rs_insert(9)

💅 rs_insert(9) 💅

okay bestie, welcome to the Kernel API Manual — this page is all about rs_insert, and it's short, sweet, and very “small function, big tree energy” ✨ No cap, the whole job is literally: insert a new multi-block reservation into the rgrp's rb_tree. That's the plot. That's the moment. Periodt 💖

🌸 NAME 🌸

rs_insert — insert a new multi-block reservation into the rgrp's rb_tree 🎀

✨ SYNOPSIS ✨

void rs_insert (struct gfs2_inode *ip );

the signature is giving “takes a pointer and returns void” — iconic, minimal, no extra drama 💅

🎀 ARGUMENTS 🎀

• ip — the inode structure 🦋 that's the one arg, bestie; hand over the inode structure and you're done.

🦋 SEE ALSO 🦋

first up, the Kernel file is ./fs/gfs2/rgrp.c — go look at the source, iykyk 👑

and then the whole reference squad, all of it, no skips:

• gfs2_setbit(9)
• gfs2_testbit(9)
• gfs2_bit_search(9)
• rs_cmp(9)
• gfs2_bitfit(9)
• gfs2_rbm_from_block(9)
• gfs2_rbm_add(9)
• gfs2_unaligned_extlen(9)
• gfs2_free_extlen(9)
• gfs2_bitcount(9)
• gfs2_rgrp_verify(9)
• gfs2_blk2rgrpd(9)
• gfs2_rgrpd_get_first(9)
• gfs2_rgrpd_get_next(9)
• __rs_deltree(9)
• gfs2_rs_deltree(9)
• gfs2_rs_delete(9)
• return_all_reservations(9)
• compute_bitstructs(9)
• gfs2_ri_total(9)
• read_rindex_entry(9)
• set_rgrp_preferences(9)
• gfs2_ri_update(9)
• gfs2_rindex_update(9)
• gfs2_rgrp_go_instantiate(9)
• gfs2_rgrp_brelse(9)
• gfs2_fitrim(9)
• rgd_free(9)
• rg_mblk_search(9)
• gfs2_next_unreserved_block(9)
• gfs2_reservation_check_and_update(9)
• gfs2_rbm_find(9)
• try_rgrp_unlink(9)
• gfs2_rgrp_congested(9)
• gfs2_rgrp_used_recently(9)
• fast_to_acquire(9)
• gfs2_inplace_reserve(9)
• gfs2_inplace_release(9)
• gfs2_alloc_extent(9)
• rgblk_free(9)
• gfs2_rgrp_dump(9)
• gfs2_adjust_reservation(9)
• gfs2_set_alloc_start(9)
• gfs2_alloc_blocks(9)
• __gfs2_free_blocks(9)
• gfs2_free_meta(9)
• gfs2_check_blk_type(9)
• gfs2_rlist_add(9)
• gfs2_rlist_alloc(9)
• gfs2_rlist_free(9)

mwah 💋 — source/version: ./fs/gfs2; date: October 2026 — cute footer sign-off complete, bestie 🫶