pop_free_list(9)

✨ pop_free_list(9) ✨

okay so bestie, welcome to the Kernel API Manual 💖 this one is all about pop_free_list and it lives in pop_free_list(9) — we're getting a block from the end of the free list, no cap. let's get into it 🎀

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🌸 NAME 🌸

pop_free_list — grab a block from the end of the free list, periodt 💅

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🦋 SYNOPSIS 🦋

struct recovery_journal_block * pop_free_list (struct recovery_journal
*journal );

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🎀 ARGUMENTS 🎀

• journal — the journal itself, that's the whole vibe 🫶

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⭐ RETURN ⭐

you get the block back, or NULL if the list is empty — like, empty empty, nothing to pop 😭

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🌈 SEE ALSO 🌈

okay this list is iconic and long, so buckle up bestie, every single one is here:

• Kernel file ./drivers/md/dm-vdo/recovery-journal.c Lock Counters.(9)
• get_zone_count_ptr(9)
• get_counter(9)
• is_journal_zone_locked(9)
• vdo_release_recovery_journal_block_reference(9)
• is_block_dirty(9)
• is_block_empty(9)
• is_block_full(9)
• assert_on_journal_thread(9)
• continue_waiter(9)
• has_block_waiters(9)
• suspend_lock_counter(9)
• check_for_drain_complete(9)
• notify_recovery_journal_of_read_only_mode(9)
• enter_journal_read_only_mode(9)
• vdo_get_recovery_journal_current_sequence_number(9)
• get_recovery_journal_head(9)
• compute_recovery_count_byte(9)
• check_slab_journal_commit_threshold(9)
• finish_reaping(9)
• complete_reaping(9)
• handle_flush_error(9)
• initialize_journal_state(9)
• vdo_get_recovery_journal_length(9)
• reap_recovery_journal_callback(9)
• initialize_lock_counter(9)
• set_journal_tail(9)
• initialize_recovery_block(9)
• vdo_decode_recovery_journal(9)
• vdo_free_recovery_journal(9)
• vdo_initialize_recovery_journal_post_repair(9)
• vdo_get_journal_block_map_data_blocks_used(9)
• vdo_get_recovery_journal_thread_id(9)
• vdo_open_recovery_journal(9)
• vdo_record_recovery_journal(9)
• get_block_header(9)
• set_active_sector(9)
• advance_tail(9)
• initialize_lock_count(9)
• prepare_to_assign_entry(9)
• schedule_block_write(9)
• release_journal_block_reference(9)
• assign_entry(9)
• recycle_journal_block(9)
• continue_committed_waiter(9)
• notify_commit_waiters(9)
• recycle_journal_blocks(9)
• complete_write(9)
• add_queued_recovery_entries(9)
• write_block(9)
• write_blocks(9)
• vdo_add_recovery_journal_entry(9)
• is_lock_locked(9)
• reap_recovery_journal(9)
• vdo_acquire_recovery_journal_block_reference(9)
• vdo_release_journal_entry_lock(9)
• vdo_drain_recovery_journal(9)
• resume_lock_counter(9)
• vdo_resume_recovery_journal(9)
• vdo_get_recovery_journal_logical_blocks_used(9)
• vdo_get_recovery_journal_statistics(9)
• dump_recovery_block(9)
• vdo_dump_recovery_journal_statistics(9)

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ngl bestie, that SEE ALSO section is giving main character energy — it's like the whole recovery journal friend group showed up 💀✨

and that's the whole page! shoutout to ./drivers/md/dm-vdo from October 2026, and to pop_free_list(9) herself — she's lowkey iconic, fr fr 🦋💜