode(9)

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mwah 💋 this lil page comes from the ./fs/ubifs source/version, dated October 2026, and it's all about dbg_check_lpt_nodes(9) — bye bestie, go check those nodes 🫶💖