need_write_all(9)

💖 NAME 💖

okay so bestie, this is the Kernel API Manual page for need_write_all(9), and the function is literally need_write_all — determine if the LPT area is running out of free space. no cap, that's the whole name vibe. 👑

✨ SYNOPSIS ✨

the signature is giving:

int need_write_all (struct ubifs_info *c );

yes, the space before ) is staying exactly like that. we respect the source. 💅

🎀 ARGUMENTS 🎀

• c — the UBIFS file-system description object. that's the one and only argument, bestie. 🫶

🦋 DESCRIPTION 🦋

okay so need_write_all() is the vibe check for LPT free space: it returns 1 if the LPT area is running out of free space, and 0 if it is not. periodt. that's it, that's the function. ✨

🌸 SEE ALSO 🌸

Kernel file: ./fs/ubifs/lpt_commit.c, and the whole squad is right here — iykyk:

• first_dirty_cnode(9)
• next_dirty_cnode(9)
• get_cnodes_to_commit(9)
• upd_ltab(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)
• 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 💋 sign-off: source/version is ./fs/ubifs, the date is October 2026, and the page is need_write_all(9). 🎀💖