upd_ltab(9)

💅 NAME 💅

okay so bestie, welcome to upd_ltab(9) from the Kernel API Manual — yes, we are in kernel-core low-level territory and it is genuinely iconic. The name says it all: upd_ltab — update LPT LEB properties. periodt. 💖

✨ SYNOPSIS ✨

void upd_ltab (struct ubifs_info *c , int lnum , int free , int dirty );

🎀 ARGUMENTS 🎀

• c — UBIFS file-system description object. the main character struct, fr fr.
• lnum — LEB number. yes bestie, the actual LEB number.
• free — amount of free space. that's the free-space amount, no cap.
• dirty — amount of dirty space to add. the dirty-space amount you're adding in.

🔥 SEE ALSO 🔥

Kernel file ./fs/ubifs/lpt_commit.c is right there in the mix, and the whole reference squad is:

• first_dirty_cnode(9)
• next_dirty_cnode(9)
• get_cnodes_to_commit(9)
• alloc_lpt_leb(9)
• layout_cnodes(9)
• realloc_lpt_leb(9)
• write_cnodes(9)
• next_pnode_to_dirty(9)
• add_pnode_dirt(9)
• do_make_pnode_dirty(9)
• make_tree_dirty(9)
• need_write_all(9)
• lpt_tgc_start(9)
• lpt_tgc_end(9)
• populate_lsave(9)
• nnode_lookup(9)
• make_nnode_dirty(9)
• make_pnode_dirty(9)
• make_ltab_dirty(9)
• make_lsave_dirty(9)
• make_node_dirty(9)
• get_lpt_node_len(9)
• get_pad_len(9)
• get_lpt_node_type(9)
• is_a_node(9)
• lpt_gc_lnum(9)
• lpt_gc(9)
• ubifs_lpt_start_commit(9)
• free_obsolete_cnodes(9)
• ubifs_lpt_end_commit(9)
• ubifs_lpt_post_commit(9)
• first_nnode(9)
• next_nnode(9)
• ubifs_lpt_free(9)
• dbg_is_all_ff(9)
• dbg_is_nnode_dirty(9)
• dbg_is_pnode_dirty(9)
• dbg_is_ltab_dirty(9)
• dbg_is_lsave_dirty(9)
• dbg_is_node_dirty(9)
• dbg_check_ltab_lnum(9)
• dbg_check_ltab(9)
• dbg_chk_lpt_free_spc(9)
• dbg_chk_lpt_sz(9)
• dump_lpt_leb(9)
• ubifs_dump_lpt_lebs(9)
• dbg_populate_lsave(9)

mwah 💋 — source/version is ./fs/ubifs, date is October 2026, and the page is upd_ltab(9). bye bestie! 🫶