enter_forked_lock(9)
π
enter_forked_lock(9) β the enter_forked_lock(9) glow-up π¦
okay so bestie, buckle up β¨ this page lives in the Kernel API Manual and it's literally about handing a data_vio a brand-new hash lock like it's a fresh fit. no cap. π
πΈ NAME πΈ
enter_forked_lock β bind the data_vio to a new hash lock π
β¨ SYNOPSIS β¨
void enter_forked_lock (struct vdo_waiter *waiter , void *context );
π«Ά ARGUMENTS π«Ά
waiterβ thedata_vio's waiter link, iykyk π§contextβ the new hash lock, aka the main character π
π¦ DESCRIPTION π¦
so this one implements waiter_callback_fn β very demure, very mindful π. what it does is: it binds the data_vio that was waiting to a new hash lock, and then it waits on that lock. that's the whole vibe. lowkey iconic, highkey essential π
π SEE ALSO π
like, go read the whole friend group bestie π β and also the source file ./drivers/md/dm-vdo/dedupe.c π
Introduction(9)return_hash_lock_to_pool(9)vdo_get_duplicate_lock(9)hash_lock_key(9)get_hash_lock_state_name(9)assert_hash_lock_agent(9)set_duplicate_lock(9)dequeue_lock_waiter(9)set_hash_lock(9)exit_hash_lock(9)set_duplicate_location(9)retire_lock_agent(9)wait_on_hash_lock(9)abort_waiter(9)start_bypassing(9)finish_unlocking(9)unlock_duplicate_pbn(9)start_unlocking(9)finish_updating(9)start_updating(9)finish_deduping(9)acquire_lock(9)fork_hash_lock(9)launch_dedupe(9)start_deduping(9)increment_stat(9)finish_verifying(9)start_verifying(9)finish_locking(9)lock_duplicate_pbn(9)start_locking(9)finish_writing(9)select_writing_agent(9)start_writing(9)finish_querying(9)start_querying(9)report_bogus_lock_state(9)vdo_continue_hash_lock(9)is_hash_collision(9)vdo_acquire_hash_lock(9)vdo_release_hash_lock(9)transfer_allocation_lock(9)vdo_share_compressed_write_lock(9)report_dedupe_timeouts(9)finish_index_operation(9)check_for_drain_complete(9)vdo_make_hash_zones(9)vdo_free_hash_zones(9)suspend_index(9)resume_index(9)vdo_resume_hash_zones(9)get_hash_zone_statistics(9)vdo_get_dedupe_statistics(9)vdo_select_hash_zone(9)dump_hash_lock(9)dump_hash_zone(9)vdo_dump_hash_zones(9)acquire_context(9)
bestie reminder: this list is long long, so maybe open it in a pager before your eyes glaze over π less is your friend fr fr π
okay that's the page!! it's from ./drivers/md/dm-vdo and it's dated October 2026, so likeβ¦ future girl summer β slay, go read the rest of the kernel docs, mwah ππ§ββοΈπΈ
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms