unpack_ltab(9)

💅 unpack_ltab(9) 💅

okay bestie, welcome to the Kernel API Manual corner where today’s main character is unpack_ltab. this function’s whole personality is “unpack the LPT's own lprops table.” no cap. 🫶

🌸 NAME 🌸

unpack_ltab — unpack the LPT's own lprops table.

✨ SYNOPSIS ✨

int unpack_ltab (const struct ubifs_info *c , void *buf );

🎀 ARGUMENTS 🎀

• c — UBIFS file-system description object. literally the UBIFS file-system description object, she’s carrying the context. 💖
• buf — buffer from which to unpack. the buffer we’re unpacking from, periodt. ✨

🦋 DESCRIPTION 🦋

okay so here’s the whole return-value vibe: this function returns 0 on success and a negative error code on failure. that’s it, that’s the description, and honestly? iconic. 💅

💖 SEE ALSO 💖

the extended LPT cinematic universe is huge, so grab a snack and go read these too:

• Kernel file ./fs/ubifs/lpt.c — 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_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)
• dbg_check_lpt_nodes(9)

that’s the whole page, bestie. source/version tag is ./fs/ubifs, dated October 2026 — slay, go unpack responsibly. 🎀✨