read_pnode(9)

💖 read_pnode(9) 💖

okay so bestie, welcome to the Kernel API Manual — this one is all about read_pnode, and it's giving "tiny flash-to-memory link-up moment" ✨ no cap. We're keeping every detail, every arg, every SEE ALSO, periodt.

✨ NAME ✨

read_pnode — read a pnode from flash and link it to the tree in memory. 🦋

🌸 SYNOPSIS 🌸

int read_pnode (struct ubifs_info *c , struct ubifs_nnode *parent , int
       iip );

🎀 ARGUMENTS 🎀

• c — the UBIFS file-system description object. literally the fs description bestie 💅
• parent — parent nnode. the parent nnode, iykyk.
• iip — index in parent. that's the index in parent. ✨

💜 DESCRIPTION 💜

okay so here's the vibe: this function returns 0 on success, and on failure it returns a negative error code. that's the whole return-value story, fr fr. 😭💖

🔥 SEE ALSO 🔥

Kernel file ./fs/ubifs/lpt.c, plus these icons — all of them, no skipping, bestie:

• 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_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)
• dbg_check_lpt_nodes(9)

mwah 💋 this page is from source ./fs/ubifs, dated October 2026, and it's the read_pnode(9) manual — slay and goodbye 🫶